./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_spec8_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14180d3cb690799ed57b4096de70e545e9154e30692708de4df58b96eb76a2f0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 00:55:47,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 00:55:47,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 00:55:47,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 00:55:47,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 00:55:48,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 00:55:48,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 00:55:48,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 00:55:48,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 00:55:48,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 00:55:48,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 00:55:48,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 00:55:48,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 00:55:48,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 00:55:48,015 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 00:55:48,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 00:55:48,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 00:55:48,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 00:55:48,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 00:55:48,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 00:55:48,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 00:55:48,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 00:55:48,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 00:55:48,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 00:55:48,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 00:55:48,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 00:55:48,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 00:55:48,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 00:55:48,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 00:55:48,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 00:55:48,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 00:55:48,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 00:55:48,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:55:48,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 00:55:48,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 00:55:48,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 00:55:48,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 00:55:48,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 00:55:48,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 00:55:48,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 00:55:48,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 00:55:48,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 00:55:48,026 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14180d3cb690799ed57b4096de70e545e9154e30692708de4df58b96eb76a2f0 [2024-10-24 00:55:48,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 00:55:48,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 00:55:48,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 00:55:48,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 00:55:48,328 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 00:55:48,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2024-10-24 00:55:49,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 00:55:50,055 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 00:55:50,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2024-10-24 00:55:50,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a4e9f4f/0be9e2b0858c428d9a027a1a78aec2be/FLAG45a6ab395 [2024-10-24 00:55:50,349 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a4e9f4f/0be9e2b0858c428d9a027a1a78aec2be [2024-10-24 00:55:50,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 00:55:50,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 00:55:50,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 00:55:50,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 00:55:50,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 00:55:50,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:55:50" (1/1) ... [2024-10-24 00:55:50,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52926172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:50, skipping insertion in model container [2024-10-24 00:55:50,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:55:50" (1/1) ... [2024-10-24 00:55:50,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 00:55:50,797 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_spec8_product20.cil.c[19452,19465] [2024-10-24 00:55:50,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:55:51,004 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 00:55:51,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-10-24 00:55:51,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [414] [2024-10-24 00:55:51,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [432] [2024-10-24 00:55:51,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [844] [2024-10-24 00:55:51,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [853] [2024-10-24 00:55:51,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1933] [2024-10-24 00:55:51,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1987] [2024-10-24 00:55:51,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2216] [2024-10-24 00:55:51,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2321] [2024-10-24 00:55:51,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2618] [2024-10-24 00:55:51,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2925] [2024-10-24 00:55:51,070 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_spec8_product20.cil.c[19452,19465] [2024-10-24 00:55:51,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:55:51,177 INFO L204 MainTranslator]: Completed translation [2024-10-24 00:55:51,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51 WrapperNode [2024-10-24 00:55:51,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 00:55:51,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 00:55:51,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 00:55:51,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 00:55:51,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,281 INFO L138 Inliner]: procedures = 129, calls = 200, calls flagged for inlining = 56, calls inlined = 49, statements flattened = 966 [2024-10-24 00:55:51,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 00:55:51,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 00:55:51,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 00:55:51,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 00:55:51,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,307 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,337 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-24 00:55:51,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 00:55:51,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 00:55:51,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 00:55:51,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 00:55:51,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (1/1) ... [2024-10-24 00:55:51,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:55:51,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:51,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 00:55:51,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 00:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-24 00:55:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-24 00:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-24 00:55:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-24 00:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-24 00:55:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-24 00:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-24 00:55:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-24 00:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-24 00:55:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-24 00:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-24 00:55:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-24 00:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-24 00:55:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-24 00:55:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-24 00:55:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-24 00:55:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-24 00:55:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-24 00:55:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-24 00:55:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-24 00:55:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-24 00:55:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-24 00:55:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-24 00:55:51,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-24 00:55:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 00:55:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-24 00:55:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-24 00:55:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-24 00:55:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-24 00:55:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-24 00:55:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-24 00:55:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-24 00:55:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-24 00:55:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-24 00:55:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-24 00:55:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-24 00:55:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-24 00:55:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-24 00:55:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-24 00:55:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-24 00:55:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-24 00:55:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 00:55:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 00:55:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 00:55:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 00:55:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-24 00:55:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-24 00:55:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-24 00:55:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-24 00:55:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 00:55:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 00:55:51,712 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 00:55:51,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 00:55:52,598 INFO L? ?]: Removed 483 outVars from TransFormulas that were not future-live. [2024-10-24 00:55:52,598 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 00:55:52,707 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 00:55:52,709 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 00:55:52,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:55:52 BoogieIcfgContainer [2024-10-24 00:55:52,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 00:55:52,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 00:55:52,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 00:55:52,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 00:55:52,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:55:50" (1/3) ... [2024-10-24 00:55:52,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe7d409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:55:52, skipping insertion in model container [2024-10-24 00:55:52,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:51" (2/3) ... [2024-10-24 00:55:52,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe7d409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:55:52, skipping insertion in model container [2024-10-24 00:55:52,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:55:52" (3/3) ... [2024-10-24 00:55:52,720 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2024-10-24 00:55:52,736 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 00:55:52,737 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 00:55:52,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 00:55:52,829 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;@259ea6b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 00:55:52,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 00:55:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 339 states, 261 states have (on average 1.6360153256704981) internal successors, (427), 266 states have internal predecessors, (427), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 00:55:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 00:55:52,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:52,855 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:52,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:52,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash -701032600, now seen corresponding path program 1 times [2024-10-24 00:55:52,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:52,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158263057] [2024-10-24 00:55:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:52,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:55:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:55:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:55:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 00:55:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 00:55:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:55:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:55:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:55:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:55:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:55:53,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:53,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158263057] [2024-10-24 00:55:53,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158263057] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:53,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032777286] [2024-10-24 00:55:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:53,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:53,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:53,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:55:53,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 00:55:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:53,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 00:55:53,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:55:53,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:53,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032777286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:53,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:53,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-24 00:55:53,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721675483] [2024-10-24 00:55:53,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:53,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 00:55:53,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:54,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 00:55:54,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:55:54,006 INFO L87 Difference]: Start difference. First operand has 339 states, 261 states have (on average 1.6360153256704981) internal successors, (427), 266 states have internal predecessors, (427), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:55:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:54,097 INFO L93 Difference]: Finished difference Result 494 states and 769 transitions. [2024-10-24 00:55:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 00:55:54,100 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2024-10-24 00:55:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:54,111 INFO L225 Difference]: With dead ends: 494 [2024-10-24 00:55:54,111 INFO L226 Difference]: Without dead ends: 336 [2024-10-24 00:55:54,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:55:54,123 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:54,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:55:54,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-24 00:55:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2024-10-24 00:55:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 259 states have (on average 1.6216216216216217) internal successors, (420), 263 states have internal predecessors, (420), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-24 00:55:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 527 transitions. [2024-10-24 00:55:54,194 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 527 transitions. Word has length 92 [2024-10-24 00:55:54,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:54,195 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 527 transitions. [2024-10-24 00:55:54,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:55:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 527 transitions. [2024-10-24 00:55:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 00:55:54,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:54,204 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:54,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 00:55:54,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-24 00:55:54,409 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:54,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:54,410 INFO L85 PathProgramCache]: Analyzing trace with hash -937617512, now seen corresponding path program 1 times [2024-10-24 00:55:54,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:54,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557130367] [2024-10-24 00:55:54,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:54,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:55:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:55:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:55:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 00:55:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 00:55:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:55:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:55:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:55:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:55:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:55:54,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:54,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557130367] [2024-10-24 00:55:54,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557130367] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:54,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280575993] [2024-10-24 00:55:54,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:54,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:54,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:54,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:55:54,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 00:55:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 00:55:55,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:55:55,074 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:55,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280575993] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:55,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:55,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:55:55,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540325684] [2024-10-24 00:55:55,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:55,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:55:55,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:55,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:55:55,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:55:55,079 INFO L87 Difference]: Start difference. First operand 336 states and 527 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:55:55,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:55,146 INFO L93 Difference]: Finished difference Result 490 states and 753 transitions. [2024-10-24 00:55:55,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:55:55,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2024-10-24 00:55:55,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:55,152 INFO L225 Difference]: With dead ends: 490 [2024-10-24 00:55:55,152 INFO L226 Difference]: Without dead ends: 338 [2024-10-24 00:55:55,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:55:55,160 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 0 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:55,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1027 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:55:55,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-24 00:55:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-10-24 00:55:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 261 states have (on average 1.6168582375478928) internal successors, (422), 265 states have internal predecessors, (422), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-24 00:55:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 529 transitions. [2024-10-24 00:55:55,183 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 529 transitions. Word has length 93 [2024-10-24 00:55:55,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:55,184 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 529 transitions. [2024-10-24 00:55:55,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:55:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 529 transitions. [2024-10-24 00:55:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 00:55:55,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:55,188 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:55,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 00:55:55,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-24 00:55:55,393 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:55,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:55,394 INFO L85 PathProgramCache]: Analyzing trace with hash 231243337, now seen corresponding path program 1 times [2024-10-24 00:55:55,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:55,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515996745] [2024-10-24 00:55:55,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:55,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:55:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:55:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:55:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 00:55:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:55:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:55:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:55:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:55:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:55:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:55:55,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:55,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515996745] [2024-10-24 00:55:55,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515996745] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:55,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470753353] [2024-10-24 00:55:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:55,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:55,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:55,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:55:55,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 00:55:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:55:55,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:55:55,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:55,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470753353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:55,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:55,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:55:55,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257306174] [2024-10-24 00:55:55,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:55,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:55:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:55,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:55:55,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:55:55,991 INFO L87 Difference]: Start difference. First operand 338 states and 529 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:55:56,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:56,075 INFO L93 Difference]: Finished difference Result 724 states and 1150 transitions. [2024-10-24 00:55:56,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:55:56,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2024-10-24 00:55:56,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:56,080 INFO L225 Difference]: With dead ends: 724 [2024-10-24 00:55:56,080 INFO L226 Difference]: Without dead ends: 408 [2024-10-24 00:55:56,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:55:56,083 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 129 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:56,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 992 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:55:56,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-24 00:55:56,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 403. [2024-10-24 00:55:56,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 312 states have (on average 1.6314102564102564) internal successors, (509), 316 states have internal predecessors, (509), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-24 00:55:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 644 transitions. [2024-10-24 00:55:56,124 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 644 transitions. Word has length 100 [2024-10-24 00:55:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:56,125 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 644 transitions. [2024-10-24 00:55:56,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:55:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 644 transitions. [2024-10-24 00:55:56,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 00:55:56,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:56,130 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:56,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 00:55:56,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:56,331 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:56,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:56,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1998539829, now seen corresponding path program 1 times [2024-10-24 00:55:56,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:56,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8216281] [2024-10-24 00:55:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:56,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:55:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:55:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:55:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:55:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:55:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:55:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:55:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:55:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:55:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:55:56,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:56,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8216281] [2024-10-24 00:55:56,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8216281] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:56,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856419378] [2024-10-24 00:55:56,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:56,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:56,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:56,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:55:56,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 00:55:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:56,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 00:55:56,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 00:55:57,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:57,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856419378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:57,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:57,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-24 00:55:57,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225795087] [2024-10-24 00:55:57,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:57,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:55:57,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:57,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:55:57,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:55:57,009 INFO L87 Difference]: Start difference. First operand 403 states and 644 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 00:55:57,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:57,115 INFO L93 Difference]: Finished difference Result 801 states and 1282 transitions. [2024-10-24 00:55:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:55:57,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2024-10-24 00:55:57,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:57,119 INFO L225 Difference]: With dead ends: 801 [2024-10-24 00:55:57,119 INFO L226 Difference]: Without dead ends: 405 [2024-10-24 00:55:57,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:55:57,123 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 2 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:57,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2013 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:55:57,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-24 00:55:57,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-10-24 00:55:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 313 states have (on average 1.6293929712460065) internal successors, (510), 318 states have internal predecessors, (510), 68 states have call successors, (68), 22 states have call predecessors, (68), 23 states have return successors, (69), 66 states have call predecessors, (69), 67 states have call successors, (69) [2024-10-24 00:55:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 647 transitions. [2024-10-24 00:55:57,152 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 647 transitions. Word has length 101 [2024-10-24 00:55:57,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:57,152 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 647 transitions. [2024-10-24 00:55:57,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 00:55:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 647 transitions. [2024-10-24 00:55:57,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 00:55:57,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:57,155 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:57,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 00:55:57,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:57,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:57,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:57,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1666608539, now seen corresponding path program 1 times [2024-10-24 00:55:57,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:57,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633539117] [2024-10-24 00:55:57,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 00:55:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 00:55:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 00:55:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:55:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:55:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:55:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:55:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-24 00:55:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:55:57,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:57,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633539117] [2024-10-24 00:55:57,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633539117] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:57,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187353709] [2024-10-24 00:55:57,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:57,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:57,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:55:57,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 00:55:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:57,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 00:55:57,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 00:55:57,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187353709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:57,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:57,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-24 00:55:57,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43513959] [2024-10-24 00:55:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:57,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:55:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:57,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:55:57,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:55:57,967 INFO L87 Difference]: Start difference. First operand 405 states and 647 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 00:55:58,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:58,065 INFO L93 Difference]: Finished difference Result 803 states and 1287 transitions. [2024-10-24 00:55:58,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:55:58,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 102 [2024-10-24 00:55:58,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:58,068 INFO L225 Difference]: With dead ends: 803 [2024-10-24 00:55:58,068 INFO L226 Difference]: Without dead ends: 407 [2024-10-24 00:55:58,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:55:58,070 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 2 mSDsluCounter, 1495 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:58,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1999 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:55:58,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-24 00:55:58,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-10-24 00:55:58,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 314 states have (on average 1.627388535031847) internal successors, (511), 320 states have internal predecessors, (511), 68 states have call successors, (68), 22 states have call predecessors, (68), 24 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-10-24 00:55:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 653 transitions. [2024-10-24 00:55:58,096 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 653 transitions. Word has length 102 [2024-10-24 00:55:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:58,096 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 653 transitions. [2024-10-24 00:55:58,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 00:55:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 653 transitions. [2024-10-24 00:55:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 00:55:58,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:58,100 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:58,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 00:55:58,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:58,301 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:58,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:58,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1431098475, now seen corresponding path program 1 times [2024-10-24 00:55:58,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:58,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919307776] [2024-10-24 00:55:58,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:58,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 00:55:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 00:55:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 00:55:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:55:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:55:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:55:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:55:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:55:58,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:58,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919307776] [2024-10-24 00:55:58,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919307776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:58,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:58,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:55:58,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873495838] [2024-10-24 00:55:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:58,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:55:58,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:58,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:55:58,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:55:58,503 INFO L87 Difference]: Start difference. First operand 407 states and 653 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 00:56:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:00,448 INFO L93 Difference]: Finished difference Result 883 states and 1448 transitions. [2024-10-24 00:56:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:56:00,449 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2024-10-24 00:56:00,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:00,453 INFO L225 Difference]: With dead ends: 883 [2024-10-24 00:56:00,453 INFO L226 Difference]: Without dead ends: 495 [2024-10-24 00:56:00,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:56:00,455 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1120 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:00,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 1199 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 00:56:00,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-10-24 00:56:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 407. [2024-10-24 00:56:00,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 314 states have (on average 1.627388535031847) internal successors, (511), 320 states have internal predecessors, (511), 68 states have call successors, (68), 22 states have call predecessors, (68), 24 states have return successors, (73), 66 states have call predecessors, (73), 67 states have call successors, (73) [2024-10-24 00:56:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 652 transitions. [2024-10-24 00:56:00,496 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 652 transitions. Word has length 103 [2024-10-24 00:56:00,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:00,497 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 652 transitions. [2024-10-24 00:56:00,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 00:56:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 652 transitions. [2024-10-24 00:56:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 00:56:00,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:00,501 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:00,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 00:56:00,501 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:00,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:00,502 INFO L85 PathProgramCache]: Analyzing trace with hash -50600157, now seen corresponding path program 2 times [2024-10-24 00:56:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127682034] [2024-10-24 00:56:00,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 00:56:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 00:56:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:56:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:56:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:56:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:56:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:56:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:56:00,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:00,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127682034] [2024-10-24 00:56:00,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127682034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:00,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:00,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:56:00,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948916742] [2024-10-24 00:56:00,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:00,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:56:00,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:00,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:56:00,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:56:00,717 INFO L87 Difference]: Start difference. First operand 407 states and 652 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 00:56:02,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:02,578 INFO L93 Difference]: Finished difference Result 885 states and 1451 transitions. [2024-10-24 00:56:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:56:02,579 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2024-10-24 00:56:02,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:02,583 INFO L225 Difference]: With dead ends: 885 [2024-10-24 00:56:02,583 INFO L226 Difference]: Without dead ends: 497 [2024-10-24 00:56:02,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:56:02,586 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1116 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:02,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 1199 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 2259 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-24 00:56:02,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-24 00:56:02,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 409. [2024-10-24 00:56:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 315 states have (on average 1.6253968253968254) internal successors, (512), 322 states have internal predecessors, (512), 68 states have call successors, (68), 22 states have call predecessors, (68), 25 states have return successors, (75), 66 states have call predecessors, (75), 67 states have call successors, (75) [2024-10-24 00:56:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 655 transitions. [2024-10-24 00:56:02,630 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 655 transitions. Word has length 104 [2024-10-24 00:56:02,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:02,631 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 655 transitions. [2024-10-24 00:56:02,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 00:56:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 655 transitions. [2024-10-24 00:56:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 00:56:02,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:02,634 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:02,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 00:56:02,634 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:02,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:02,635 INFO L85 PathProgramCache]: Analyzing trace with hash 778743408, now seen corresponding path program 1 times [2024-10-24 00:56:02,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:02,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493240496] [2024-10-24 00:56:02,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:02,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:56:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 00:56:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:56:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:56:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:56:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:56:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:56:02,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:02,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493240496] [2024-10-24 00:56:02,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493240496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:02,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:02,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:56:02,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507092385] [2024-10-24 00:56:02,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:02,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:56:02,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:02,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:56:02,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:56:02,895 INFO L87 Difference]: Start difference. First operand 409 states and 655 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-24 00:56:05,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:05,243 INFO L93 Difference]: Finished difference Result 883 states and 1446 transitions. [2024-10-24 00:56:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:56:05,244 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 105 [2024-10-24 00:56:05,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:05,250 INFO L225 Difference]: With dead ends: 883 [2024-10-24 00:56:05,250 INFO L226 Difference]: Without dead ends: 497 [2024-10-24 00:56:05,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:56:05,252 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1120 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3724 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 4097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 3724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:05,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 1663 Invalid, 4097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 3724 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 00:56:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-24 00:56:05,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 409. [2024-10-24 00:56:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 315 states have (on average 1.6253968253968254) internal successors, (512), 322 states have internal predecessors, (512), 68 states have call successors, (68), 22 states have call predecessors, (68), 25 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-10-24 00:56:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 654 transitions. [2024-10-24 00:56:05,283 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 654 transitions. Word has length 105 [2024-10-24 00:56:05,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:05,283 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 654 transitions. [2024-10-24 00:56:05,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-24 00:56:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 654 transitions. [2024-10-24 00:56:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 00:56:05,286 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:05,286 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:05,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 00:56:05,286 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:05,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:05,287 INFO L85 PathProgramCache]: Analyzing trace with hash 442885594, now seen corresponding path program 2 times [2024-10-24 00:56:05,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:05,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928173998] [2024-10-24 00:56:05,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:05,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:56:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:56:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:56:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:56:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:56:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:56:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:56:05,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:05,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928173998] [2024-10-24 00:56:05,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928173998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:05,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:05,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:56:05,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90856661] [2024-10-24 00:56:05,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:05,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:56:05,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:05,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:56:05,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:56:05,532 INFO L87 Difference]: Start difference. First operand 409 states and 654 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-24 00:56:07,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:07,868 INFO L93 Difference]: Finished difference Result 885 states and 1452 transitions. [2024-10-24 00:56:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:56:07,868 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 106 [2024-10-24 00:56:07,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:07,872 INFO L225 Difference]: With dead ends: 885 [2024-10-24 00:56:07,872 INFO L226 Difference]: Without dead ends: 499 [2024-10-24 00:56:07,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:56:07,874 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1114 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3771 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 4145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 3771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:07,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1665 Invalid, 4145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 3771 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 00:56:07,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-24 00:56:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 411. [2024-10-24 00:56:07,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 316 states have (on average 1.6234177215189873) internal successors, (513), 324 states have internal predecessors, (513), 68 states have call successors, (68), 22 states have call predecessors, (68), 26 states have return successors, (79), 66 states have call predecessors, (79), 67 states have call successors, (79) [2024-10-24 00:56:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 660 transitions. [2024-10-24 00:56:07,905 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 660 transitions. Word has length 106 [2024-10-24 00:56:07,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:07,905 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 660 transitions. [2024-10-24 00:56:07,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-24 00:56:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 660 transitions. [2024-10-24 00:56:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-24 00:56:07,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:07,908 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:07,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 00:56:07,908 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:07,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:07,909 INFO L85 PathProgramCache]: Analyzing trace with hash -124189067, now seen corresponding path program 1 times [2024-10-24 00:56:07,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:07,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995065897] [2024-10-24 00:56:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:56:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:56:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:56:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:56:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:56:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:56:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,145 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-24 00:56:08,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:08,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995065897] [2024-10-24 00:56:08,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995065897] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:56:08,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630218661] [2024-10-24 00:56:08,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:08,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:56:08,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:56:08,147 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:56:08,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 00:56:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:08,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:56:08,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:56:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:08,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:56:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:08,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630218661] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:56:08,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:56:08,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-24 00:56:08,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466660216] [2024-10-24 00:56:08,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:56:08,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 00:56:08,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:08,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 00:56:08,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:56:08,562 INFO L87 Difference]: Start difference. First operand 411 states and 660 transitions. Second operand has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-24 00:56:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:11,250 INFO L93 Difference]: Finished difference Result 1304 states and 2228 transitions. [2024-10-24 00:56:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 00:56:11,251 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 107 [2024-10-24 00:56:11,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:11,257 INFO L225 Difference]: With dead ends: 1304 [2024-10-24 00:56:11,257 INFO L226 Difference]: Without dead ends: 919 [2024-10-24 00:56:11,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-24 00:56:11,259 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 2324 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 4314 mSolverCounterSat, 712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 5026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 4314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:11,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 1951 Invalid, 5026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [712 Valid, 4314 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-24 00:56:11,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-10-24 00:56:11,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 816. [2024-10-24 00:56:11,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 642 states have (on average 1.6604361370716512) internal successors, (1066), 650 states have internal predecessors, (1066), 147 states have call successors, (147), 22 states have call predecessors, (147), 26 states have return successors, (168), 145 states have call predecessors, (168), 146 states have call successors, (168) [2024-10-24 00:56:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1381 transitions. [2024-10-24 00:56:11,304 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1381 transitions. Word has length 107 [2024-10-24 00:56:11,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:11,305 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1381 transitions. [2024-10-24 00:56:11,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-24 00:56:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1381 transitions. [2024-10-24 00:56:11,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 00:56:11,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:11,310 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:11,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 00:56:11,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:56:11,512 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:11,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:11,513 INFO L85 PathProgramCache]: Analyzing trace with hash 236215013, now seen corresponding path program 1 times [2024-10-24 00:56:11,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:11,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848441576] [2024-10-24 00:56:11,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:11,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:56:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:56:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:56:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:56:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:56:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:56:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:11,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:11,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848441576] [2024-10-24 00:56:11,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848441576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:11,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:11,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:11,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774708343] [2024-10-24 00:56:11,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:11,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:11,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:11,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:11,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:11,619 INFO L87 Difference]: Start difference. First operand 816 states and 1381 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:12,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:12,792 INFO L93 Difference]: Finished difference Result 2039 states and 3547 transitions. [2024-10-24 00:56:12,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:12,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-10-24 00:56:12,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:12,802 INFO L225 Difference]: With dead ends: 2039 [2024-10-24 00:56:12,802 INFO L226 Difference]: Without dead ends: 1291 [2024-10-24 00:56:12,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:12,805 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1241 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:12,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 910 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 00:56:12,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2024-10-24 00:56:12,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1198. [2024-10-24 00:56:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 945 states have (on average 1.66984126984127) internal successors, (1578), 953 states have internal predecessors, (1578), 226 states have call successors, (226), 22 states have call predecessors, (226), 26 states have return successors, (257), 224 states have call predecessors, (257), 225 states have call successors, (257) [2024-10-24 00:56:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 2061 transitions. [2024-10-24 00:56:12,869 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 2061 transitions. Word has length 111 [2024-10-24 00:56:12,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:12,870 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 2061 transitions. [2024-10-24 00:56:12,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 2061 transitions. [2024-10-24 00:56:12,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 00:56:12,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:12,876 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:12,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 00:56:12,876 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:12,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:12,877 INFO L85 PathProgramCache]: Analyzing trace with hash 391235410, now seen corresponding path program 1 times [2024-10-24 00:56:12,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:12,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820046009] [2024-10-24 00:56:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:12,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:56:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:56:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:56:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:56:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:56:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:56:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:12,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820046009] [2024-10-24 00:56:12,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820046009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:12,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:12,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:12,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549166249] [2024-10-24 00:56:12,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:12,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:12,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:12,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:12,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:12,970 INFO L87 Difference]: Start difference. First operand 1198 states and 2061 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:14,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:14,102 INFO L93 Difference]: Finished difference Result 2990 states and 5233 transitions. [2024-10-24 00:56:14,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:14,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-10-24 00:56:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:14,115 INFO L225 Difference]: With dead ends: 2990 [2024-10-24 00:56:14,115 INFO L226 Difference]: Without dead ends: 1910 [2024-10-24 00:56:14,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:14,120 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1236 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 419 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:14,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 880 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [419 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 00:56:14,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2024-10-24 00:56:14,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1817. [2024-10-24 00:56:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1445 states have (on average 1.6733564013840831) internal successors, (2418), 1453 states have internal predecessors, (2418), 345 states have call successors, (345), 22 states have call predecessors, (345), 26 states have return successors, (376), 343 states have call predecessors, (376), 344 states have call successors, (376) [2024-10-24 00:56:14,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 3139 transitions. [2024-10-24 00:56:14,236 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 3139 transitions. Word has length 112 [2024-10-24 00:56:14,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:14,236 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 3139 transitions. [2024-10-24 00:56:14,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3139 transitions. [2024-10-24 00:56:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 00:56:14,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:14,247 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:14,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 00:56:14,247 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:14,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:14,248 INFO L85 PathProgramCache]: Analyzing trace with hash -191913005, now seen corresponding path program 1 times [2024-10-24 00:56:14,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:14,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789143798] [2024-10-24 00:56:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:14,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:56:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:56:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:56:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:56:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:56:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:56:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:14,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:14,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789143798] [2024-10-24 00:56:14,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789143798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:14,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:14,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:14,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188337757] [2024-10-24 00:56:14,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:14,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:14,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:14,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:14,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:14,372 INFO L87 Difference]: Start difference. First operand 1817 states and 3139 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:15,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:15,539 INFO L93 Difference]: Finished difference Result 4430 states and 7804 transitions. [2024-10-24 00:56:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:15,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-10-24 00:56:15,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:15,556 INFO L225 Difference]: With dead ends: 4430 [2024-10-24 00:56:15,556 INFO L226 Difference]: Without dead ends: 2859 [2024-10-24 00:56:15,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:15,584 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1235 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:15,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 873 Invalid, 1688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 00:56:15,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2024-10-24 00:56:15,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2766. [2024-10-24 00:56:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2232 states have (on average 1.6769713261648747) internal successors, (3743), 2240 states have internal predecessors, (3743), 507 states have call successors, (507), 22 states have call predecessors, (507), 26 states have return successors, (554), 505 states have call predecessors, (554), 506 states have call successors, (554) [2024-10-24 00:56:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 4804 transitions. [2024-10-24 00:56:15,765 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 4804 transitions. Word has length 113 [2024-10-24 00:56:15,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:15,766 INFO L471 AbstractCegarLoop]: Abstraction has 2766 states and 4804 transitions. [2024-10-24 00:56:15,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 4804 transitions. [2024-10-24 00:56:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 00:56:15,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:15,776 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:15,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 00:56:15,777 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:15,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:15,777 INFO L85 PathProgramCache]: Analyzing trace with hash 344732179, now seen corresponding path program 1 times [2024-10-24 00:56:15,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:15,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133962942] [2024-10-24 00:56:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:15,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:56:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:56:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:56:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:56:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:56:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:56:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:15,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:15,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133962942] [2024-10-24 00:56:15,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133962942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:15,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:15,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:15,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132452699] [2024-10-24 00:56:15,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:15,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:15,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:15,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:15,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:15,874 INFO L87 Difference]: Start difference. First operand 2766 states and 4804 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:17,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:17,085 INFO L93 Difference]: Finished difference Result 6702 states and 11872 transitions. [2024-10-24 00:56:17,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:17,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-10-24 00:56:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:17,110 INFO L225 Difference]: With dead ends: 6702 [2024-10-24 00:56:17,110 INFO L226 Difference]: Without dead ends: 4391 [2024-10-24 00:56:17,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:17,120 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1236 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:17,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 872 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 00:56:17,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2024-10-24 00:56:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 4298. [2024-10-24 00:56:17,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4298 states, 3519 states have (on average 1.6797385620915033) internal successors, (5911), 3527 states have internal predecessors, (5911), 752 states have call successors, (752), 22 states have call predecessors, (752), 26 states have return successors, (825), 750 states have call predecessors, (825), 751 states have call successors, (825) [2024-10-24 00:56:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 4298 states and 7488 transitions. [2024-10-24 00:56:17,305 INFO L78 Accepts]: Start accepts. Automaton has 4298 states and 7488 transitions. Word has length 114 [2024-10-24 00:56:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:17,305 INFO L471 AbstractCegarLoop]: Abstraction has 4298 states and 7488 transitions. [2024-10-24 00:56:17,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4298 states and 7488 transitions. [2024-10-24 00:56:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 00:56:17,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:17,318 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:17,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 00:56:17,319 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:17,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:17,319 INFO L85 PathProgramCache]: Analyzing trace with hash 381126639, now seen corresponding path program 1 times [2024-10-24 00:56:17,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:17,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884732671] [2024-10-24 00:56:17,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:56:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:56:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:56:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:56:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:56:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:56:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:17,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:17,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884732671] [2024-10-24 00:56:17,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884732671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:17,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:17,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:17,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658923622] [2024-10-24 00:56:17,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:17,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:17,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:17,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:17,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:17,446 INFO L87 Difference]: Start difference. First operand 4298 states and 7488 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:18,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:18,900 INFO L93 Difference]: Finished difference Result 10755 states and 19083 transitions. [2024-10-24 00:56:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:18,900 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-10-24 00:56:18,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:18,944 INFO L225 Difference]: With dead ends: 10755 [2024-10-24 00:56:18,944 INFO L226 Difference]: Without dead ends: 7151 [2024-10-24 00:56:18,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:18,961 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1234 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:18,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 913 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:56:18,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7151 states. [2024-10-24 00:56:19,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7151 to 7058. [2024-10-24 00:56:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7058 states, 5786 states have (on average 1.6742136190805392) internal successors, (9687), 5794 states have internal predecessors, (9687), 1245 states have call successors, (1245), 22 states have call predecessors, (1245), 26 states have return successors, (1362), 1243 states have call predecessors, (1362), 1244 states have call successors, (1362) [2024-10-24 00:56:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 12294 transitions. [2024-10-24 00:56:19,289 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 12294 transitions. Word has length 115 [2024-10-24 00:56:19,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:19,290 INFO L471 AbstractCegarLoop]: Abstraction has 7058 states and 12294 transitions. [2024-10-24 00:56:19,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 12294 transitions. [2024-10-24 00:56:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-24 00:56:19,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:19,307 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:19,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 00:56:19,307 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:19,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:19,308 INFO L85 PathProgramCache]: Analyzing trace with hash -2074157577, now seen corresponding path program 1 times [2024-10-24 00:56:19,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:19,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54334318] [2024-10-24 00:56:19,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:19,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:56:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:56:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:56:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:56:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:56:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:56:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:19,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:19,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54334318] [2024-10-24 00:56:19,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54334318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:19,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:19,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:19,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961910285] [2024-10-24 00:56:19,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:19,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:19,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:19,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:19,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:19,439 INFO L87 Difference]: Start difference. First operand 7058 states and 12294 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:20,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:20,728 INFO L93 Difference]: Finished difference Result 17958 states and 31830 transitions. [2024-10-24 00:56:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:20,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-10-24 00:56:20,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:20,774 INFO L225 Difference]: With dead ends: 17958 [2024-10-24 00:56:20,774 INFO L226 Difference]: Without dead ends: 11980 [2024-10-24 00:56:20,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:20,795 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1230 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:20,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 879 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 00:56:20,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11980 states. [2024-10-24 00:56:21,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11980 to 11887. [2024-10-24 00:56:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11887 states, 9793 states have (on average 1.67344021239661) internal successors, (16388), 9801 states have internal predecessors, (16388), 2067 states have call successors, (2067), 22 states have call predecessors, (2067), 26 states have return successors, (2262), 2065 states have call predecessors, (2262), 2066 states have call successors, (2262) [2024-10-24 00:56:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11887 states to 11887 states and 20717 transitions. [2024-10-24 00:56:21,334 INFO L78 Accepts]: Start accepts. Automaton has 11887 states and 20717 transitions. Word has length 116 [2024-10-24 00:56:21,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:21,335 INFO L471 AbstractCegarLoop]: Abstraction has 11887 states and 20717 transitions. [2024-10-24 00:56:21,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 11887 states and 20717 transitions. [2024-10-24 00:56:21,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 00:56:21,356 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:21,356 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:21,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 00:56:21,357 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:21,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:21,357 INFO L85 PathProgramCache]: Analyzing trace with hash -906889263, now seen corresponding path program 1 times [2024-10-24 00:56:21,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:21,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342405314] [2024-10-24 00:56:21,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:21,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:56:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:56:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:56:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:56:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:56:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:56:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:21,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:21,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342405314] [2024-10-24 00:56:21,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342405314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:21,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:21,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:21,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429879011] [2024-10-24 00:56:21,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:21,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:21,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:21,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:21,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:21,460 INFO L87 Difference]: Start difference. First operand 11887 states and 20717 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:23,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:23,036 INFO L93 Difference]: Finished difference Result 28504 states and 50278 transitions. [2024-10-24 00:56:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:23,036 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-10-24 00:56:23,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:23,115 INFO L225 Difference]: With dead ends: 28504 [2024-10-24 00:56:23,115 INFO L226 Difference]: Without dead ends: 18652 [2024-10-24 00:56:23,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:23,144 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1228 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:23,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 860 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 00:56:23,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18652 states. [2024-10-24 00:56:23,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18652 to 18559. [2024-10-24 00:56:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18559 states, 15262 states have (on average 1.6496527322762415) internal successors, (25177), 15270 states have internal predecessors, (25177), 3270 states have call successors, (3270), 22 states have call predecessors, (3270), 26 states have return successors, (3609), 3268 states have call predecessors, (3609), 3269 states have call successors, (3609) [2024-10-24 00:56:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18559 states to 18559 states and 32056 transitions. [2024-10-24 00:56:23,953 INFO L78 Accepts]: Start accepts. Automaton has 18559 states and 32056 transitions. Word has length 117 [2024-10-24 00:56:23,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:23,953 INFO L471 AbstractCegarLoop]: Abstraction has 18559 states and 32056 transitions. [2024-10-24 00:56:23,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 18559 states and 32056 transitions. [2024-10-24 00:56:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 00:56:23,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:23,981 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:23,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 00:56:23,982 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:23,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:23,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1481731160, now seen corresponding path program 1 times [2024-10-24 00:56:23,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:23,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504241708] [2024-10-24 00:56:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:56:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:56:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 00:56:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:56:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:56:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 00:56:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:24,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:24,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504241708] [2024-10-24 00:56:24,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504241708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:24,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:24,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:24,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135990207] [2024-10-24 00:56:24,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:24,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:24,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:24,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:24,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:24,082 INFO L87 Difference]: Start difference. First operand 18559 states and 32056 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:26,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:26,023 INFO L93 Difference]: Finished difference Result 49137 states and 86397 transitions. [2024-10-24 00:56:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:26,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-10-24 00:56:26,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:26,197 INFO L225 Difference]: With dead ends: 49137 [2024-10-24 00:56:26,197 INFO L226 Difference]: Without dead ends: 33233 [2024-10-24 00:56:26,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:26,274 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1227 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:26,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 874 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 00:56:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33233 states. [2024-10-24 00:56:27,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33233 to 33140. [2024-10-24 00:56:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33140 states, 27393 states have (on average 1.6465155331654073) internal successors, (45103), 27401 states have internal predecessors, (45103), 5720 states have call successors, (5720), 22 states have call predecessors, (5720), 26 states have return successors, (6333), 5718 states have call predecessors, (6333), 5719 states have call successors, (6333) [2024-10-24 00:56:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33140 states to 33140 states and 57156 transitions. [2024-10-24 00:56:27,803 INFO L78 Accepts]: Start accepts. Automaton has 33140 states and 57156 transitions. Word has length 118 [2024-10-24 00:56:27,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:27,806 INFO L471 AbstractCegarLoop]: Abstraction has 33140 states and 57156 transitions. [2024-10-24 00:56:27,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:27,807 INFO L276 IsEmpty]: Start isEmpty. Operand 33140 states and 57156 transitions. [2024-10-24 00:56:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 00:56:27,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:27,828 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:27,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 00:56:27,828 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:27,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1553921845, now seen corresponding path program 1 times [2024-10-24 00:56:27,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:27,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602318344] [2024-10-24 00:56:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:56:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:56:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:56:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:56:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:56:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 00:56:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:27,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:27,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602318344] [2024-10-24 00:56:27,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602318344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:27,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:27,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:27,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852853037] [2024-10-24 00:56:27,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:27,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:27,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:27,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:27,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:27,926 INFO L87 Difference]: Start difference. First operand 33140 states and 57156 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:30,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:30,961 INFO L93 Difference]: Finished difference Result 90439 states and 158226 transitions. [2024-10-24 00:56:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:30,962 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-10-24 00:56:30,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:31,258 INFO L225 Difference]: With dead ends: 90439 [2024-10-24 00:56:31,258 INFO L226 Difference]: Without dead ends: 60845 [2024-10-24 00:56:31,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:31,367 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1224 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:31,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 879 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:56:31,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60845 states. [2024-10-24 00:56:33,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60845 to 60752. [2024-10-24 00:56:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60752 states, 50492 states have (on average 1.6424978214370594) internal successors, (82933), 50500 states have internal predecessors, (82933), 10233 states have call successors, (10233), 22 states have call predecessors, (10233), 26 states have return successors, (11378), 10231 states have call predecessors, (11378), 10232 states have call successors, (11378) [2024-10-24 00:56:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60752 states to 60752 states and 104544 transitions. [2024-10-24 00:56:33,889 INFO L78 Accepts]: Start accepts. Automaton has 60752 states and 104544 transitions. Word has length 119 [2024-10-24 00:56:33,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:33,889 INFO L471 AbstractCegarLoop]: Abstraction has 60752 states and 104544 transitions. [2024-10-24 00:56:33,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand 60752 states and 104544 transitions. [2024-10-24 00:56:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 00:56:33,917 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:33,917 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:33,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 00:56:33,917 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:33,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:33,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1098082024, now seen corresponding path program 1 times [2024-10-24 00:56:33,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:33,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306519844] [2024-10-24 00:56:33,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:33,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:33,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:33,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:34,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:56:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:56:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:34,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:56:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:34,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:56:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:34,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:56:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:34,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 00:56:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:34,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:34,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306519844] [2024-10-24 00:56:34,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306519844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:34,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:34,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:34,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192513201] [2024-10-24 00:56:34,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:34,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:34,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:34,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:34,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:34,040 INFO L87 Difference]: Start difference. First operand 60752 states and 104544 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:37,602 INFO L93 Difference]: Finished difference Result 113791 states and 199579 transitions. [2024-10-24 00:56:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:37,603 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-10-24 00:56:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:38,118 INFO L225 Difference]: With dead ends: 113791 [2024-10-24 00:56:38,118 INFO L226 Difference]: Without dead ends: 113639 [2024-10-24 00:56:38,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:38,161 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1221 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:38,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 881 Invalid, 1678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 00:56:38,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113639 states. [2024-10-24 00:56:41,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113639 to 113546. [2024-10-24 00:56:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113546 states, 94918 states have (on average 1.6374344170757917) internal successors, (155422), 94926 states have internal predecessors, (155422), 18601 states have call successors, (18601), 22 states have call predecessors, (18601), 26 states have return successors, (20792), 18599 states have call predecessors, (20792), 18600 states have call successors, (20792) [2024-10-24 00:56:42,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113546 states to 113546 states and 194815 transitions. [2024-10-24 00:56:42,814 INFO L78 Accepts]: Start accepts. Automaton has 113546 states and 194815 transitions. Word has length 120 [2024-10-24 00:56:42,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:42,815 INFO L471 AbstractCegarLoop]: Abstraction has 113546 states and 194815 transitions. [2024-10-24 00:56:42,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-24 00:56:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 113546 states and 194815 transitions. [2024-10-24 00:56:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-24 00:56:42,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:42,846 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:42,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 00:56:42,847 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:42,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:42,847 INFO L85 PathProgramCache]: Analyzing trace with hash -383485206, now seen corresponding path program 1 times [2024-10-24 00:56:42,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:42,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193040199] [2024-10-24 00:56:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:42,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:56:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:56:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:56:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:56:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:56:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 00:56:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:56:43,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:43,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193040199] [2024-10-24 00:56:43,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193040199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:43,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:43,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 00:56:43,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382054859] [2024-10-24 00:56:43,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:43,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 00:56:43,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:43,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 00:56:43,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-10-24 00:56:43,213 INFO L87 Difference]: Start difference. First operand 113546 states and 194815 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-24 00:56:52,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:52,839 INFO L93 Difference]: Finished difference Result 226429 states and 400559 transitions. [2024-10-24 00:56:52,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-24 00:56:52,840 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 121 [2024-10-24 00:56:52,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:54,333 INFO L225 Difference]: With dead ends: 226429 [2024-10-24 00:56:54,333 INFO L226 Difference]: Without dead ends: 226282 [2024-10-24 00:56:54,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=715, Invalid=2825, Unknown=0, NotChecked=0, Total=3540 [2024-10-24 00:56:54,424 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 4227 mSDsluCounter, 2502 mSDsCounter, 0 mSdLazyCounter, 6304 mSolverCounterSat, 1467 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 7771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1467 IncrementalHoareTripleChecker+Valid, 6304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:54,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4227 Valid, 2744 Invalid, 7771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1467 Valid, 6304 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-24 00:56:54,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226282 states. [2024-10-24 00:57:02,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226282 to 226014. [2024-10-24 00:57:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226014 states, 188995 states have (on average 1.6381332839493108) internal successors, (309599), 188901 states have internal predecessors, (309599), 36952 states have call successors, (36952), 57 states have call predecessors, (36952), 66 states have return successors, (44625), 37061 states have call predecessors, (44625), 36949 states have call successors, (44625) [2024-10-24 00:57:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226014 states to 226014 states and 391176 transitions. [2024-10-24 00:57:03,871 INFO L78 Accepts]: Start accepts. Automaton has 226014 states and 391176 transitions. Word has length 121 [2024-10-24 00:57:03,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:57:03,871 INFO L471 AbstractCegarLoop]: Abstraction has 226014 states and 391176 transitions. [2024-10-24 00:57:03,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-24 00:57:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 226014 states and 391176 transitions. [2024-10-24 00:57:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-24 00:57:03,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:57:03,927 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:57:03,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 00:57:03,928 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:57:03,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:57:03,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1353257439, now seen corresponding path program 1 times [2024-10-24 00:57:03,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:57:03,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486409450] [2024-10-24 00:57:03,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:57:03,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:57:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:57:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:57:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:57:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:57:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:57:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:57:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:57:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:57:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:57:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:57:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:57:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 00:57:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:57:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:57:04,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:57:04,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486409450] [2024-10-24 00:57:04,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486409450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:57:04,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:57:04,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 00:57:04,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660103841] [2024-10-24 00:57:04,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:57:04,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 00:57:04,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:57:04,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 00:57:04,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 00:57:04,079 INFO L87 Difference]: Start difference. First operand 226014 states and 391176 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)