./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_spec9_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da4068869d66a98d783b3eb3a8d0497ba7ef569dcf8b3f3f7d9e0053e2966936 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:55:35,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:55:35,406 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:55:35,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:55:35,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:55:35,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:55:35,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:55:35,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:55:35,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:55:35,464 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:55:35,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:55:35,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:55:35,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:55:35,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:55:35,467 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:55:35,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:55:35,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:55:35,468 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:55:35,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:55:35,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:55:35,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:55:35,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:55:35,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:55:35,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:55:35,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:55:35,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:55:35,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:55:35,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:55:35,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:55:35,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:55:35,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:55:35,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:55:35,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:55:35,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:55:35,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:55:35,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:55:35,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:55:35,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:55:35,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:55:35,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:55:35,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:55:35,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:55:35,479 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da4068869d66a98d783b3eb3a8d0497ba7ef569dcf8b3f3f7d9e0053e2966936 [2024-10-11 02:55:35,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:55:35,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:55:35,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:55:35,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:55:35,771 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:55:35,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c [2024-10-11 02:55:37,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:55:37,579 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:55:37,582 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c [2024-10-11 02:55:37,616 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b2f5c5689/f68d6e44cc7642d8bc099e64fa4ba069/FLAG7e91ab69b [2024-10-11 02:55:37,633 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b2f5c5689/f68d6e44cc7642d8bc099e64fa4ba069 [2024-10-11 02:55:37,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:55:37,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:55:37,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:55:37,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:55:37,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:55:37,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:55:37" (1/1) ... [2024-10-11 02:55:37,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5ca90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:37, skipping insertion in model container [2024-10-11 02:55:37,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:55:37" (1/1) ... [2024-10-11 02:55:37,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:55:38,328 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_spec9_product20.cil.c[63436,63449] [2024-10-11 02:55:38,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:55:38,359 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:55:38,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-10-11 02:55:38,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [97] [2024-10-11 02:55:38,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [415] [2024-10-11 02:55:38,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [459] [2024-10-11 02:55:38,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1528] [2024-10-11 02:55:38,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1894] [2024-10-11 02:55:38,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2005] [2024-10-11 02:55:38,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2314] [2024-10-11 02:55:38,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2717] [2024-10-11 02:55:38,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2936] [2024-10-11 02:55:38,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2945] [2024-10-11 02:55:38,474 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_spec9_product20.cil.c[63436,63449] [2024-10-11 02:55:38,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:55:38,517 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:55:38,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38 WrapperNode [2024-10-11 02:55:38,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:55:38,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:55:38,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:55:38,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:55:38,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,623 INFO L138 Inliner]: procedures = 129, calls = 200, calls flagged for inlining = 56, calls inlined = 49, statements flattened = 966 [2024-10-11 02:55:38,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:55:38,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:55:38,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:55:38,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:55:38,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,697 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-11 02:55:38,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:55:38,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:55:38,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:55:38,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:55:38,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (1/1) ... [2024-10-11 02:55:38,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:55:38,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:55:38,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:55:38,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:55:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-11 02:55:38,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-11 02:55:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-11 02:55:38,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-11 02:55:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-11 02:55:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-11 02:55:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-11 02:55:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-11 02:55:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-11 02:55:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-11 02:55:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-11 02:55:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-11 02:55:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-11 02:55:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-11 02:55:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-11 02:55:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-11 02:55:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-11 02:55:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-11 02:55:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-11 02:55:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-11 02:55:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-11 02:55:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-11 02:55:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-11 02:55:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-11 02:55:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:55:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-11 02:55:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-11 02:55:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-11 02:55:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-11 02:55:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-11 02:55:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-11 02:55:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-11 02:55:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-11 02:55:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-11 02:55:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-11 02:55:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-11 02:55:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-11 02:55:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-11 02:55:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-11 02:55:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-11 02:55:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-11 02:55:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:55:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 02:55:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 02:55:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 02:55:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-11 02:55:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-11 02:55:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-11 02:55:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-11 02:55:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:55:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:55:39,104 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:55:39,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:55:40,111 INFO L? ?]: Removed 483 outVars from TransFormulas that were not future-live. [2024-10-11 02:55:40,111 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:55:40,175 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:55:40,175 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 02:55:40,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:55:40 BoogieIcfgContainer [2024-10-11 02:55:40,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:55:40,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:55:40,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:55:40,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:55:40,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:55:37" (1/3) ... [2024-10-11 02:55:40,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6fafc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:55:40, skipping insertion in model container [2024-10-11 02:55:40,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:55:38" (2/3) ... [2024-10-11 02:55:40,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6fafc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:55:40, skipping insertion in model container [2024-10-11 02:55:40,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:55:40" (3/3) ... [2024-10-11 02:55:40,185 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product20.cil.c [2024-10-11 02:55:40,202 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:55:40,203 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:55:40,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:55:40,327 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;@43d8aa43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:55:40,327 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:55:40,334 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) [2024-10-11 02:55:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 02:55:40,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:40,362 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] [2024-10-11 02:55:40,363 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:40,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:40,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1380175160, now seen corresponding path program 1 times [2024-10-11 02:55:40,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:40,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433652710] [2024-10-11 02:55:40,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:40,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:55:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:55:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:55:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 02:55:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 02:55:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:55:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:55:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:55:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:55:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:55:41,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:41,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433652710] [2024-10-11 02:55:41,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433652710] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:55:41,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743588556] [2024-10-11 02:55:41,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:41,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:41,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:55:41,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:55:41,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:55:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:41,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 02:55:41,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:55:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:55:41,649 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:55:41,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743588556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:41,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:55:41,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-11 02:55:41,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363382699] [2024-10-11 02:55:41,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:41,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:55:41,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:41,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:55:41,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:55:41,689 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) [2024-10-11 02:55:41,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:41,816 INFO L93 Difference]: Finished difference Result 494 states and 769 transitions. [2024-10-11 02:55:41,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:55:41,820 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 [2024-10-11 02:55:41,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:41,836 INFO L225 Difference]: With dead ends: 494 [2024-10-11 02:55:41,836 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 02:55:41,842 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 [2024-10-11 02:55:41,848 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 [2024-10-11 02:55:41,849 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] [2024-10-11 02:55:41,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 02:55:41,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2024-10-11 02:55:41,914 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) [2024-10-11 02:55:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 527 transitions. [2024-10-11 02:55:41,925 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 527 transitions. Word has length 92 [2024-10-11 02:55:41,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:41,927 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 527 transitions. [2024-10-11 02:55:41,927 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) [2024-10-11 02:55:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 527 transitions. [2024-10-11 02:55:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 02:55:41,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:41,934 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] [2024-10-11 02:55:41,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 02:55:42,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 02:55:42,136 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:42,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:42,137 INFO L85 PathProgramCache]: Analyzing trace with hash -516200392, now seen corresponding path program 1 times [2024-10-11 02:55:42,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:42,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391061641] [2024-10-11 02:55:42,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:42,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:55:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:55:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:55:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 02:55:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:55:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:55:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:55:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:55:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:55:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:55:42,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:42,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391061641] [2024-10-11 02:55:42,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391061641] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:55:42,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218575118] [2024-10-11 02:55:42,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:42,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:42,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:55:42,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:55:42,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:55:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:42,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 02:55:42,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:55:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:55:42,835 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:55:42,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218575118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:42,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:55:42,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:55:42,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076992598] [2024-10-11 02:55:42,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:42,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:55:42,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:42,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:55:42,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:55:42,839 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) [2024-10-11 02:55:42,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:42,915 INFO L93 Difference]: Finished difference Result 490 states and 753 transitions. [2024-10-11 02:55:42,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:55:42,917 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 [2024-10-11 02:55:42,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:42,924 INFO L225 Difference]: With dead ends: 490 [2024-10-11 02:55:42,925 INFO L226 Difference]: Without dead ends: 338 [2024-10-11 02:55:42,926 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 [2024-10-11 02:55:42,928 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 [2024-10-11 02:55:42,930 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] [2024-10-11 02:55:42,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-11 02:55:42,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-10-11 02:55:42,960 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) [2024-10-11 02:55:42,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 529 transitions. [2024-10-11 02:55:42,964 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 529 transitions. Word has length 93 [2024-10-11 02:55:42,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:42,966 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 529 transitions. [2024-10-11 02:55:42,966 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) [2024-10-11 02:55:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 529 transitions. [2024-10-11 02:55:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 02:55:42,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:42,971 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] [2024-10-11 02:55:42,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 02:55:43,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:43,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:43,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1669581909, now seen corresponding path program 1 times [2024-10-11 02:55:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350367121] [2024-10-11 02:55:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:43,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:55:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:55:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:55:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 02:55:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:55:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:55:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:55:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:55:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:55:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:55:43,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:43,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350367121] [2024-10-11 02:55:43,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350367121] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:55:43,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163089089] [2024-10-11 02:55:43,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:43,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:43,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:55:43,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:55:43,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 02:55:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:43,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:55:43,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:55:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:55:43,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:55:43,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163089089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:43,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:55:43,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:55:43,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966560364] [2024-10-11 02:55:43,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:43,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:55:43,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:43,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:55:43,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:55:43,801 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) [2024-10-11 02:55:43,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:43,861 INFO L93 Difference]: Finished difference Result 724 states and 1150 transitions. [2024-10-11 02:55:43,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:55:43,861 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 [2024-10-11 02:55:43,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:43,867 INFO L225 Difference]: With dead ends: 724 [2024-10-11 02:55:43,867 INFO L226 Difference]: Without dead ends: 408 [2024-10-11 02:55:43,869 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 [2024-10-11 02:55:43,870 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 [2024-10-11 02:55:43,872 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] [2024-10-11 02:55:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-11 02:55:43,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 403. [2024-10-11 02:55:43,904 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) [2024-10-11 02:55:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 644 transitions. [2024-10-11 02:55:43,908 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 644 transitions. Word has length 100 [2024-10-11 02:55:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:43,909 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 644 transitions. [2024-10-11 02:55:43,910 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) [2024-10-11 02:55:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 644 transitions. [2024-10-11 02:55:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 02:55:43,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:43,914 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] [2024-10-11 02:55:43,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 02:55:44,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:44,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:44,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:44,119 INFO L85 PathProgramCache]: Analyzing trace with hash 250404193, now seen corresponding path program 1 times [2024-10-11 02:55:44,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:44,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730594066] [2024-10-11 02:55:44,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:44,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:55:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:55:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:55:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 02:55:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:55:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:55:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:55:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:55:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:55:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:55:44,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:44,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730594066] [2024-10-11 02:55:44,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730594066] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:55:44,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494671880] [2024-10-11 02:55:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:44,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:44,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:55:44,407 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:55:44,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 02:55:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:44,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 02:55:44,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:55:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 02:55:44,783 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:55:44,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494671880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:44,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:55:44,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 02:55:44,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204282898] [2024-10-11 02:55:44,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:44,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:55:44,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:44,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:55:44,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:55:44,788 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) [2024-10-11 02:55:44,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:44,898 INFO L93 Difference]: Finished difference Result 801 states and 1282 transitions. [2024-10-11 02:55:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:55:44,900 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 [2024-10-11 02:55:44,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:44,905 INFO L225 Difference]: With dead ends: 801 [2024-10-11 02:55:44,905 INFO L226 Difference]: Without dead ends: 405 [2024-10-11 02:55:44,907 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 [2024-10-11 02:55:44,908 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 [2024-10-11 02:55:44,909 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] [2024-10-11 02:55:44,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-11 02:55:44,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-10-11 02:55:44,925 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) [2024-10-11 02:55:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 647 transitions. [2024-10-11 02:55:44,928 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 647 transitions. Word has length 101 [2024-10-11 02:55:44,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:44,928 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 647 transitions. [2024-10-11 02:55:44,929 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) [2024-10-11 02:55:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 647 transitions. [2024-10-11 02:55:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 02:55:44,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:44,931 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] [2024-10-11 02:55:44,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 02:55:45,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:45,132 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:45,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:45,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1285365027, now seen corresponding path program 1 times [2024-10-11 02:55:45,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:45,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117754051] [2024-10-11 02:55:45,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:45,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 02:55:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 02:55:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 02:55:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:55:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:55:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:55:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:55:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:55:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:55:45,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:45,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117754051] [2024-10-11 02:55:45,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117754051] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:55:45,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174853418] [2024-10-11 02:55:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:45,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:45,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:55:45,409 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:55:45,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 02:55:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:45,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 02:55:45,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:55:45,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 02:55:45,752 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:55:45,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174853418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:45,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:55:45,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 02:55:45,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646939932] [2024-10-11 02:55:45,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:45,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:55:45,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:45,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:55:45,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:55:45,755 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) [2024-10-11 02:55:45,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:45,872 INFO L93 Difference]: Finished difference Result 803 states and 1287 transitions. [2024-10-11 02:55:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:55:45,874 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 [2024-10-11 02:55:45,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:45,878 INFO L225 Difference]: With dead ends: 803 [2024-10-11 02:55:45,879 INFO L226 Difference]: Without dead ends: 407 [2024-10-11 02:55:45,880 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 [2024-10-11 02:55:45,881 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 [2024-10-11 02:55:45,881 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] [2024-10-11 02:55:45,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-11 02:55:45,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-10-11 02:55:45,907 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) [2024-10-11 02:55:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 653 transitions. [2024-10-11 02:55:45,910 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 653 transitions. Word has length 102 [2024-10-11 02:55:45,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:45,911 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 653 transitions. [2024-10-11 02:55:45,911 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) [2024-10-11 02:55:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 653 transitions. [2024-10-11 02:55:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 02:55:45,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:45,914 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] [2024-10-11 02:55:45,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 02:55:46,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:46,120 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:46,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:46,120 INFO L85 PathProgramCache]: Analyzing trace with hash -251798975, now seen corresponding path program 1 times [2024-10-11 02:55:46,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:46,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179527391] [2024-10-11 02:55:46,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 02:55:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:55:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 02:55:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:55:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:55:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:55:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:55:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:55:46,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:46,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179527391] [2024-10-11 02:55:46,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179527391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:46,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:46,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:55:46,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449404400] [2024-10-11 02:55:46,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:46,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:55:46,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:46,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:55:46,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:55:46,338 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) [2024-10-11 02:55:48,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:48,397 INFO L93 Difference]: Finished difference Result 883 states and 1448 transitions. [2024-10-11 02:55:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:55:48,398 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 [2024-10-11 02:55:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:48,402 INFO L225 Difference]: With dead ends: 883 [2024-10-11 02:55:48,403 INFO L226 Difference]: Without dead ends: 495 [2024-10-11 02:55:48,404 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 [2024-10-11 02:55:48,405 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1117 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:48,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 1199 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 2298 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 02:55:48,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-10-11 02:55:48,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 407. [2024-10-11 02:55:48,449 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) [2024-10-11 02:55:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 652 transitions. [2024-10-11 02:55:48,452 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 652 transitions. Word has length 103 [2024-10-11 02:55:48,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:48,452 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 652 transitions. [2024-10-11 02:55:48,453 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) [2024-10-11 02:55:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 652 transitions. [2024-10-11 02:55:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 02:55:48,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:48,456 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] [2024-10-11 02:55:48,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:55:48,457 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:48,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:48,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1297357989, now seen corresponding path program 2 times [2024-10-11 02:55:48,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:48,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845719956] [2024-10-11 02:55:48,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:48,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 02:55:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:55:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:55:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:55:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:55:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:55:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:55:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:55:48,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:48,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845719956] [2024-10-11 02:55:48,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845719956] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:48,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:48,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:55:48,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122875279] [2024-10-11 02:55:48,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:48,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:55:48,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:48,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:55:48,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:55:48,659 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) [2024-10-11 02:55:50,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:50,674 INFO L93 Difference]: Finished difference Result 885 states and 1451 transitions. [2024-10-11 02:55:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:55:50,675 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 [2024-10-11 02:55:50,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:50,681 INFO L225 Difference]: With dead ends: 885 [2024-10-11 02:55:50,681 INFO L226 Difference]: Without dead ends: 497 [2024-10-11 02:55:50,683 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 [2024-10-11 02:55:50,684 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1114 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:50,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1199 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 02:55:50,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-11 02:55:50,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 409. [2024-10-11 02:55:50,716 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) [2024-10-11 02:55:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 655 transitions. [2024-10-11 02:55:50,719 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 655 transitions. Word has length 104 [2024-10-11 02:55:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:50,720 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 655 transitions. [2024-10-11 02:55:50,720 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) [2024-10-11 02:55:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 655 transitions. [2024-10-11 02:55:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 02:55:50,722 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:50,723 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] [2024-10-11 02:55:50,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:55:50,723 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:50,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:50,723 INFO L85 PathProgramCache]: Analyzing trace with hash 167411846, now seen corresponding path program 1 times [2024-10-11 02:55:50,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:50,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477465317] [2024-10-11 02:55:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:50,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:55:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:55:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:55:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:55:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:55:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:55:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:55:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477465317] [2024-10-11 02:55:50,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477465317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:50,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:50,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:55:50,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97669108] [2024-10-11 02:55:50,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:50,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:55:50,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:50,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:55:50,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:55:50,983 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) [2024-10-11 02:55:53,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:53,476 INFO L93 Difference]: Finished difference Result 883 states and 1446 transitions. [2024-10-11 02:55:53,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:55:53,476 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 [2024-10-11 02:55:53,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:53,480 INFO L225 Difference]: With dead ends: 883 [2024-10-11 02:55:53,481 INFO L226 Difference]: Without dead ends: 497 [2024-10-11 02:55:53,482 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 [2024-10-11 02:55:53,483 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1119 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 4145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:53,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 1663 Invalid, 4145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 3773 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 02:55:53,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-11 02:55:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 409. [2024-10-11 02:55:53,517 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) [2024-10-11 02:55:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 654 transitions. [2024-10-11 02:55:53,520 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 654 transitions. Word has length 105 [2024-10-11 02:55:53,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:53,521 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 654 transitions. [2024-10-11 02:55:53,521 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) [2024-10-11 02:55:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 654 transitions. [2024-10-11 02:55:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 02:55:53,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:53,523 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] [2024-10-11 02:55:53,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:55:53,524 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:53,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:53,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1945068078, now seen corresponding path program 2 times [2024-10-11 02:55:53,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:53,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076548098] [2024-10-11 02:55:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:53,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:55:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:55:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:55:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:55:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:55:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:55:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:55:53,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:53,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076548098] [2024-10-11 02:55:53,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076548098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:53,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:53,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:55:53,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320709124] [2024-10-11 02:55:53,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:53,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:55:53,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:53,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:55:53,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:55:53,764 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) [2024-10-11 02:55:56,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:56,068 INFO L93 Difference]: Finished difference Result 885 states and 1452 transitions. [2024-10-11 02:55:56,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:55:56,069 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 [2024-10-11 02:55:56,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:56,073 INFO L225 Difference]: With dead ends: 885 [2024-10-11 02:55:56,073 INFO L226 Difference]: Without dead ends: 499 [2024-10-11 02:55:56,075 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 [2024-10-11 02:55:56,076 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1115 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 4226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:56,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 1665 Invalid, 4226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [349 Valid, 3877 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 02:55:56,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-11 02:55:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 411. [2024-10-11 02:55:56,104 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) [2024-10-11 02:55:56,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 660 transitions. [2024-10-11 02:55:56,107 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 660 transitions. Word has length 106 [2024-10-11 02:55:56,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:56,107 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 660 transitions. [2024-10-11 02:55:56,108 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) [2024-10-11 02:55:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 660 transitions. [2024-10-11 02:55:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 02:55:56,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:56,110 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] [2024-10-11 02:55:56,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 02:55:56,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:56,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:56,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1752853301, now seen corresponding path program 1 times [2024-10-11 02:55:56,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:56,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873156106] [2024-10-11 02:55:56,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:56,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:55:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:55:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:55:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:55:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:55:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:55:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 02:55:56,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:56,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873156106] [2024-10-11 02:55:56,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873156106] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:55:56,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130710482] [2024-10-11 02:55:56,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:56,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:55:56,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:55:56,389 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:55:56,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 02:55:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:56,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:55:56,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:55:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:56,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:55:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:56,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130710482] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:55:56,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:55:56,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-11 02:55:56,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824600157] [2024-10-11 02:55:56,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:55:56,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 02:55:56,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:56,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 02:55:56,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:55:56,766 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) [2024-10-11 02:55:59,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:59,287 INFO L93 Difference]: Finished difference Result 1304 states and 2228 transitions. [2024-10-11 02:55:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 02:55:59,288 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 [2024-10-11 02:55:59,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:59,294 INFO L225 Difference]: With dead ends: 1304 [2024-10-11 02:55:59,295 INFO L226 Difference]: Without dead ends: 919 [2024-10-11 02:55:59,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-11 02:55:59,297 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 2325 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 4330 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2345 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 5041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 4330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:59,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2345 Valid, 1951 Invalid, 5041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 4330 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 02:55:59,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-10-11 02:55:59,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 816. [2024-10-11 02:55:59,344 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) [2024-10-11 02:55:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1381 transitions. [2024-10-11 02:55:59,349 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1381 transitions. Word has length 107 [2024-10-11 02:55:59,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:59,350 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1381 transitions. [2024-10-11 02:55:59,350 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) [2024-10-11 02:55:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1381 transitions. [2024-10-11 02:55:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 02:55:59,355 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:59,356 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] [2024-10-11 02:55:59,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 02:55:59,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 02:55:59,557 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:59,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:59,558 INFO L85 PathProgramCache]: Analyzing trace with hash 852072858, now seen corresponding path program 1 times [2024-10-11 02:55:59,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:59,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292027854] [2024-10-11 02:55:59,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:59,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:55:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:55:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:55:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:55:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:55:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:55:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:59,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292027854] [2024-10-11 02:55:59,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292027854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:59,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:59,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:55:59,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751399168] [2024-10-11 02:55:59,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:59,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:55:59,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:59,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:55:59,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:55:59,688 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) [2024-10-11 02:56:01,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:01,119 INFO L93 Difference]: Finished difference Result 2039 states and 3547 transitions. [2024-10-11 02:56:01,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:01,120 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 [2024-10-11 02:56:01,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:01,128 INFO L225 Difference]: With dead ends: 2039 [2024-10-11 02:56:01,128 INFO L226 Difference]: Without dead ends: 1291 [2024-10-11 02:56:01,133 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 [2024-10-11 02:56:01,134 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1242 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:01,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 910 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:56:01,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2024-10-11 02:56:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1198. [2024-10-11 02:56:01,195 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) [2024-10-11 02:56:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 2061 transitions. [2024-10-11 02:56:01,201 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 2061 transitions. Word has length 111 [2024-10-11 02:56:01,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:01,201 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 2061 transitions. [2024-10-11 02:56:01,202 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) [2024-10-11 02:56:01,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 2061 transitions. [2024-10-11 02:56:01,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 02:56:01,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:01,208 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] [2024-10-11 02:56:01,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 02:56:01,208 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:01,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:01,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1992007875, now seen corresponding path program 1 times [2024-10-11 02:56:01,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:01,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685264186] [2024-10-11 02:56:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:01,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:56:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:56:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:56:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:56:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:56:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:56:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:01,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:01,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685264186] [2024-10-11 02:56:01,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685264186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:01,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:01,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:01,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111745900] [2024-10-11 02:56:01,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:01,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:01,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:01,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:01,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:01,324 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) [2024-10-11 02:56:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:02,561 INFO L93 Difference]: Finished difference Result 2990 states and 5233 transitions. [2024-10-11 02:56:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:02,562 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 [2024-10-11 02:56:02,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:02,575 INFO L225 Difference]: With dead ends: 2990 [2024-10-11 02:56:02,576 INFO L226 Difference]: Without dead ends: 1910 [2024-10-11 02:56:02,581 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 [2024-10-11 02:56:02,582 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1238 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:02,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 880 Invalid, 1706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:56:02,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2024-10-11 02:56:02,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1817. [2024-10-11 02:56:02,670 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) [2024-10-11 02:56:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 3139 transitions. [2024-10-11 02:56:02,684 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 3139 transitions. Word has length 112 [2024-10-11 02:56:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:02,684 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 3139 transitions. [2024-10-11 02:56:02,685 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) [2024-10-11 02:56:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3139 transitions. [2024-10-11 02:56:02,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 02:56:02,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:02,696 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] [2024-10-11 02:56:02,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 02:56:02,696 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:02,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:02,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1058010808, now seen corresponding path program 1 times [2024-10-11 02:56:02,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:02,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307685132] [2024-10-11 02:56:02,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:02,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:56:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:56:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:56:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:56:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:56:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:56:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:02,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:02,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307685132] [2024-10-11 02:56:02,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307685132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:02,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:02,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:02,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225958589] [2024-10-11 02:56:02,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:02,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:02,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:02,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:02,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:02,865 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) [2024-10-11 02:56:04,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:04,112 INFO L93 Difference]: Finished difference Result 4430 states and 7804 transitions. [2024-10-11 02:56:04,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:04,113 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 [2024-10-11 02:56:04,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:04,130 INFO L225 Difference]: With dead ends: 4430 [2024-10-11 02:56:04,130 INFO L226 Difference]: Without dead ends: 2859 [2024-10-11 02:56:04,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:56:04,138 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1237 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:04,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 873 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:56:04,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2024-10-11 02:56:04,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2766. [2024-10-11 02:56:04,253 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) [2024-10-11 02:56:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 4804 transitions. [2024-10-11 02:56:04,265 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 4804 transitions. Word has length 113 [2024-10-11 02:56:04,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:04,265 INFO L471 AbstractCegarLoop]: Abstraction has 2766 states and 4804 transitions. [2024-10-11 02:56:04,265 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) [2024-10-11 02:56:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 4804 transitions. [2024-10-11 02:56:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 02:56:04,277 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:04,277 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] [2024-10-11 02:56:04,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 02:56:04,278 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:04,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:04,278 INFO L85 PathProgramCache]: Analyzing trace with hash -734495938, now seen corresponding path program 1 times [2024-10-11 02:56:04,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:04,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994455026] [2024-10-11 02:56:04,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:04,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:56:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:56:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:56:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:56:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:56:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:56:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:04,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:04,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994455026] [2024-10-11 02:56:04,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994455026] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:04,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:04,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:04,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923038968] [2024-10-11 02:56:04,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:04,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:04,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:04,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:04,430 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) [2024-10-11 02:56:05,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:05,691 INFO L93 Difference]: Finished difference Result 6702 states and 11872 transitions. [2024-10-11 02:56:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:05,692 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 [2024-10-11 02:56:05,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:05,718 INFO L225 Difference]: With dead ends: 6702 [2024-10-11 02:56:05,718 INFO L226 Difference]: Without dead ends: 4391 [2024-10-11 02:56:05,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:56:05,731 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1236 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:05,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 872 Invalid, 1684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:56:05,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2024-10-11 02:56:05,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 4298. [2024-10-11 02:56:05,993 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) [2024-10-11 02:56:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 4298 states and 7488 transitions. [2024-10-11 02:56:06,016 INFO L78 Accepts]: Start accepts. Automaton has 4298 states and 7488 transitions. Word has length 114 [2024-10-11 02:56:06,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:06,017 INFO L471 AbstractCegarLoop]: Abstraction has 4298 states and 7488 transitions. [2024-10-11 02:56:06,017 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) [2024-10-11 02:56:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 4298 states and 7488 transitions. [2024-10-11 02:56:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 02:56:06,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:06,032 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] [2024-10-11 02:56:06,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 02:56:06,032 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:06,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:06,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1284793380, now seen corresponding path program 1 times [2024-10-11 02:56:06,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:06,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157339576] [2024-10-11 02:56:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:56:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:56:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:56:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:56:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:56:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:56:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:06,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:06,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157339576] [2024-10-11 02:56:06,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157339576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:06,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:06,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:06,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936856211] [2024-10-11 02:56:06,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:06,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:06,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:06,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:06,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:06,154 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) [2024-10-11 02:56:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:07,586 INFO L93 Difference]: Finished difference Result 10755 states and 19083 transitions. [2024-10-11 02:56:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:07,587 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 [2024-10-11 02:56:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:07,626 INFO L225 Difference]: With dead ends: 10755 [2024-10-11 02:56:07,626 INFO L226 Difference]: Without dead ends: 7151 [2024-10-11 02:56:07,641 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 [2024-10-11 02:56:07,641 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1232 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:07,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 913 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:56:07,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7151 states. [2024-10-11 02:56:07,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7151 to 7058. [2024-10-11 02:56:07,930 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) [2024-10-11 02:56:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 12294 transitions. [2024-10-11 02:56:07,960 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 12294 transitions. Word has length 115 [2024-10-11 02:56:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:07,961 INFO L471 AbstractCegarLoop]: Abstraction has 7058 states and 12294 transitions. [2024-10-11 02:56:07,961 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) [2024-10-11 02:56:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 12294 transitions. [2024-10-11 02:56:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 02:56:07,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:07,981 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] [2024-10-11 02:56:07,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 02:56:07,982 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:07,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:07,982 INFO L85 PathProgramCache]: Analyzing trace with hash 169707618, now seen corresponding path program 1 times [2024-10-11 02:56:07,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:07,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707047103] [2024-10-11 02:56:07,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:07,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:56:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:56:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:56:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:56:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:56:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:56:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:08,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:08,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707047103] [2024-10-11 02:56:08,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707047103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:08,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:08,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:08,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706676640] [2024-10-11 02:56:08,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:08,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:08,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:08,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:08,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:08,164 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) [2024-10-11 02:56:09,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:09,534 INFO L93 Difference]: Finished difference Result 17958 states and 31830 transitions. [2024-10-11 02:56:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:09,534 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 [2024-10-11 02:56:09,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:09,589 INFO L225 Difference]: With dead ends: 17958 [2024-10-11 02:56:09,589 INFO L226 Difference]: Without dead ends: 11980 [2024-10-11 02:56:09,612 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 [2024-10-11 02:56:09,613 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1230 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 [2024-10-11 02:56:09,613 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] [2024-10-11 02:56:09,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11980 states. [2024-10-11 02:56:10,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11980 to 11887. [2024-10-11 02:56:10,197 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) [2024-10-11 02:56:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11887 states to 11887 states and 20717 transitions. [2024-10-11 02:56:10,257 INFO L78 Accepts]: Start accepts. Automaton has 11887 states and 20717 transitions. Word has length 116 [2024-10-11 02:56:10,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:10,257 INFO L471 AbstractCegarLoop]: Abstraction has 11887 states and 20717 transitions. [2024-10-11 02:56:10,258 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) [2024-10-11 02:56:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 11887 states and 20717 transitions. [2024-10-11 02:56:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-11 02:56:10,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:10,284 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] [2024-10-11 02:56:10,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 02:56:10,285 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:10,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:10,285 INFO L85 PathProgramCache]: Analyzing trace with hash -66544954, now seen corresponding path program 1 times [2024-10-11 02:56:10,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:10,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698987525] [2024-10-11 02:56:10,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:10,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:56:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:56:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:56:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:56:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:56:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:56:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:10,395 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:10,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:10,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698987525] [2024-10-11 02:56:10,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698987525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:10,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:10,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:10,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626331134] [2024-10-11 02:56:10,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:10,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:10,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:10,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:10,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:10,398 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) [2024-10-11 02:56:11,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:11,850 INFO L93 Difference]: Finished difference Result 28504 states and 50278 transitions. [2024-10-11 02:56:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:11,851 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 [2024-10-11 02:56:11,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:11,936 INFO L225 Difference]: With dead ends: 28504 [2024-10-11 02:56:11,937 INFO L226 Difference]: Without dead ends: 18652 [2024-10-11 02:56:11,979 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 [2024-10-11 02:56:11,980 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1229 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:11,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 860 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [449 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:56:11,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18652 states. [2024-10-11 02:56:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18652 to 18559. [2024-10-11 02:56:12,858 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) [2024-10-11 02:56:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18559 states to 18559 states and 32056 transitions. [2024-10-11 02:56:12,936 INFO L78 Accepts]: Start accepts. Automaton has 18559 states and 32056 transitions. Word has length 117 [2024-10-11 02:56:12,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:12,937 INFO L471 AbstractCegarLoop]: Abstraction has 18559 states and 32056 transitions. [2024-10-11 02:56:12,937 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) [2024-10-11 02:56:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 18559 states and 32056 transitions. [2024-10-11 02:56:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 02:56:12,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:12,969 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] [2024-10-11 02:56:12,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 02:56:12,970 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:12,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:12,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1762600963, now seen corresponding path program 1 times [2024-10-11 02:56:12,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:12,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895591231] [2024-10-11 02:56:12,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:12,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:56:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:56:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:56:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:56:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:56:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:56:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:13,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:13,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895591231] [2024-10-11 02:56:13,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895591231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:13,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:13,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:13,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521109170] [2024-10-11 02:56:13,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:13,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:13,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:13,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:13,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:13,083 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) [2024-10-11 02:56:15,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:15,503 INFO L93 Difference]: Finished difference Result 49137 states and 86397 transitions. [2024-10-11 02:56:15,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:15,504 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 [2024-10-11 02:56:15,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:15,661 INFO L225 Difference]: With dead ends: 49137 [2024-10-11 02:56:15,661 INFO L226 Difference]: Without dead ends: 33233 [2024-10-11 02:56:15,720 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 [2024-10-11 02:56:15,720 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1224 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:15,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 874 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:56:15,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33233 states. [2024-10-11 02:56:16,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33233 to 33140. [2024-10-11 02:56:16,988 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) [2024-10-11 02:56:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33140 states to 33140 states and 57156 transitions. [2024-10-11 02:56:17,134 INFO L78 Accepts]: Start accepts. Automaton has 33140 states and 57156 transitions. Word has length 118 [2024-10-11 02:56:17,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:17,139 INFO L471 AbstractCegarLoop]: Abstraction has 33140 states and 57156 transitions. [2024-10-11 02:56:17,139 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) [2024-10-11 02:56:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 33140 states and 57156 transitions. [2024-10-11 02:56:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 02:56:17,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:17,170 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] [2024-10-11 02:56:17,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 02:56:17,170 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:17,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:17,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1436892544, now seen corresponding path program 1 times [2024-10-11 02:56:17,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:17,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196207102] [2024-10-11 02:56:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:17,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:56:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:56:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:56:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:56:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:56:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:56:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:17,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:17,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196207102] [2024-10-11 02:56:17,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196207102] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:17,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:17,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:17,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888286870] [2024-10-11 02:56:17,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:17,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:17,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:17,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:17,574 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) [2024-10-11 02:56:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:20,615 INFO L93 Difference]: Finished difference Result 90439 states and 158226 transitions. [2024-10-11 02:56:20,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:20,616 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 [2024-10-11 02:56:20,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:20,944 INFO L225 Difference]: With dead ends: 90439 [2024-10-11 02:56:20,944 INFO L226 Difference]: Without dead ends: 60845 [2024-10-11 02:56:21,027 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 [2024-10-11 02:56:21,028 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1225 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:21,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 879 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:56:21,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60845 states. [2024-10-11 02:56:23,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60845 to 60752. [2024-10-11 02:56:23,400 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) [2024-10-11 02:56:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60752 states to 60752 states and 104544 transitions. [2024-10-11 02:56:23,693 INFO L78 Accepts]: Start accepts. Automaton has 60752 states and 104544 transitions. Word has length 119 [2024-10-11 02:56:23,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:23,694 INFO L471 AbstractCegarLoop]: Abstraction has 60752 states and 104544 transitions. [2024-10-11 02:56:23,694 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) [2024-10-11 02:56:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 60752 states and 104544 transitions. [2024-10-11 02:56:24,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 02:56:24,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:24,169 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] [2024-10-11 02:56:24,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 02:56:24,169 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:24,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:24,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1765140989, now seen corresponding path program 1 times [2024-10-11 02:56:24,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:24,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159205627] [2024-10-11 02:56:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:56:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:56:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:56:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:56:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:56:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:56:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:24,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:24,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159205627] [2024-10-11 02:56:24,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159205627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:24,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:24,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:56:24,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123391057] [2024-10-11 02:56:24,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:24,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:56:24,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:24,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:56:24,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:56:24,400 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) [2024-10-11 02:56:27,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:27,976 INFO L93 Difference]: Finished difference Result 113791 states and 199579 transitions. [2024-10-11 02:56:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:56:27,977 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 [2024-10-11 02:56:27,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:28,738 INFO L225 Difference]: With dead ends: 113791 [2024-10-11 02:56:28,738 INFO L226 Difference]: Without dead ends: 113639 [2024-10-11 02:56:28,787 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 [2024-10-11 02:56:28,788 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1220 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:28,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1238 Valid, 881 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:56:28,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113639 states. [2024-10-11 02:56:32,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113639 to 113546. [2024-10-11 02:56:32,462 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) [2024-10-11 02:56:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113546 states to 113546 states and 194815 transitions. [2024-10-11 02:56:32,896 INFO L78 Accepts]: Start accepts. Automaton has 113546 states and 194815 transitions. Word has length 120 [2024-10-11 02:56:32,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:56:32,897 INFO L471 AbstractCegarLoop]: Abstraction has 113546 states and 194815 transitions. [2024-10-11 02:56:32,897 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) [2024-10-11 02:56:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 113546 states and 194815 transitions. [2024-10-11 02:56:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 02:56:32,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:56:32,934 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] [2024-10-11 02:56:32,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 02:56:32,934 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:56:32,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:56:32,935 INFO L85 PathProgramCache]: Analyzing trace with hash 412523359, now seen corresponding path program 1 times [2024-10-11 02:56:32,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:56:32,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471631514] [2024-10-11 02:56:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:56:32,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:56:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:56:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:56:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:56:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:56:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:56:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:56:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:56:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:56:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:56:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:56:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:56:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:56:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:56:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:56:33,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:56:33,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471631514] [2024-10-11 02:56:33,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471631514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:56:33,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:56:33,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-11 02:56:33,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429321542] [2024-10-11 02:56:33,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:56:33,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 02:56:33,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:56:33,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 02:56:33,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-10-11 02:56:33,466 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) [2024-10-11 02:56:44,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:56:44,238 INFO L93 Difference]: Finished difference Result 226430 states and 400561 transitions. [2024-10-11 02:56:44,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-11 02:56:44,239 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 [2024-10-11 02:56:44,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:56:45,283 INFO L225 Difference]: With dead ends: 226430 [2024-10-11 02:56:45,283 INFO L226 Difference]: Without dead ends: 226283 [2024-10-11 02:56:45,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=648, Invalid=2544, Unknown=0, NotChecked=0, Total=3192 [2024-10-11 02:56:45,382 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 3692 mSDsluCounter, 2502 mSDsCounter, 0 mSdLazyCounter, 6338 mSolverCounterSat, 1263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3707 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 7601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1263 IncrementalHoareTripleChecker+Valid, 6338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:56:45,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3707 Valid, 2744 Invalid, 7601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1263 Valid, 6338 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-11 02:56:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226283 states.