./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product32.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 ee2b8c4c449b1e8aa7dd92109d118d4c0b36a93d6052f04f0a75223fa59783b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:53:06,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:53:06,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:53:06,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:53:06,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:53:06,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:53:06,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:53:06,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:53:06,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:53:06,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:53:06,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:53:06,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:53:06,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:53:06,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:53:06,165 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:53:06,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:53:06,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:53:06,166 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:53:06,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:53:06,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:53:06,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:53:06,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:53:06,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:53:06,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:53:06,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:53:06,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:53:06,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:53:06,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:53:06,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:53:06,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:53:06,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:53:06,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:53:06,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:53:06,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:53:06,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:53:06,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:53:06,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:53:06,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:53:06,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:53:06,172 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:53:06,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:53:06,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:53:06,173 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee2b8c4c449b1e8aa7dd92109d118d4c0b36a93d6052f04f0a75223fa59783b7 [2024-10-11 02:53:06,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:53:06,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:53:06,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:53:06,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:53:06,423 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:53:06,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product32.cil.c [2024-10-11 02:53:07,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:53:07,821 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:53:07,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product32.cil.c [2024-10-11 02:53:07,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1189c28bb/71afec654535436f80827a0f47f1c6df/FLAG33a09d7e2 [2024-10-11 02:53:08,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1189c28bb/71afec654535436f80827a0f47f1c6df [2024-10-11 02:53:08,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:53:08,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:53:08,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:53:08,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:53:08,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:53:08,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c751e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08, skipping insertion in model container [2024-10-11 02:53:08,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:53:08,407 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product32.cil.c[6103,6116] [2024-10-11 02:53:08,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:53:08,607 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:53:08,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-10-11 02:53:08,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [208] [2024-10-11 02:53:08,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [225] [2024-10-11 02:53:08,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [263] [2024-10-11 02:53:08,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [272] [2024-10-11 02:53:08,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [690] [2024-10-11 02:53:08,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [708] [2024-10-11 02:53:08,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1105] [2024-10-11 02:53:08,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1471] [2024-10-11 02:53:08,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1700] [2024-10-11 02:53:08,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2772] [2024-10-11 02:53:08,629 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product32.cil.c[6103,6116] [2024-10-11 02:53:08,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:53:08,733 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:53:08,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08 WrapperNode [2024-10-11 02:53:08,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:53:08,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:53:08,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:53:08,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:53:08,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,814 INFO L138 Inliner]: procedures = 134, calls = 218, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 974 [2024-10-11 02:53:08,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:53:08,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:53:08,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:53:08,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:53:08,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,859 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-11 02:53:08,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:53:08,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:53:08,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:53:08,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:53:08,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (1/1) ... [2024-10-11 02:53:08,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:53:08,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:08,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:53:08,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:53:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-11 02:53:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-11 02:53:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-11 02:53:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-11 02:53:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-11 02:53:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-11 02:53:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-11 02:53:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-11 02:53:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-11 02:53:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-11 02:53:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-11 02:53:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-11 02:53:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-11 02:53:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-11 02:53:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-11 02:53:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-11 02:53:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-11 02:53:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-11 02:53:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-11 02:53:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-11 02:53:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-11 02:53:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-11 02:53:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-11 02:53:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-11 02:53:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-11 02:53:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-11 02:53:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-11 02:53:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-11 02:53:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-11 02:53:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-11 02:53:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:53:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-11 02:53:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-11 02:53:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-11 02:53:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-11 02:53:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-11 02:53:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-11 02:53:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-11 02:53:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-11 02:53:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-11 02:53:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-11 02:53:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-11 02:53:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-11 02:53:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-11 02:53:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-11 02:53:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-11 02:53:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-11 02:53:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-11 02:53:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-11 02:53:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-11 02:53:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-11 02:53:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-11 02:53:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-11 02:53:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:53:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 02:53:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 02:53:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 02:53:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-11 02:53:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-11 02:53:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-11 02:53:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-11 02:53:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:53:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:53:09,241 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:53:09,243 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:53:09,960 INFO L? ?]: Removed 533 outVars from TransFormulas that were not future-live. [2024-10-11 02:53:09,960 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:53:10,010 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:53:10,011 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 02:53:10,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:53:10 BoogieIcfgContainer [2024-10-11 02:53:10,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:53:10,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:53:10,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:53:10,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:53:10,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:53:08" (1/3) ... [2024-10-11 02:53:10,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fa9955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:53:10, skipping insertion in model container [2024-10-11 02:53:10,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:08" (2/3) ... [2024-10-11 02:53:10,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fa9955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:53:10, skipping insertion in model container [2024-10-11 02:53:10,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:53:10" (3/3) ... [2024-10-11 02:53:10,020 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product32.cil.c [2024-10-11 02:53:10,036 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:53:10,036 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:53:10,088 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:53:10,094 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;@33a9937d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:53:10,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:53:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 394 states, 300 states have (on average 1.6033333333333333) internal successors, (481), 305 states have internal predecessors, (481), 64 states have call successors, (64), 28 states have call predecessors, (64), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-11 02:53:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 02:53:10,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:10,117 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:10,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:10,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:10,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1770191300, now seen corresponding path program 1 times [2024-10-11 02:53:10,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:10,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456587614] [2024-10-11 02:53:10,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:10,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:53:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:53:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:53:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 02:53:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 02:53:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:53:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:53:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:53:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:53:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:53:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:53:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:53:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:53:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:53:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:53:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 02:53:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:10,854 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-11 02:53:10,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:10,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456587614] [2024-10-11 02:53:10,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456587614] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:10,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506834426] [2024-10-11 02:53:10,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:10,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:10,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:10,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:10,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:53:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 02:53:11,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 02:53:11,179 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:11,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506834426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:11,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:11,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-11 02:53:11,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380565562] [2024-10-11 02:53:11,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:11,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:53:11,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:11,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:53:11,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:53:11,209 INFO L87 Difference]: Start difference. First operand has 394 states, 300 states have (on average 1.6033333333333333) internal successors, (481), 305 states have internal predecessors, (481), 64 states have call successors, (64), 28 states have call predecessors, (64), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:11,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:11,291 INFO L93 Difference]: Finished difference Result 604 states and 917 transitions. [2024-10-11 02:53:11,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:53:11,294 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2024-10-11 02:53:11,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:11,321 INFO L225 Difference]: With dead ends: 604 [2024-10-11 02:53:11,321 INFO L226 Difference]: Without dead ends: 391 [2024-10-11 02:53:11,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:53:11,331 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:11,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:53:11,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-10-11 02:53:11,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2024-10-11 02:53:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 298 states have (on average 1.5906040268456376) internal successors, (474), 302 states have internal predecessors, (474), 64 states have call successors, (64), 28 states have call predecessors, (64), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 02:53:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 601 transitions. [2024-10-11 02:53:11,401 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 601 transitions. Word has length 141 [2024-10-11 02:53:11,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:11,402 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 601 transitions. [2024-10-11 02:53:11,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 601 transitions. [2024-10-11 02:53:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 02:53:11,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:11,410 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:11,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 02:53:11,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 02:53:11,611 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:11,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:11,611 INFO L85 PathProgramCache]: Analyzing trace with hash 469785294, now seen corresponding path program 1 times [2024-10-11 02:53:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:11,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605523664] [2024-10-11 02:53:11,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:11,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:53:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:53:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:53:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 02:53:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:53:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:53:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:53:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:53:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:53:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:53:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:53:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:53:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:53:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:53:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:53:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:53:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-11 02:53:11,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:11,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605523664] [2024-10-11 02:53:11,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605523664] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:11,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140544642] [2024-10-11 02:53:11,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:11,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:11,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:11,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:11,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:53:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 02:53:12,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 02:53:12,178 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:12,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140544642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:12,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:12,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:53:12,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962901132] [2024-10-11 02:53:12,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:12,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:53:12,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:12,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:53:12,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:53:12,180 INFO L87 Difference]: Start difference. First operand 391 states and 601 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:12,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:12,244 INFO L93 Difference]: Finished difference Result 600 states and 901 transitions. [2024-10-11 02:53:12,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:53:12,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2024-10-11 02:53:12,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:12,250 INFO L225 Difference]: With dead ends: 600 [2024-10-11 02:53:12,250 INFO L226 Difference]: Without dead ends: 393 [2024-10-11 02:53:12,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:53:12,257 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 0 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:12,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1173 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:53:12,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-10-11 02:53:12,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-10-11 02:53:12,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 300 states have (on average 1.5866666666666667) internal successors, (476), 304 states have internal predecessors, (476), 64 states have call successors, (64), 28 states have call predecessors, (64), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 02:53:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 603 transitions. [2024-10-11 02:53:12,289 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 603 transitions. Word has length 142 [2024-10-11 02:53:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:12,289 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 603 transitions. [2024-10-11 02:53:12,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 603 transitions. [2024-10-11 02:53:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 02:53:12,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:12,293 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:12,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 02:53:12,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:12,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:12,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:12,495 INFO L85 PathProgramCache]: Analyzing trace with hash -187062212, now seen corresponding path program 1 times [2024-10-11 02:53:12,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:12,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316132815] [2024-10-11 02:53:12,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:12,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:53:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:53:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:53:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 02:53:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:53:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:53:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:53:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:53:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:53:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:53:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:53:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:53:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 02:53:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 02:53:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 02:53:12,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:12,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316132815] [2024-10-11 02:53:12,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316132815] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:12,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020582756] [2024-10-11 02:53:12,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:12,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:12,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:12,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:12,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 02:53:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:12,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:53:13,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 02:53:13,024 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:13,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020582756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:13,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:13,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:53:13,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860729960] [2024-10-11 02:53:13,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:13,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:53:13,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:13,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:53:13,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:53:13,026 INFO L87 Difference]: Start difference. First operand 393 states and 603 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:13,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:13,080 INFO L93 Difference]: Finished difference Result 834 states and 1298 transitions. [2024-10-11 02:53:13,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:53:13,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2024-10-11 02:53:13,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:13,085 INFO L225 Difference]: With dead ends: 834 [2024-10-11 02:53:13,085 INFO L226 Difference]: Without dead ends: 463 [2024-10-11 02:53:13,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:53:13,089 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 129 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:13,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1136 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:53:13,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-11 02:53:13,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 458. [2024-10-11 02:53:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 351 states have (on average 1.603988603988604) internal successors, (563), 355 states have internal predecessors, (563), 78 states have call successors, (78), 28 states have call predecessors, (78), 28 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-10-11 02:53:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 718 transitions. [2024-10-11 02:53:13,107 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 718 transitions. Word has length 149 [2024-10-11 02:53:13,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:13,107 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 718 transitions. [2024-10-11 02:53:13,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 718 transitions. [2024-10-11 02:53:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 02:53:13,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:13,110 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:13,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 02:53:13,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:13,311 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:13,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:13,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1166853141, now seen corresponding path program 1 times [2024-10-11 02:53:13,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:13,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25550176] [2024-10-11 02:53:13,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:13,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:53:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:53:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:53:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 02:53:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:53:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:53:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:53:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:53:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:53:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:53:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:53:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:53:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 02:53:13,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:13,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25550176] [2024-10-11 02:53:13,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25550176] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:13,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523901473] [2024-10-11 02:53:13,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:13,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:13,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:13,528 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:13,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 02:53:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:13,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 02:53:13,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 02:53:13,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:13,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523901473] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:13,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:13,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 02:53:13,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079109502] [2024-10-11 02:53:13,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:13,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:53:13,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:13,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:53:13,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:53:13,833 INFO L87 Difference]: Start difference. First operand 458 states and 718 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:13,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:13,919 INFO L93 Difference]: Finished difference Result 911 states and 1430 transitions. [2024-10-11 02:53:13,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:53:13,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 132 [2024-10-11 02:53:13,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:13,922 INFO L225 Difference]: With dead ends: 911 [2024-10-11 02:53:13,922 INFO L226 Difference]: Without dead ends: 460 [2024-10-11 02:53:13,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:53:13,928 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 2 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:13,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2305 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:53:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-11 02:53:13,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2024-10-11 02:53:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 352 states have (on average 1.6022727272727273) internal successors, (564), 357 states have internal predecessors, (564), 78 states have call successors, (78), 28 states have call predecessors, (78), 29 states have return successors, (79), 76 states have call predecessors, (79), 77 states have call successors, (79) [2024-10-11 02:53:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 721 transitions. [2024-10-11 02:53:13,942 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 721 transitions. Word has length 132 [2024-10-11 02:53:13,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:13,942 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 721 transitions. [2024-10-11 02:53:13,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:13,943 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 721 transitions. [2024-10-11 02:53:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 02:53:13,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:13,945 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:13,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 02:53:14,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:14,146 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:14,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:14,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1446198041, now seen corresponding path program 1 times [2024-10-11 02:53:14,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:14,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574840564] [2024-10-11 02:53:14,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:14,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 02:53:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 02:53:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 02:53:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:53:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:53:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:53:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:53:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:53:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:53:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:53:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:53:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:53:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 02:53:14,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:14,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574840564] [2024-10-11 02:53:14,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574840564] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:14,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265078258] [2024-10-11 02:53:14,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:14,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:14,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:14,361 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:14,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 02:53:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:14,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 02:53:14,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 02:53:14,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:14,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265078258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:14,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:14,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 02:53:14,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379931370] [2024-10-11 02:53:14,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:14,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:53:14,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:14,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:53:14,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:53:14,649 INFO L87 Difference]: Start difference. First operand 460 states and 721 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:14,736 INFO L93 Difference]: Finished difference Result 913 states and 1435 transitions. [2024-10-11 02:53:14,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:53:14,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2024-10-11 02:53:14,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:14,739 INFO L225 Difference]: With dead ends: 913 [2024-10-11 02:53:14,739 INFO L226 Difference]: Without dead ends: 462 [2024-10-11 02:53:14,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:53:14,741 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 2 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:14,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2291 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:53:14,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-10-11 02:53:14,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-10-11 02:53:14,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 353 states have (on average 1.6005665722379603) internal successors, (565), 359 states have internal predecessors, (565), 78 states have call successors, (78), 28 states have call predecessors, (78), 30 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2024-10-11 02:53:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 727 transitions. [2024-10-11 02:53:14,758 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 727 transitions. Word has length 133 [2024-10-11 02:53:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:14,758 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 727 transitions. [2024-10-11 02:53:14,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 727 transitions. [2024-10-11 02:53:14,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 02:53:14,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:14,761 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:14,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 02:53:14,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:14,962 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:14,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:14,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1507474557, now seen corresponding path program 1 times [2024-10-11 02:53:14,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:14,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128792118] [2024-10-11 02:53:14,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:14,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 02:53:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:53:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 02:53:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:53:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:53:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:53:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:53:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:53:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:53:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:53:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:53:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:53:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:53:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 02:53:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 02:53:15,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:15,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128792118] [2024-10-11 02:53:15,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128792118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:15,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:15,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:53:15,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345106914] [2024-10-11 02:53:15,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:15,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:53:15,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:15,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:53:15,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:53:15,166 INFO L87 Difference]: Start difference. First operand 462 states and 727 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 02:53:16,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:16,904 INFO L93 Difference]: Finished difference Result 1007 states and 1617 transitions. [2024-10-11 02:53:16,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:53:16,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 152 [2024-10-11 02:53:16,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:16,908 INFO L225 Difference]: With dead ends: 1007 [2024-10-11 02:53:16,908 INFO L226 Difference]: Without dead ends: 564 [2024-10-11 02:53:16,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:53:16,910 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1396 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 2992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:16,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 1197 Invalid, 2992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 02:53:16,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-10-11 02:53:16,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 462. [2024-10-11 02:53:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 353 states have (on average 1.6005665722379603) internal successors, (565), 359 states have internal predecessors, (565), 78 states have call successors, (78), 28 states have call predecessors, (78), 30 states have return successors, (83), 76 states have call predecessors, (83), 77 states have call successors, (83) [2024-10-11 02:53:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 726 transitions. [2024-10-11 02:53:16,945 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 726 transitions. Word has length 152 [2024-10-11 02:53:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:16,946 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 726 transitions. [2024-10-11 02:53:16,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 02:53:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 726 transitions. [2024-10-11 02:53:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 02:53:16,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:16,949 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:16,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:53:16,949 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:16,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:16,949 INFO L85 PathProgramCache]: Analyzing trace with hash -679527098, now seen corresponding path program 1 times [2024-10-11 02:53:16,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:16,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028860565] [2024-10-11 02:53:16,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:16,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 02:53:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:53:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:53:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:53:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:53:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:53:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:53:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:53:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:53:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:53:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:53:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 02:53:17,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:17,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028860565] [2024-10-11 02:53:17,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028860565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:17,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:17,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:53:17,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449537126] [2024-10-11 02:53:17,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:17,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:53:17,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:17,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:53:17,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:53:17,161 INFO L87 Difference]: Start difference. First operand 462 states and 726 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:18,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:18,779 INFO L93 Difference]: Finished difference Result 1009 states and 1620 transitions. [2024-10-11 02:53:18,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:53:18,780 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 135 [2024-10-11 02:53:18,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:18,783 INFO L225 Difference]: With dead ends: 1009 [2024-10-11 02:53:18,783 INFO L226 Difference]: Without dead ends: 566 [2024-10-11 02:53:18,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:53:18,785 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1430 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:18,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 1196 Invalid, 2895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:53:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-10-11 02:53:18,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 464. [2024-10-11 02:53:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 354 states have (on average 1.5988700564971752) internal successors, (566), 361 states have internal predecessors, (566), 78 states have call successors, (78), 28 states have call predecessors, (78), 31 states have return successors, (85), 76 states have call predecessors, (85), 77 states have call successors, (85) [2024-10-11 02:53:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 729 transitions. [2024-10-11 02:53:18,811 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 729 transitions. Word has length 135 [2024-10-11 02:53:18,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:18,811 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 729 transitions. [2024-10-11 02:53:18,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 729 transitions. [2024-10-11 02:53:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-11 02:53:18,813 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:18,813 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:18,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:53:18,814 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:18,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:18,814 INFO L85 PathProgramCache]: Analyzing trace with hash -820296005, now seen corresponding path program 1 times [2024-10-11 02:53:18,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:18,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621196787] [2024-10-11 02:53:18,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:18,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:53:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:53:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:53:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:53:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:53:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:53:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:53:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:53:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:53:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:19,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:53:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:19,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 02:53:19,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:19,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621196787] [2024-10-11 02:53:19,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621196787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:19,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:19,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:53:19,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157140250] [2024-10-11 02:53:19,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:19,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:53:19,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:19,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:53:19,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:53:19,005 INFO L87 Difference]: Start difference. First operand 464 states and 729 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-11 02:53:21,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:21,111 INFO L93 Difference]: Finished difference Result 1007 states and 1615 transitions. [2024-10-11 02:53:21,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:53:21,112 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 136 [2024-10-11 02:53:21,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:21,116 INFO L225 Difference]: With dead ends: 1007 [2024-10-11 02:53:21,117 INFO L226 Difference]: Without dead ends: 566 [2024-10-11 02:53:21,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:53:21,120 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1377 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4164 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 4661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 4164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:21,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 1662 Invalid, 4661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 4164 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 02:53:21,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-10-11 02:53:21,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 464. [2024-10-11 02:53:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 354 states have (on average 1.5988700564971752) internal successors, (566), 361 states have internal predecessors, (566), 78 states have call successors, (78), 28 states have call predecessors, (78), 31 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2024-10-11 02:53:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 728 transitions. [2024-10-11 02:53:21,150 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 728 transitions. Word has length 136 [2024-10-11 02:53:21,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:21,150 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 728 transitions. [2024-10-11 02:53:21,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-11 02:53:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 728 transitions. [2024-10-11 02:53:21,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 02:53:21,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:21,152 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:21,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:53:21,152 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:21,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:21,153 INFO L85 PathProgramCache]: Analyzing trace with hash 846841562, now seen corresponding path program 2 times [2024-10-11 02:53:21,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:21,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93006536] [2024-10-11 02:53:21,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:21,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:53:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:53:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:53:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:53:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:53:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:53:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:53:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:53:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:53:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 02:53:21,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:21,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93006536] [2024-10-11 02:53:21,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93006536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:21,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:21,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:53:21,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974668645] [2024-10-11 02:53:21,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:21,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:53:21,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:21,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:53:21,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:53:21,398 INFO L87 Difference]: Start difference. First operand 464 states and 728 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-11 02:53:23,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:23,375 INFO L93 Difference]: Finished difference Result 1009 states and 1621 transitions. [2024-10-11 02:53:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:53:23,376 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 137 [2024-10-11 02:53:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:23,379 INFO L225 Difference]: With dead ends: 1009 [2024-10-11 02:53:23,379 INFO L226 Difference]: Without dead ends: 568 [2024-10-11 02:53:23,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:53:23,382 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1401 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4269 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 4749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 4269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:23,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 1664 Invalid, 4749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 4269 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 02:53:23,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-10-11 02:53:23,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 466. [2024-10-11 02:53:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 355 states have (on average 1.5971830985915494) internal successors, (567), 363 states have internal predecessors, (567), 78 states have call successors, (78), 28 states have call predecessors, (78), 32 states have return successors, (89), 76 states have call predecessors, (89), 77 states have call successors, (89) [2024-10-11 02:53:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 734 transitions. [2024-10-11 02:53:23,406 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 734 transitions. Word has length 137 [2024-10-11 02:53:23,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:23,406 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 734 transitions. [2024-10-11 02:53:23,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-11 02:53:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 734 transitions. [2024-10-11 02:53:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-11 02:53:23,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:23,408 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:23,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 02:53:23,409 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:23,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:23,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1470915687, now seen corresponding path program 1 times [2024-10-11 02:53:23,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:23,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865144518] [2024-10-11 02:53:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:23,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:53:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:53:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:53:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:53:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:53:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:53:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:53:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:53:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:53:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:53:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 02:53:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 02:53:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-11 02:53:23,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:23,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865144518] [2024-10-11 02:53:23,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865144518] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:23,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302023489] [2024-10-11 02:53:23,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:23,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:23,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:23,612 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:23,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 02:53:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:53:23,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:23,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:53:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:24,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302023489] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:53:24,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:53:24,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-11 02:53:24,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063839797] [2024-10-11 02:53:24,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:53:24,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 02:53:24,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:24,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 02:53:24,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:53:24,022 INFO L87 Difference]: Start difference. First operand 466 states and 734 transitions. Second operand has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-10-11 02:53:26,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:26,168 INFO L93 Difference]: Finished difference Result 1428 states and 2397 transitions. [2024-10-11 02:53:26,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 02:53:26,173 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 156 [2024-10-11 02:53:26,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:26,178 INFO L225 Difference]: With dead ends: 1428 [2024-10-11 02:53:26,178 INFO L226 Difference]: Without dead ends: 988 [2024-10-11 02:53:26,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-11 02:53:26,180 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 2644 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 4512 mSolverCounterSat, 939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 5451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 939 IncrementalHoareTripleChecker+Valid, 4512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:26,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2664 Valid, 1924 Invalid, 5451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [939 Valid, 4512 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 02:53:26,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-10-11 02:53:26,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 871. [2024-10-11 02:53:26,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 681 states have (on average 1.644640234948605) internal successors, (1120), 689 states have internal predecessors, (1120), 157 states have call successors, (157), 28 states have call predecessors, (157), 32 states have return successors, (178), 155 states have call predecessors, (178), 156 states have call successors, (178) [2024-10-11 02:53:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1455 transitions. [2024-10-11 02:53:26,222 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1455 transitions. Word has length 156 [2024-10-11 02:53:26,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:26,223 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1455 transitions. [2024-10-11 02:53:26,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-10-11 02:53:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1455 transitions. [2024-10-11 02:53:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 02:53:26,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:26,227 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:26,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 02:53:26,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 02:53:26,428 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:26,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:26,428 INFO L85 PathProgramCache]: Analyzing trace with hash 404644071, now seen corresponding path program 1 times [2024-10-11 02:53:26,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:26,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959201616] [2024-10-11 02:53:26,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:26,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:53:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:53:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:53:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:53:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:53:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:53:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:53:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:53:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:53:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:53:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:26,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:26,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959201616] [2024-10-11 02:53:26,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959201616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:26,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:26,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:26,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086575584] [2024-10-11 02:53:26,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:26,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:26,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:26,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:26,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:26,547 INFO L87 Difference]: Start difference. First operand 871 states and 1455 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:27,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:27,611 INFO L93 Difference]: Finished difference Result 2163 states and 3716 transitions. [2024-10-11 02:53:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:27,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2024-10-11 02:53:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:27,617 INFO L225 Difference]: With dead ends: 2163 [2024-10-11 02:53:27,617 INFO L226 Difference]: Without dead ends: 1360 [2024-10-11 02:53:27,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:27,620 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1535 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:27,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 901 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 02:53:27,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-10-11 02:53:27,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1253. [2024-10-11 02:53:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 984 states have (on average 1.6585365853658536) internal successors, (1632), 992 states have internal predecessors, (1632), 236 states have call successors, (236), 28 states have call predecessors, (236), 32 states have return successors, (267), 234 states have call predecessors, (267), 235 states have call successors, (267) [2024-10-11 02:53:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 2135 transitions. [2024-10-11 02:53:27,680 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 2135 transitions. Word has length 142 [2024-10-11 02:53:27,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:27,680 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 2135 transitions. [2024-10-11 02:53:27,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 2135 transitions. [2024-10-11 02:53:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 02:53:27,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:27,685 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:27,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 02:53:27,685 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:27,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:27,686 INFO L85 PathProgramCache]: Analyzing trace with hash -493490010, now seen corresponding path program 1 times [2024-10-11 02:53:27,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:27,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799641982] [2024-10-11 02:53:27,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:27,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:53:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:53:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:53:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:53:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:53:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:53:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:53:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 02:53:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:27,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:27,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799641982] [2024-10-11 02:53:27,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799641982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:27,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:27,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:27,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213439651] [2024-10-11 02:53:27,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:27,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:27,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:27,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:27,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:27,784 INFO L87 Difference]: Start difference. First operand 1253 states and 2135 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:28,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:28,823 INFO L93 Difference]: Finished difference Result 3114 states and 5402 transitions. [2024-10-11 02:53:28,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:28,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-10-11 02:53:28,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:28,836 INFO L225 Difference]: With dead ends: 3114 [2024-10-11 02:53:28,836 INFO L226 Difference]: Without dead ends: 1979 [2024-10-11 02:53:28,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:28,839 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1523 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 1945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:28,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 880 Invalid, 1945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [567 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 02:53:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2024-10-11 02:53:28,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1872. [2024-10-11 02:53:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1872 states, 1484 states have (on average 1.6657681940700808) internal successors, (2472), 1492 states have internal predecessors, (2472), 355 states have call successors, (355), 28 states have call predecessors, (355), 32 states have return successors, (386), 353 states have call predecessors, (386), 354 states have call successors, (386) [2024-10-11 02:53:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 3213 transitions. [2024-10-11 02:53:28,909 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 3213 transitions. Word has length 143 [2024-10-11 02:53:28,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:28,909 INFO L471 AbstractCegarLoop]: Abstraction has 1872 states and 3213 transitions. [2024-10-11 02:53:28,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3213 transitions. [2024-10-11 02:53:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-10-11 02:53:28,918 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:28,918 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:28,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 02:53:28,918 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:28,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:28,919 INFO L85 PathProgramCache]: Analyzing trace with hash -397963940, now seen corresponding path program 1 times [2024-10-11 02:53:28,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:28,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454219088] [2024-10-11 02:53:28,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:28,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:53:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:53:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:53:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:53:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:53:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:53:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:53:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:53:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:53:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:53:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 02:53:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 02:53:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 02:53:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:29,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454219088] [2024-10-11 02:53:29,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454219088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:29,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:29,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:29,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91820324] [2024-10-11 02:53:29,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:29,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:29,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:29,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:29,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:29,030 INFO L87 Difference]: Start difference. First operand 1872 states and 3213 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:30,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:30,104 INFO L93 Difference]: Finished difference Result 4554 states and 7973 transitions. [2024-10-11 02:53:30,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:30,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2024-10-11 02:53:30,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:30,120 INFO L225 Difference]: With dead ends: 4554 [2024-10-11 02:53:30,120 INFO L226 Difference]: Without dead ends: 2928 [2024-10-11 02:53:30,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:30,124 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1540 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:30,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 877 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 02:53:30,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2928 states. [2024-10-11 02:53:30,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2928 to 2821. [2024-10-11 02:53:30,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2271 states have (on average 1.6719506825187143) internal successors, (3797), 2279 states have internal predecessors, (3797), 517 states have call successors, (517), 28 states have call predecessors, (517), 32 states have return successors, (564), 515 states have call predecessors, (564), 516 states have call successors, (564) [2024-10-11 02:53:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 4878 transitions. [2024-10-11 02:53:30,219 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 4878 transitions. Word has length 162 [2024-10-11 02:53:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:30,219 INFO L471 AbstractCegarLoop]: Abstraction has 2821 states and 4878 transitions. [2024-10-11 02:53:30,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 4878 transitions. [2024-10-11 02:53:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 02:53:30,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:30,232 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:30,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 02:53:30,232 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:30,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:30,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1855369960, now seen corresponding path program 1 times [2024-10-11 02:53:30,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:30,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445446490] [2024-10-11 02:53:30,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:53:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:53:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:53:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:53:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:53:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:53:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:53:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:53:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 02:53:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 02:53:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 02:53:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 02:53:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:30,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:30,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445446490] [2024-10-11 02:53:30,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445446490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:30,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:30,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:30,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041664904] [2024-10-11 02:53:30,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:30,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:30,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:30,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:30,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:30,355 INFO L87 Difference]: Start difference. First operand 2821 states and 4878 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:31,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:31,688 INFO L93 Difference]: Finished difference Result 6826 states and 12041 transitions. [2024-10-11 02:53:31,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:31,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 163 [2024-10-11 02:53:31,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:31,707 INFO L225 Difference]: With dead ends: 6826 [2024-10-11 02:53:31,707 INFO L226 Difference]: Without dead ends: 4460 [2024-10-11 02:53:31,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:31,713 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1511 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:31,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 879 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:53:31,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4460 states. [2024-10-11 02:53:31,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4460 to 4353. [2024-10-11 02:53:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4353 states, 3558 states have (on average 1.676503653738055) internal successors, (5965), 3566 states have internal predecessors, (5965), 762 states have call successors, (762), 28 states have call predecessors, (762), 32 states have return successors, (835), 760 states have call predecessors, (835), 761 states have call successors, (835) [2024-10-11 02:53:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4353 states to 4353 states and 7562 transitions. [2024-10-11 02:53:31,871 INFO L78 Accepts]: Start accepts. Automaton has 4353 states and 7562 transitions. Word has length 163 [2024-10-11 02:53:31,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:31,872 INFO L471 AbstractCegarLoop]: Abstraction has 4353 states and 7562 transitions. [2024-10-11 02:53:31,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:31,872 INFO L276 IsEmpty]: Start isEmpty. Operand 4353 states and 7562 transitions. [2024-10-11 02:53:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-11 02:53:31,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:31,889 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:31,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 02:53:31,890 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:31,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:31,890 INFO L85 PathProgramCache]: Analyzing trace with hash 588238400, now seen corresponding path program 1 times [2024-10-11 02:53:31,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:31,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677443318] [2024-10-11 02:53:31,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:31,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:53:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:53:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:53:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:53:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:53:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:53:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:53:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:53:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:53:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:53:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 02:53:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 02:53:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 02:53:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:31,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:31,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677443318] [2024-10-11 02:53:31,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677443318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:31,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:31,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:31,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056026412] [2024-10-11 02:53:31,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:31,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:31,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:31,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:31,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:31,979 INFO L87 Difference]: Start difference. First operand 4353 states and 7562 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:33,170 INFO L93 Difference]: Finished difference Result 10879 states and 19252 transitions. [2024-10-11 02:53:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:33,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2024-10-11 02:53:33,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:33,200 INFO L225 Difference]: With dead ends: 10879 [2024-10-11 02:53:33,200 INFO L226 Difference]: Without dead ends: 7220 [2024-10-11 02:53:33,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:33,210 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1524 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:33,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 920 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [560 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:53:33,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2024-10-11 02:53:33,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 7113. [2024-10-11 02:53:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7113 states, 5825 states have (on average 1.672274678111588) internal successors, (9741), 5833 states have internal predecessors, (9741), 1255 states have call successors, (1255), 28 states have call predecessors, (1255), 32 states have return successors, (1372), 1253 states have call predecessors, (1372), 1254 states have call successors, (1372) [2024-10-11 02:53:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7113 states to 7113 states and 12368 transitions. [2024-10-11 02:53:33,445 INFO L78 Accepts]: Start accepts. Automaton has 7113 states and 12368 transitions. Word has length 164 [2024-10-11 02:53:33,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:33,446 INFO L471 AbstractCegarLoop]: Abstraction has 7113 states and 12368 transitions. [2024-10-11 02:53:33,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 7113 states and 12368 transitions. [2024-10-11 02:53:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-11 02:53:33,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:33,467 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:33,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 02:53:33,467 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:33,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1546981892, now seen corresponding path program 1 times [2024-10-11 02:53:33,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:33,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159818739] [2024-10-11 02:53:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:53:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:53:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:53:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:53:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:53:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:53:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:53:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:53:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:53:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 02:53:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 02:53:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 02:53:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 02:53:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:33,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:33,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159818739] [2024-10-11 02:53:33,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159818739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:33,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:33,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:33,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741225737] [2024-10-11 02:53:33,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:33,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:33,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:33,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:33,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:33,560 INFO L87 Difference]: Start difference. First operand 7113 states and 12368 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:34,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:34,948 INFO L93 Difference]: Finished difference Result 18082 states and 31999 transitions. [2024-10-11 02:53:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:34,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-10-11 02:53:34,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:34,986 INFO L225 Difference]: With dead ends: 18082 [2024-10-11 02:53:34,986 INFO L226 Difference]: Without dead ends: 12049 [2024-10-11 02:53:35,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:35,002 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1491 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:35,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 880 Invalid, 1988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:53:35,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12049 states. [2024-10-11 02:53:35,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12049 to 11942. [2024-10-11 02:53:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11942 states, 9832 states have (on average 1.6722945484133442) internal successors, (16442), 9840 states have internal predecessors, (16442), 2077 states have call successors, (2077), 28 states have call predecessors, (2077), 32 states have return successors, (2272), 2075 states have call predecessors, (2272), 2076 states have call successors, (2272) [2024-10-11 02:53:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11942 states to 11942 states and 20791 transitions. [2024-10-11 02:53:35,420 INFO L78 Accepts]: Start accepts. Automaton has 11942 states and 20791 transitions. Word has length 165 [2024-10-11 02:53:35,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:35,420 INFO L471 AbstractCegarLoop]: Abstraction has 11942 states and 20791 transitions. [2024-10-11 02:53:35,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:35,421 INFO L276 IsEmpty]: Start isEmpty. Operand 11942 states and 20791 transitions. [2024-10-11 02:53:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 02:53:35,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:35,459 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:35,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 02:53:35,459 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:35,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:35,459 INFO L85 PathProgramCache]: Analyzing trace with hash -48057605, now seen corresponding path program 1 times [2024-10-11 02:53:35,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:35,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928059284] [2024-10-11 02:53:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:35,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:53:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:53:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:53:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:53:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:53:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:53:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:53:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:53:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 02:53:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 02:53:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:35,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:35,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928059284] [2024-10-11 02:53:35,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928059284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:35,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:35,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:35,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411035940] [2024-10-11 02:53:35,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:35,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:35,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:35,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:35,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:35,555 INFO L87 Difference]: Start difference. First operand 11942 states and 20791 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:37,021 INFO L93 Difference]: Finished difference Result 28628 states and 50447 transitions. [2024-10-11 02:53:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:37,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-10-11 02:53:37,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:37,078 INFO L225 Difference]: With dead ends: 28628 [2024-10-11 02:53:37,078 INFO L226 Difference]: Without dead ends: 18721 [2024-10-11 02:53:37,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:37,102 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1515 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 1945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 564 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:37,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 858 Invalid, 1945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [564 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:53:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18721 states. [2024-10-11 02:53:37,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18721 to 18614. [2024-10-11 02:53:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18614 states, 15301 states have (on average 1.6489771910332658) internal successors, (25231), 15309 states have internal predecessors, (25231), 3280 states have call successors, (3280), 28 states have call predecessors, (3280), 32 states have return successors, (3619), 3278 states have call predecessors, (3619), 3279 states have call successors, (3619) [2024-10-11 02:53:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18614 states to 18614 states and 32130 transitions. [2024-10-11 02:53:37,793 INFO L78 Accepts]: Start accepts. Automaton has 18614 states and 32130 transitions. Word has length 148 [2024-10-11 02:53:37,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:37,794 INFO L471 AbstractCegarLoop]: Abstraction has 18614 states and 32130 transitions. [2024-10-11 02:53:37,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 18614 states and 32130 transitions. [2024-10-11 02:53:37,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 02:53:37,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:37,832 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:37,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 02:53:37,832 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:37,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:37,833 INFO L85 PathProgramCache]: Analyzing trace with hash -969265568, now seen corresponding path program 1 times [2024-10-11 02:53:37,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:37,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336800286] [2024-10-11 02:53:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:37,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:53:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:53:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:53:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:53:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:53:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:53:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 02:53:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 02:53:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:37,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:37,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336800286] [2024-10-11 02:53:37,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336800286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:37,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:37,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:37,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404759093] [2024-10-11 02:53:37,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:37,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:37,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:37,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:37,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:37,947 INFO L87 Difference]: Start difference. First operand 18614 states and 32130 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:39,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:39,632 INFO L93 Difference]: Finished difference Result 49261 states and 86566 transitions. [2024-10-11 02:53:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:39,632 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-10-11 02:53:39,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:39,732 INFO L225 Difference]: With dead ends: 49261 [2024-10-11 02:53:39,733 INFO L226 Difference]: Without dead ends: 33302 [2024-10-11 02:53:39,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:39,771 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1537 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:39,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 876 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 02:53:39,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33302 states. [2024-10-11 02:53:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33302 to 33195. [2024-10-11 02:53:40,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33195 states, 27432 states have (on average 1.646143190434529) internal successors, (45157), 27440 states have internal predecessors, (45157), 5730 states have call successors, (5730), 28 states have call predecessors, (5730), 32 states have return successors, (6343), 5728 states have call predecessors, (6343), 5729 states have call successors, (6343) [2024-10-11 02:53:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33195 states to 33195 states and 57230 transitions. [2024-10-11 02:53:40,992 INFO L78 Accepts]: Start accepts. Automaton has 33195 states and 57230 transitions. Word has length 149 [2024-10-11 02:53:40,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:40,993 INFO L471 AbstractCegarLoop]: Abstraction has 33195 states and 57230 transitions. [2024-10-11 02:53:40,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 33195 states and 57230 transitions. [2024-10-11 02:53:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-11 02:53:41,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:41,043 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:41,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 02:53:41,043 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:41,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:41,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1168827364, now seen corresponding path program 1 times [2024-10-11 02:53:41,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:41,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627809655] [2024-10-11 02:53:41,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:41,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:53:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:53:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:53:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:53:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:53:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:53:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:53:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:53:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:53:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 02:53:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 02:53:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 02:53:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 02:53:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:41,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:41,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627809655] [2024-10-11 02:53:41,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627809655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:41,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:41,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:41,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676463794] [2024-10-11 02:53:41,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:41,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:41,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:41,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:41,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:41,160 INFO L87 Difference]: Start difference. First operand 33195 states and 57230 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:43,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:43,760 INFO L93 Difference]: Finished difference Result 90563 states and 158395 transitions. [2024-10-11 02:53:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:43,761 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2024-10-11 02:53:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:44,152 INFO L225 Difference]: With dead ends: 90563 [2024-10-11 02:53:44,153 INFO L226 Difference]: Without dead ends: 60914 [2024-10-11 02:53:44,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:44,208 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1484 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:44,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 878 Invalid, 1982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:53:44,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60914 states. [2024-10-11 02:53:46,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60914 to 60807. [2024-10-11 02:53:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60807 states, 50531 states have (on average 1.6422987868832994) internal successors, (82987), 50539 states have internal predecessors, (82987), 10243 states have call successors, (10243), 28 states have call predecessors, (10243), 32 states have return successors, (11388), 10241 states have call predecessors, (11388), 10242 states have call successors, (11388) [2024-10-11 02:53:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60807 states to 60807 states and 104618 transitions. [2024-10-11 02:53:46,429 INFO L78 Accepts]: Start accepts. Automaton has 60807 states and 104618 transitions. Word has length 168 [2024-10-11 02:53:46,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:46,430 INFO L471 AbstractCegarLoop]: Abstraction has 60807 states and 104618 transitions. [2024-10-11 02:53:46,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 60807 states and 104618 transitions. [2024-10-11 02:53:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-11 02:53:46,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:46,506 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:46,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 02:53:46,506 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:46,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:46,507 INFO L85 PathProgramCache]: Analyzing trace with hash -128679904, now seen corresponding path program 1 times [2024-10-11 02:53:46,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:46,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243198982] [2024-10-11 02:53:46,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:46,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:53:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:53:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:53:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:53:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:53:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:53:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:53:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:53:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 02:53:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 02:53:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:46,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:46,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243198982] [2024-10-11 02:53:46,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243198982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:46,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:46,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:46,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772438591] [2024-10-11 02:53:46,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:46,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:46,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:46,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:46,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:46,871 INFO L87 Difference]: Start difference. First operand 60807 states and 104618 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:49,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:49,930 INFO L93 Difference]: Finished difference Result 113915 states and 199748 transitions. [2024-10-11 02:53:49,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:49,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-10-11 02:53:49,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:50,468 INFO L225 Difference]: With dead ends: 113915 [2024-10-11 02:53:50,468 INFO L226 Difference]: Without dead ends: 113708 [2024-10-11 02:53:50,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:50,508 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1493 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 538 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:50,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 883 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 02:53:50,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113708 states. [2024-10-11 02:53:53,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113708 to 113601. [2024-10-11 02:53:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113601 states, 94957 states have (on average 1.6373305812104426) internal successors, (155476), 94965 states have internal predecessors, (155476), 18611 states have call successors, (18611), 28 states have call predecessors, (18611), 32 states have return successors, (20802), 18609 states have call predecessors, (20802), 18610 states have call successors, (20802) [2024-10-11 02:53:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113601 states to 113601 states and 194889 transitions. [2024-10-11 02:53:54,721 INFO L78 Accepts]: Start accepts. Automaton has 113601 states and 194889 transitions. Word has length 151 [2024-10-11 02:53:54,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:54,725 INFO L471 AbstractCegarLoop]: Abstraction has 113601 states and 194889 transitions. [2024-10-11 02:53:54,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 113601 states and 194889 transitions. [2024-10-11 02:53:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 02:53:54,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:54,831 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:54,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 02:53:54,832 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:54,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:54,832 INFO L85 PathProgramCache]: Analyzing trace with hash -194650174, now seen corresponding path program 1 times [2024-10-11 02:53:54,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:54,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340827889] [2024-10-11 02:53:54,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:54,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:53:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:53:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:53:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:53:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:53:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:53:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:53:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:53:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:53:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 02:53:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:53:55,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:55,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340827889] [2024-10-11 02:53:55,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340827889] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:55,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37292989] [2024-10-11 02:53:55,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:55,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:55,273 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:55,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 02:53:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 02:53:55,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 02:53:55,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:53:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:53:56,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37292989] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:53:56,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:53:56,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-10-11 02:53:56,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151664006] [2024-10-11 02:53:56,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:53:56,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-11 02:53:56,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:56,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-11 02:53:56,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2024-10-11 02:53:56,053 INFO L87 Difference]: Start difference. First operand 113601 states and 194889 transitions. Second operand has 32 states, 30 states have (on average 8.1) internal successors, (243), 24 states have internal predecessors, (243), 9 states have call successors, (53), 12 states have call predecessors, (53), 12 states have return successors, (45), 11 states have call predecessors, (45), 9 states have call successors, (45)