/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:40:17,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:40:17,439 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:40:17,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:40:17,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:40:17,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:40:17,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:40:17,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:40:17,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:40:17,456 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:40:17,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:40:17,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:40:17,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:40:17,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:40:17,458 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:40:17,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:40:17,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:40:17,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:40:17,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:40:17,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:40:17,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:40:17,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:40:17,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:40:17,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:40:17,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:40:17,460 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:40:17,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:40:17,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:40:17,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:40:17,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:40:17,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:40:17,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:40:17,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:40:17,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:40:17,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:40:17,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:40:17,463 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:40:17,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:40:17,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:40:17,464 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:40:17,464 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:40:17,464 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:40:17,464 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:40:17,464 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:40:17,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:40:17,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:40:17,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:40:17,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:40:17,668 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:40:17,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c [2023-12-16 05:40:18,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:40:18,985 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:40:18,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c [2023-12-16 05:40:19,002 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6407f0514/a301b4fafd664726bbac133b0b24ee60/FLAG6fc37cc17 [2023-12-16 05:40:19,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6407f0514/a301b4fafd664726bbac133b0b24ee60 [2023-12-16 05:40:19,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:40:19,015 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:40:19,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:40:19,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:40:19,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:40:19,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760497f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19, skipping insertion in model container [2023-12-16 05:40:19,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,092 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:40:19,386 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c[48298,48311] [2023-12-16 05:40:19,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:40:19,436 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:40:19,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2023-12-16 05:40:19,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2023-12-16 05:40:19,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [225] [2023-12-16 05:40:19,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [678] [2023-12-16 05:40:19,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [1749] [2023-12-16 05:40:19,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1768] [2023-12-16 05:40:19,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2134] [2023-12-16 05:40:19,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2143] [2023-12-16 05:40:19,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2181] [2023-12-16 05:40:19,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2491] [2023-12-16 05:40:19,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2888] [2023-12-16 05:40:19,484 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c[48298,48311] [2023-12-16 05:40:19,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:40:19,520 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:40:19,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19 WrapperNode [2023-12-16 05:40:19,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:40:19,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:40:19,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:40:19,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:40:19,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,576 INFO L138 Inliner]: procedures = 137, calls = 226, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1120 [2023-12-16 05:40:19,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:40:19,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:40:19,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:40:19,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:40:19,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,669 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]. [2023-12-16 05:40:19,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:40:19,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:40:19,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:40:19,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:40:19,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (1/1) ... [2023-12-16 05:40:19,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:40:19,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:40:19,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 05:40:19,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 05:40:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-16 05:40:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-16 05:40:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 05:40:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 05:40:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-16 05:40:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-16 05:40:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 05:40:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 05:40:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-16 05:40:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-16 05:40:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 05:40:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 05:40:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:40:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:40:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 05:40:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 05:40:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 05:40:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 05:40:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-16 05:40:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-16 05:40:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 05:40:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 05:40:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 05:40:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:40:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:40:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:40:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:40:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 05:40:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 05:40:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 05:40:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 05:40:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:40:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:40:20,023 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:40:20,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:40:20,605 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:40:20,648 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:40:20,648 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 05:40:20,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:20 BoogieIcfgContainer [2023-12-16 05:40:20,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:40:20,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:40:20,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:40:20,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:40:20,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:19" (1/3) ... [2023-12-16 05:40:20,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb509d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:20, skipping insertion in model container [2023-12-16 05:40:20,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:19" (2/3) ... [2023-12-16 05:40:20,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb509d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:20, skipping insertion in model container [2023-12-16 05:40:20,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:20" (3/3) ... [2023-12-16 05:40:20,655 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product35.cil.c [2023-12-16 05:40:20,667 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:40:20,667 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:40:20,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:40:20,726 INFO L357 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, mHoare=true, 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;@1258584, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:40:20,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:40:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 431 states, 326 states have (on average 1.5889570552147239) internal successors, (518), 331 states have internal predecessors, (518), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2023-12-16 05:40:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-16 05:40:20,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:20,766 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:20,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:20,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:20,775 INFO L85 PathProgramCache]: Analyzing trace with hash 804346933, now seen corresponding path program 1 times [2023-12-16 05:40:20,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:20,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739253761] [2023-12-16 05:40:20,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:20,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:40:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:40:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:40:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-16 05:40:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:40:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:40:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:40:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:40:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:40:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:40:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:40:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:40:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:40:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:40:21,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:21,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739253761] [2023-12-16 05:40:21,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739253761] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:40:21,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674860449] [2023-12-16 05:40:21,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:21,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:21,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:40:21,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:40:21,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 05:40:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:21,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 05:40:21,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:40:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-16 05:40:21,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:40:21,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674860449] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:21,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:40:21,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-16 05:40:21,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437840231] [2023-12-16 05:40:21,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:21,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:40:21,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:21,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:40:21,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:40:21,864 INFO L87 Difference]: Start difference. First operand has 431 states, 326 states have (on average 1.5889570552147239) internal successors, (518), 331 states have internal predecessors, (518), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 05:40:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:21,952 INFO L93 Difference]: Finished difference Result 674 states and 1024 transitions. [2023-12-16 05:40:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:40:21,955 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 123 [2023-12-16 05:40:21,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:21,965 INFO L225 Difference]: With dead ends: 674 [2023-12-16 05:40:21,965 INFO L226 Difference]: Without dead ends: 428 [2023-12-16 05:40:21,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:40:21,972 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:21,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 642 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:40:21,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-12-16 05:40:22,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2023-12-16 05:40:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 324 states have (on average 1.5771604938271604) internal successors, (511), 328 states have internal predecessors, (511), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-12-16 05:40:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 658 transitions. [2023-12-16 05:40:22,027 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 658 transitions. Word has length 123 [2023-12-16 05:40:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:22,028 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 658 transitions. [2023-12-16 05:40:22,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 05:40:22,029 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 658 transitions. [2023-12-16 05:40:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-16 05:40:22,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:22,038 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:22,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 05:40:22,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 05:40:22,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:22,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:22,247 INFO L85 PathProgramCache]: Analyzing trace with hash -761966330, now seen corresponding path program 1 times [2023-12-16 05:40:22,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:22,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491970845] [2023-12-16 05:40:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:22,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:40:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:40:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:40:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-16 05:40:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:40:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:40:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:40:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:40:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:40:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:40:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:40:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:40:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:40:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:40:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:40:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:40:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 05:40:22,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:22,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491970845] [2023-12-16 05:40:22,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491970845] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:40:22,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186923586] [2023-12-16 05:40:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:22,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:22,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:40:22,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:40:22,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 05:40:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:22,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:40:22,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:40:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-16 05:40:22,820 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:40:22,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186923586] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:22,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:40:22,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:40:22,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178673729] [2023-12-16 05:40:22,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:22,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:40:22,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:22,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:40:22,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:40:22,823 INFO L87 Difference]: Start difference. First operand 428 states and 658 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:22,902 INFO L93 Difference]: Finished difference Result 670 states and 1008 transitions. [2023-12-16 05:40:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:40:22,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2023-12-16 05:40:22,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:22,906 INFO L225 Difference]: With dead ends: 670 [2023-12-16 05:40:22,906 INFO L226 Difference]: Without dead ends: 430 [2023-12-16 05:40:22,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:40:22,909 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 0 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:22,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1277 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:40:22,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2023-12-16 05:40:22,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2023-12-16 05:40:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 326 states have (on average 1.5736196319018405) internal successors, (513), 330 states have internal predecessors, (513), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-12-16 05:40:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 660 transitions. [2023-12-16 05:40:22,928 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 660 transitions. Word has length 142 [2023-12-16 05:40:22,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:22,928 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 660 transitions. [2023-12-16 05:40:22,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 660 transitions. [2023-12-16 05:40:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 05:40:22,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:22,930 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:22,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 05:40:23,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 05:40:23,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:23,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:23,148 INFO L85 PathProgramCache]: Analyzing trace with hash 583139764, now seen corresponding path program 1 times [2023-12-16 05:40:23,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:23,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772130662] [2023-12-16 05:40:23,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:23,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:40:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:40:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:40:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:40:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:40:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:40:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:40:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:40:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:40:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:40:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:40:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:40:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:40:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:40:23,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:23,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772130662] [2023-12-16 05:40:23,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772130662] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:40:23,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802007372] [2023-12-16 05:40:23,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:23,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:23,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:40:23,370 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:40:23,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 05:40:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:23,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:40:23,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:40:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-16 05:40:23,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:40:23,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802007372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:23,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:40:23,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:40:23,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513030749] [2023-12-16 05:40:23,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:23,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:40:23,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:23,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:40:23,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:40:23,635 INFO L87 Difference]: Start difference. First operand 430 states and 660 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 05:40:23,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:23,692 INFO L93 Difference]: Finished difference Result 912 states and 1419 transitions. [2023-12-16 05:40:23,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:40:23,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2023-12-16 05:40:23,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:23,696 INFO L225 Difference]: With dead ends: 912 [2023-12-16 05:40:23,696 INFO L226 Difference]: Without dead ends: 504 [2023-12-16 05:40:23,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:40:23,700 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 136 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:23,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1246 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:40:23,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2023-12-16 05:40:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 499. [2023-12-16 05:40:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 381 states have (on average 1.5931758530183726) internal successors, (607), 385 states have internal predecessors, (607), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2023-12-16 05:40:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 782 transitions. [2023-12-16 05:40:23,741 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 782 transitions. Word has length 131 [2023-12-16 05:40:23,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:23,741 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 782 transitions. [2023-12-16 05:40:23,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 05:40:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 782 transitions. [2023-12-16 05:40:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-16 05:40:23,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:23,745 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:23,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 05:40:23,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:23,953 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:23,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:23,954 INFO L85 PathProgramCache]: Analyzing trace with hash -356369399, now seen corresponding path program 1 times [2023-12-16 05:40:23,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:23,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212964316] [2023-12-16 05:40:23,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:23,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:40:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:40:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:40:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:40:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:40:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:40:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:40:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:40:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:40:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:40:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:40:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:40:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:40:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:40:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:40:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:40:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-16 05:40:24,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:24,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212964316] [2023-12-16 05:40:24,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212964316] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:40:24,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947558411] [2023-12-16 05:40:24,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:24,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:24,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:40:24,209 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:40:24,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 05:40:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:24,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 05:40:24,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:40:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-16 05:40:24,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:40:24,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947558411] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:24,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:40:24,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-16 05:40:24,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658459862] [2023-12-16 05:40:24,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:24,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:40:24,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:24,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:40:24,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:40:24,569 INFO L87 Difference]: Start difference. First operand 499 states and 782 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-16 05:40:24,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:24,711 INFO L93 Difference]: Finished difference Result 993 states and 1558 transitions. [2023-12-16 05:40:24,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:40:24,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 150 [2023-12-16 05:40:24,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:24,715 INFO L225 Difference]: With dead ends: 993 [2023-12-16 05:40:24,715 INFO L226 Difference]: Without dead ends: 501 [2023-12-16 05:40:24,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:24,720 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 8 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2509 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:24,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2509 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:40:24,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2023-12-16 05:40:24,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2023-12-16 05:40:24,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 382 states have (on average 1.5916230366492146) internal successors, (608), 387 states have internal predecessors, (608), 88 states have call successors, (88), 29 states have call predecessors, (88), 30 states have return successors, (89), 86 states have call predecessors, (89), 87 states have call successors, (89) [2023-12-16 05:40:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 785 transitions. [2023-12-16 05:40:24,746 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 785 transitions. Word has length 150 [2023-12-16 05:40:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:24,746 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 785 transitions. [2023-12-16 05:40:24,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-16 05:40:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 785 transitions. [2023-12-16 05:40:24,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-16 05:40:24,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:24,749 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:24,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 05:40:24,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:24,957 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:24,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1887192996, now seen corresponding path program 1 times [2023-12-16 05:40:24,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:24,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575871803] [2023-12-16 05:40:24,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:24,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:40:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-16 05:40:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:40:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:40:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:40:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:40:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:40:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:40:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:40:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:40:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:40:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-16 05:40:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 05:40:25,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:25,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575871803] [2023-12-16 05:40:25,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575871803] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:40:25,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083813008] [2023-12-16 05:40:25,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:25,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:25,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:40:25,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:40:25,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 05:40:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 05:40:25,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:40:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-16 05:40:25,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:40:25,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083813008] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:25,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:40:25,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-16 05:40:25,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931416459] [2023-12-16 05:40:25,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:25,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:40:25,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:25,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:40:25,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:40:25,519 INFO L87 Difference]: Start difference. First operand 501 states and 785 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-16 05:40:25,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:25,609 INFO L93 Difference]: Finished difference Result 995 states and 1563 transitions. [2023-12-16 05:40:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:40:25,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2023-12-16 05:40:25,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:25,612 INFO L225 Difference]: With dead ends: 995 [2023-12-16 05:40:25,612 INFO L226 Difference]: Without dead ends: 503 [2023-12-16 05:40:25,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-16 05:40:25,614 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 8 mSDsluCounter, 1867 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2495 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:25,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2495 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:40:25,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2023-12-16 05:40:25,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2023-12-16 05:40:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 383 states have (on average 1.5900783289817233) internal successors, (609), 389 states have internal predecessors, (609), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2023-12-16 05:40:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 791 transitions. [2023-12-16 05:40:25,629 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 791 transitions. Word has length 133 [2023-12-16 05:40:25,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:25,629 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 791 transitions. [2023-12-16 05:40:25,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-16 05:40:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 791 transitions. [2023-12-16 05:40:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-16 05:40:25,632 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:25,632 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:25,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 05:40:25,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:25,839 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:25,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:25,839 INFO L85 PathProgramCache]: Analyzing trace with hash 2039393985, now seen corresponding path program 1 times [2023-12-16 05:40:25,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:25,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77234408] [2023-12-16 05:40:25,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:25,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-16 05:40:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:40:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-16 05:40:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:40:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:40:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:40:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:40:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:40:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:40:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:40:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:40:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:40:25,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:25,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77234408] [2023-12-16 05:40:25,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77234408] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:25,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:25,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:40:25,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548709020] [2023-12-16 05:40:25,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:25,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:40:25,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:25,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:40:25,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:40:25,996 INFO L87 Difference]: Start difference. First operand 503 states and 791 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-16 05:40:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:28,112 INFO L93 Difference]: Finished difference Result 1182 states and 1896 transitions. [2023-12-16 05:40:28,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:40:28,113 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 134 [2023-12-16 05:40:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:28,117 INFO L225 Difference]: With dead ends: 1182 [2023-12-16 05:40:28,117 INFO L226 Difference]: Without dead ends: 698 [2023-12-16 05:40:28,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:40:28,119 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1568 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3210 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 3780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 3210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:28,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1569 Valid, 1240 Invalid, 3780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 3210 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 05:40:28,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2023-12-16 05:40:28,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 503. [2023-12-16 05:40:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 383 states have (on average 1.5900783289817233) internal successors, (609), 389 states have internal predecessors, (609), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (93), 86 states have call predecessors, (93), 87 states have call successors, (93) [2023-12-16 05:40:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 790 transitions. [2023-12-16 05:40:28,160 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 790 transitions. Word has length 134 [2023-12-16 05:40:28,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:28,160 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 790 transitions. [2023-12-16 05:40:28,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-16 05:40:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 790 transitions. [2023-12-16 05:40:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-16 05:40:28,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:28,163 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:28,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:40:28,163 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:28,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:28,164 INFO L85 PathProgramCache]: Analyzing trace with hash 2027631717, now seen corresponding path program 2 times [2023-12-16 05:40:28,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:28,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245862304] [2023-12-16 05:40:28,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:28,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 05:40:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:40:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:40:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:40:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:40:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:40:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:40:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:40:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:40:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:40:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:40:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:40:28,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:28,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245862304] [2023-12-16 05:40:28,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245862304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:28,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:28,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:40:28,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008894159] [2023-12-16 05:40:28,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:28,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:40:28,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:28,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:40:28,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:40:28,349 INFO L87 Difference]: Start difference. First operand 503 states and 790 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-16 05:40:30,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:30,566 INFO L93 Difference]: Finished difference Result 1184 states and 1899 transitions. [2023-12-16 05:40:30,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:40:30,567 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 135 [2023-12-16 05:40:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:30,570 INFO L225 Difference]: With dead ends: 1184 [2023-12-16 05:40:30,571 INFO L226 Difference]: Without dead ends: 700 [2023-12-16 05:40:30,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:40:30,572 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1630 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3113 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 3737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 3113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:30,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 1241 Invalid, 3737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 3113 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 05:40:30,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-12-16 05:40:30,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2023-12-16 05:40:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 384 states have (on average 1.5885416666666667) internal successors, (610), 391 states have internal predecessors, (610), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (95), 86 states have call predecessors, (95), 87 states have call successors, (95) [2023-12-16 05:40:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 793 transitions. [2023-12-16 05:40:30,599 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 793 transitions. Word has length 135 [2023-12-16 05:40:30,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:30,599 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 793 transitions. [2023-12-16 05:40:30,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-16 05:40:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 793 transitions. [2023-12-16 05:40:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-16 05:40:30,602 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:30,602 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:30,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:40:30,602 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:30,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:30,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1237831989, now seen corresponding path program 1 times [2023-12-16 05:40:30,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:30,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981763173] [2023-12-16 05:40:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:40:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:40:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:40:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:40:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:40:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:40:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:40:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:40:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:40:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:40:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:40:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:40:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-16 05:40:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:40:30,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:30,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981763173] [2023-12-16 05:40:30,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981763173] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:30,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:30,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:40:30,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517353864] [2023-12-16 05:40:30,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:30,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:40:30,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:30,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:40:30,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:40:30,808 INFO L87 Difference]: Start difference. First operand 505 states and 793 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-16 05:40:33,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:33,643 INFO L93 Difference]: Finished difference Result 1182 states and 1894 transitions. [2023-12-16 05:40:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:40:33,644 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 154 [2023-12-16 05:40:33,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:33,647 INFO L225 Difference]: With dead ends: 1182 [2023-12-16 05:40:33,647 INFO L226 Difference]: Without dead ends: 700 [2023-12-16 05:40:33,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:40:33,649 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1579 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5418 mSolverCounterSat, 626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 6044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 626 IncrementalHoareTripleChecker+Valid, 5418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:33,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 1717 Invalid, 6044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [626 Valid, 5418 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-16 05:40:33,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-12-16 05:40:33,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2023-12-16 05:40:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 384 states have (on average 1.5885416666666667) internal successors, (610), 391 states have internal predecessors, (610), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2023-12-16 05:40:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 792 transitions. [2023-12-16 05:40:33,674 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 792 transitions. Word has length 154 [2023-12-16 05:40:33,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:33,674 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 792 transitions. [2023-12-16 05:40:33,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-16 05:40:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 792 transitions. [2023-12-16 05:40:33,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 05:40:33,676 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:33,676 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:33,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:40:33,677 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:33,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:33,677 INFO L85 PathProgramCache]: Analyzing trace with hash 11448388, now seen corresponding path program 2 times [2023-12-16 05:40:33,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:33,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504442408] [2023-12-16 05:40:33,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:33,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:40:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:40:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:40:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:40:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:40:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:40:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:40:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:40:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:40:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:40:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-16 05:40:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:40:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-16 05:40:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:40:33,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504442408] [2023-12-16 05:40:33,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504442408] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:33,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:33,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:40:33,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747443295] [2023-12-16 05:40:33,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:33,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:40:33,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:33,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:40:33,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:40:33,878 INFO L87 Difference]: Start difference. First operand 505 states and 792 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-16 05:40:36,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:36,643 INFO L93 Difference]: Finished difference Result 1184 states and 1900 transitions. [2023-12-16 05:40:36,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:40:36,644 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 155 [2023-12-16 05:40:36,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:36,647 INFO L225 Difference]: With dead ends: 1184 [2023-12-16 05:40:36,647 INFO L226 Difference]: Without dead ends: 702 [2023-12-16 05:40:36,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:40:36,649 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1564 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5340 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 5953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 5340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:36,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 1717 Invalid, 5953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 5340 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-16 05:40:36,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-12-16 05:40:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 507. [2023-12-16 05:40:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 385 states have (on average 1.587012987012987) internal successors, (611), 393 states have internal predecessors, (611), 88 states have call successors, (88), 29 states have call predecessors, (88), 33 states have return successors, (99), 86 states have call predecessors, (99), 87 states have call successors, (99) [2023-12-16 05:40:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 798 transitions. [2023-12-16 05:40:36,673 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 798 transitions. Word has length 155 [2023-12-16 05:40:36,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:36,673 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 798 transitions. [2023-12-16 05:40:36,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-16 05:40:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 798 transitions. [2023-12-16 05:40:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-16 05:40:36,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:36,675 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:36,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:40:36,675 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:36,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:36,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1400310214, now seen corresponding path program 1 times [2023-12-16 05:40:36,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:36,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799218047] [2023-12-16 05:40:36,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:36,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:40:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:40:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:40:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:40:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:40:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:40:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:40:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:40:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:40:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:40:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:40:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 05:40:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-16 05:40:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-16 05:40:36,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:36,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799218047] [2023-12-16 05:40:36,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799218047] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:40:36,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049654562] [2023-12-16 05:40:36,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:36,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:36,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:40:36,846 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:40:36,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 05:40:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:37,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:40:37,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:40:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:37,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:40:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:37,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049654562] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:40:37,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:40:37,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-16 05:40:37,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411596713] [2023-12-16 05:40:37,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:40:37,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-16 05:40:37,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:37,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-16 05:40:37,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:40:37,231 INFO L87 Difference]: Start difference. First operand 507 states and 798 transitions. Second operand has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2023-12-16 05:40:40,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:40,316 INFO L93 Difference]: Finished difference Result 1623 states and 2711 transitions. [2023-12-16 05:40:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 05:40:40,317 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 156 [2023-12-16 05:40:40,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:40,322 INFO L225 Difference]: With dead ends: 1623 [2023-12-16 05:40:40,322 INFO L226 Difference]: Without dead ends: 1142 [2023-12-16 05:40:40,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-16 05:40:40,324 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 3021 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 5699 mSolverCounterSat, 1046 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 2033 SdHoareTripleChecker+Invalid, 6745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1046 IncrementalHoareTripleChecker+Valid, 5699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:40,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 2033 Invalid, 6745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1046 Valid, 5699 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-16 05:40:40,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2023-12-16 05:40:40,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 932. [2023-12-16 05:40:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 731 states have (on average 1.640218878248974) internal successors, (1199), 739 states have internal predecessors, (1199), 167 states have call successors, (167), 29 states have call predecessors, (167), 33 states have return successors, (188), 165 states have call predecessors, (188), 166 states have call successors, (188) [2023-12-16 05:40:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1554 transitions. [2023-12-16 05:40:40,359 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1554 transitions. Word has length 156 [2023-12-16 05:40:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:40,359 INFO L495 AbstractCegarLoop]: Abstraction has 932 states and 1554 transitions. [2023-12-16 05:40:40,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2023-12-16 05:40:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1554 transitions. [2023-12-16 05:40:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-16 05:40:40,363 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:40,363 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:40,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 05:40:40,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:40:40,570 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:40,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:40,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1703905775, now seen corresponding path program 1 times [2023-12-16 05:40:40,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:40,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859094492] [2023-12-16 05:40:40,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:40,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:40:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:40:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:40:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:40:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:40:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:40:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:40:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:40:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:40:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:40:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:40:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:40:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-16 05:40:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:40,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:40,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859094492] [2023-12-16 05:40:40,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859094492] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:40,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:40,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:40,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360717096] [2023-12-16 05:40:40,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:40,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:40,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:40,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:40,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:40,656 INFO L87 Difference]: Start difference. First operand 932 states and 1554 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:42,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:42,315 INFO L93 Difference]: Finished difference Result 2398 states and 4100 transitions. [2023-12-16 05:40:42,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:40:42,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2023-12-16 05:40:42,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:42,335 INFO L225 Difference]: With dead ends: 2398 [2023-12-16 05:40:42,335 INFO L226 Difference]: Without dead ends: 1534 [2023-12-16 05:40:42,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:42,338 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 1690 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 1843 mSolverCounterSat, 680 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 1843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:42,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 929 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 1843 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:40:42,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2023-12-16 05:40:42,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1334. [2023-12-16 05:40:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1054 states have (on average 1.6565464895635673) internal successors, (1746), 1062 states have internal predecessors, (1746), 246 states have call successors, (246), 29 states have call predecessors, (246), 33 states have return successors, (277), 244 states have call predecessors, (277), 245 states have call successors, (277) [2023-12-16 05:40:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 2269 transitions. [2023-12-16 05:40:42,419 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 2269 transitions. Word has length 160 [2023-12-16 05:40:42,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:42,419 INFO L495 AbstractCegarLoop]: Abstraction has 1334 states and 2269 transitions. [2023-12-16 05:40:42,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2269 transitions. [2023-12-16 05:40:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-16 05:40:42,424 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:42,424 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:42,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:40:42,424 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:42,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:42,425 INFO L85 PathProgramCache]: Analyzing trace with hash -297641618, now seen corresponding path program 1 times [2023-12-16 05:40:42,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:42,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433316276] [2023-12-16 05:40:42,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:42,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:40:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:40:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:40:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:40:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:40:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:40:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:40:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:40:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:40:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-16 05:40:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:40:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-16 05:40:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-16 05:40:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:42,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:42,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433316276] [2023-12-16 05:40:42,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433316276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:42,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:42,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:42,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858177487] [2023-12-16 05:40:42,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:42,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:42,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:42,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:42,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:42,538 INFO L87 Difference]: Start difference. First operand 1334 states and 2269 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:44,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:44,052 INFO L93 Difference]: Finished difference Result 3401 states and 5877 transitions. [2023-12-16 05:40:44,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:40:44,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 161 [2023-12-16 05:40:44,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:44,061 INFO L225 Difference]: With dead ends: 3401 [2023-12-16 05:40:44,062 INFO L226 Difference]: Without dead ends: 2185 [2023-12-16 05:40:44,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:44,065 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1705 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1830 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:44,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 917 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 1830 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:40:44,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2023-12-16 05:40:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 1985. [2023-12-16 05:40:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1586 states have (on average 1.665825977301387) internal successors, (2642), 1594 states have internal predecessors, (2642), 365 states have call successors, (365), 29 states have call predecessors, (365), 33 states have return successors, (396), 363 states have call predecessors, (396), 364 states have call successors, (396) [2023-12-16 05:40:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 3403 transitions. [2023-12-16 05:40:44,121 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 3403 transitions. Word has length 161 [2023-12-16 05:40:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:44,121 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 3403 transitions. [2023-12-16 05:40:44,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:44,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 3403 transitions. [2023-12-16 05:40:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-16 05:40:44,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:44,129 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:44,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 05:40:44,129 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:44,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:44,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1417075677, now seen corresponding path program 1 times [2023-12-16 05:40:44,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:44,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150708493] [2023-12-16 05:40:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:44,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:40:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:40:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:40:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:40:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:40:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:40:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:40:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:40:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:40:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:40:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 05:40:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-16 05:40:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-16 05:40:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:44,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:44,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150708493] [2023-12-16 05:40:44,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150708493] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:44,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:44,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:44,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265267114] [2023-12-16 05:40:44,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:44,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:44,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:44,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:44,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:44,207 INFO L87 Difference]: Start difference. First operand 1985 states and 3403 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:45,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:45,797 INFO L93 Difference]: Finished difference Result 4925 states and 8595 transitions. [2023-12-16 05:40:45,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:40:45,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2023-12-16 05:40:45,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:45,811 INFO L225 Difference]: With dead ends: 4925 [2023-12-16 05:40:45,811 INFO L226 Difference]: Without dead ends: 3186 [2023-12-16 05:40:45,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:45,816 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1728 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 675 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 675 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:45,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1747 Valid, 907 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [675 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:40:45,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2023-12-16 05:40:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2986. [2023-12-16 05:40:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2425 states have (on average 1.6734020618556702) internal successors, (4058), 2433 states have internal predecessors, (4058), 527 states have call successors, (527), 29 states have call predecessors, (527), 33 states have return successors, (574), 525 states have call predecessors, (574), 526 states have call successors, (574) [2023-12-16 05:40:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 5159 transitions. [2023-12-16 05:40:45,936 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 5159 transitions. Word has length 162 [2023-12-16 05:40:45,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:45,937 INFO L495 AbstractCegarLoop]: Abstraction has 2986 states and 5159 transitions. [2023-12-16 05:40:45,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 5159 transitions. [2023-12-16 05:40:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-16 05:40:45,949 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:45,949 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:45,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 05:40:45,950 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:45,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:45,950 INFO L85 PathProgramCache]: Analyzing trace with hash 411406221, now seen corresponding path program 1 times [2023-12-16 05:40:45,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:45,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370946295] [2023-12-16 05:40:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:45,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:40:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:40:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:40:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:40:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:40:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:40:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:40:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:40:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:40:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:40:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-16 05:40:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-16 05:40:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-16 05:40:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:46,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:46,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370946295] [2023-12-16 05:40:46,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370946295] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:46,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:46,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:46,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562059308] [2023-12-16 05:40:46,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:46,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:46,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:46,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:46,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:46,052 INFO L87 Difference]: Start difference. First operand 2986 states and 5159 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:47,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:47,751 INFO L93 Difference]: Finished difference Result 7337 states and 12908 transitions. [2023-12-16 05:40:47,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:40:47,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 163 [2023-12-16 05:40:47,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:47,770 INFO L225 Difference]: With dead ends: 7337 [2023-12-16 05:40:47,770 INFO L226 Difference]: Without dead ends: 4806 [2023-12-16 05:40:47,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:47,775 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1652 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 2481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:47,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 908 Invalid, 2481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:40:47,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2023-12-16 05:40:47,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4606. [2023-12-16 05:40:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4606 states, 3800 states have (on average 1.6789473684210525) internal successors, (6380), 3808 states have internal predecessors, (6380), 772 states have call successors, (772), 29 states have call predecessors, (772), 33 states have return successors, (845), 770 states have call predecessors, (845), 771 states have call successors, (845) [2023-12-16 05:40:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4606 states to 4606 states and 7997 transitions. [2023-12-16 05:40:47,941 INFO L78 Accepts]: Start accepts. Automaton has 4606 states and 7997 transitions. Word has length 163 [2023-12-16 05:40:47,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:47,942 INFO L495 AbstractCegarLoop]: Abstraction has 4606 states and 7997 transitions. [2023-12-16 05:40:47,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 4606 states and 7997 transitions. [2023-12-16 05:40:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-16 05:40:47,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:47,959 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:47,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 05:40:47,960 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:47,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:47,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1141235513, now seen corresponding path program 1 times [2023-12-16 05:40:47,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:47,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167472290] [2023-12-16 05:40:47,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:47,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:40:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:40:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:40:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:40:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:40:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:40:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:40:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:40:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-16 05:40:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:40:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:40:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-16 05:40:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-16 05:40:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:48,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:48,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167472290] [2023-12-16 05:40:48,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167472290] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:48,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:48,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:48,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108621723] [2023-12-16 05:40:48,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:48,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:48,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:48,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:48,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:48,041 INFO L87 Difference]: Start difference. First operand 4606 states and 7997 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:49,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:49,764 INFO L93 Difference]: Finished difference Result 11414 states and 20161 transitions. [2023-12-16 05:40:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:40:49,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2023-12-16 05:40:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:49,791 INFO L225 Difference]: With dead ends: 11414 [2023-12-16 05:40:49,791 INFO L226 Difference]: Without dead ends: 7566 [2023-12-16 05:40:49,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:49,799 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1763 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 2512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 710 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:49,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 937 Invalid, 2512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [710 Valid, 1802 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:40:49,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2023-12-16 05:40:49,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7366. [2023-12-16 05:40:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7366 states, 6067 states have (on average 1.673973957474864) internal successors, (10156), 6075 states have internal predecessors, (10156), 1265 states have call successors, (1265), 29 states have call predecessors, (1265), 33 states have return successors, (1382), 1263 states have call predecessors, (1382), 1264 states have call successors, (1382) [2023-12-16 05:40:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7366 states to 7366 states and 12803 transitions. [2023-12-16 05:40:49,994 INFO L78 Accepts]: Start accepts. Automaton has 7366 states and 12803 transitions. Word has length 164 [2023-12-16 05:40:49,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:49,994 INFO L495 AbstractCegarLoop]: Abstraction has 7366 states and 12803 transitions. [2023-12-16 05:40:49,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7366 states and 12803 transitions. [2023-12-16 05:40:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-16 05:40:50,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:50,018 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:50,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 05:40:50,019 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:50,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash 694331194, now seen corresponding path program 1 times [2023-12-16 05:40:50,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:50,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408565701] [2023-12-16 05:40:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:50,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:40:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:40:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:40:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:40:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:40:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:40:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:40:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-16 05:40:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 05:40:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:40:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:40:50,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:50,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408565701] [2023-12-16 05:40:50,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408565701] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:50,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:50,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:50,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614821619] [2023-12-16 05:40:50,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:50,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:50,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:50,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:50,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:50,125 INFO L87 Difference]: Start difference. First operand 7366 states and 12803 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 05:40:51,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:51,885 INFO L93 Difference]: Finished difference Result 18773 states and 33181 transitions. [2023-12-16 05:40:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:40:51,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2023-12-16 05:40:51,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:51,921 INFO L225 Difference]: With dead ends: 18773 [2023-12-16 05:40:51,921 INFO L226 Difference]: Without dead ends: 12551 [2023-12-16 05:40:51,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:51,938 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1662 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1830 mSolverCounterSat, 652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 2482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 652 IncrementalHoareTripleChecker+Valid, 1830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:51,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 915 Invalid, 2482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [652 Valid, 1830 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:40:51,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2023-12-16 05:40:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12351. [2023-12-16 05:40:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12351 states, 10230 states have (on average 1.6744868035190617) internal successors, (17130), 10238 states have internal predecessors, (17130), 2087 states have call successors, (2087), 29 states have call predecessors, (2087), 33 states have return successors, (2282), 2085 states have call predecessors, (2282), 2086 states have call successors, (2282) [2023-12-16 05:40:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12351 states to 12351 states and 21499 transitions. [2023-12-16 05:40:52,328 INFO L78 Accepts]: Start accepts. Automaton has 12351 states and 21499 transitions. Word has length 147 [2023-12-16 05:40:52,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:52,328 INFO L495 AbstractCegarLoop]: Abstraction has 12351 states and 21499 transitions. [2023-12-16 05:40:52,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 05:40:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 12351 states and 21499 transitions. [2023-12-16 05:40:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-16 05:40:52,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:52,360 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:52,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 05:40:52,360 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:52,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:52,361 INFO L85 PathProgramCache]: Analyzing trace with hash 809414777, now seen corresponding path program 1 times [2023-12-16 05:40:52,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:52,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553855811] [2023-12-16 05:40:52,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:52,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:40:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:40:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:40:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:40:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:40:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:40:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:40:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:40:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:40:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:40:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:40:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-16 05:40:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-16 05:40:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:52,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:52,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553855811] [2023-12-16 05:40:52,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553855811] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:52,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:52,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:52,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431130871] [2023-12-16 05:40:52,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:52,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:52,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:52,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:52,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:52,439 INFO L87 Difference]: Start difference. First operand 12351 states and 21499 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:54,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:54,265 INFO L93 Difference]: Finished difference Result 29739 states and 52364 transitions. [2023-12-16 05:40:54,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:40:54,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 166 [2023-12-16 05:40:54,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:54,374 INFO L225 Difference]: With dead ends: 29739 [2023-12-16 05:40:54,374 INFO L226 Difference]: Without dead ends: 19511 [2023-12-16 05:40:54,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:54,398 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1761 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:54,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 888 Invalid, 2424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:40:54,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19511 states. [2023-12-16 05:40:55,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19511 to 19311. [2023-12-16 05:40:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19311 states, 15987 states have (on average 1.6527803840620505) internal successors, (26423), 15995 states have internal predecessors, (26423), 3290 states have call successors, (3290), 29 states have call predecessors, (3290), 33 states have return successors, (3629), 3288 states have call predecessors, (3629), 3289 states have call successors, (3629) [2023-12-16 05:40:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19311 states to 19311 states and 33342 transitions. [2023-12-16 05:40:55,210 INFO L78 Accepts]: Start accepts. Automaton has 19311 states and 33342 transitions. Word has length 166 [2023-12-16 05:40:55,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:55,211 INFO L495 AbstractCegarLoop]: Abstraction has 19311 states and 33342 transitions. [2023-12-16 05:40:55,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 19311 states and 33342 transitions. [2023-12-16 05:40:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-16 05:40:55,244 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:55,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:55,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 05:40:55,244 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:55,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash 756995048, now seen corresponding path program 1 times [2023-12-16 05:40:55,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:55,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846614299] [2023-12-16 05:40:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:40:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:40:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:40:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:40:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:40:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:40:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:40:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:40:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:40:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:40:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-16 05:40:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-16 05:40:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-16 05:40:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:55,335 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:55,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:55,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846614299] [2023-12-16 05:40:55,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846614299] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:55,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:55,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:55,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254603870] [2023-12-16 05:40:55,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:55,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:55,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:55,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:55,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:55,338 INFO L87 Difference]: Start difference. First operand 19311 states and 33342 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:57,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:40:57,522 INFO L93 Difference]: Finished difference Result 51180 states and 89897 transitions. [2023-12-16 05:40:57,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:40:57,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 167 [2023-12-16 05:40:57,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:40:57,714 INFO L225 Difference]: With dead ends: 51180 [2023-12-16 05:40:57,715 INFO L226 Difference]: Without dead ends: 34640 [2023-12-16 05:40:57,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:40:57,749 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1693 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:40:57,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1711 Valid, 910 Invalid, 2493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [669 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:40:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34640 states. [2023-12-16 05:40:58,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34640 to 34440. [2023-12-16 05:40:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34440 states, 28666 states have (on average 1.6503174492430057) internal successors, (47308), 28674 states have internal predecessors, (47308), 5740 states have call successors, (5740), 29 states have call predecessors, (5740), 33 states have return successors, (6353), 5738 states have call predecessors, (6353), 5739 states have call successors, (6353) [2023-12-16 05:40:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34440 states to 34440 states and 59401 transitions. [2023-12-16 05:40:59,100 INFO L78 Accepts]: Start accepts. Automaton has 34440 states and 59401 transitions. Word has length 167 [2023-12-16 05:40:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:40:59,100 INFO L495 AbstractCegarLoop]: Abstraction has 34440 states and 59401 transitions. [2023-12-16 05:40:59,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:40:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 34440 states and 59401 transitions. [2023-12-16 05:40:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-16 05:40:59,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:40:59,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:40:59,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 05:40:59,159 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:40:59,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:40:59,159 INFO L85 PathProgramCache]: Analyzing trace with hash -854753921, now seen corresponding path program 1 times [2023-12-16 05:40:59,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:40:59,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706236363] [2023-12-16 05:40:59,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:40:59,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:40:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:40:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:40:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:40:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:40:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:40:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:40:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:40:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:40:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:40:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:40:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:40:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:40:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:40:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:40:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 05:40:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 05:40:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-16 05:40:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-16 05:40:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-16 05:40:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:40:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:40:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-16 05:40:59,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:40:59,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706236363] [2023-12-16 05:40:59,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706236363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:40:59,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:40:59,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:40:59,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819740763] [2023-12-16 05:40:59,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:40:59,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:40:59,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:40:59,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:40:59,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:40:59,261 INFO L87 Difference]: Start difference. First operand 34440 states and 59401 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:41:02,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:41:02,230 INFO L93 Difference]: Finished difference Result 94062 states and 164491 transitions. [2023-12-16 05:41:02,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:41:02,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2023-12-16 05:41:02,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:41:02,428 INFO L225 Difference]: With dead ends: 94062 [2023-12-16 05:41:02,429 INFO L226 Difference]: Without dead ends: 63316 [2023-12-16 05:41:02,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:41:02,485 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1650 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 645 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:41:02,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 916 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [645 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:41:02,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63316 states. [2023-12-16 05:41:04,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63316 to 63116. [2023-12-16 05:41:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63116 states, 52829 states have (on average 1.6468227677979896) internal successors, (87000), 52837 states have internal predecessors, (87000), 10253 states have call successors, (10253), 29 states have call predecessors, (10253), 33 states have return successors, (11398), 10251 states have call predecessors, (11398), 10252 states have call successors, (11398) [2023-12-16 05:41:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63116 states to 63116 states and 108651 transitions. [2023-12-16 05:41:04,949 INFO L78 Accepts]: Start accepts. Automaton has 63116 states and 108651 transitions. Word has length 168 [2023-12-16 05:41:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:41:04,949 INFO L495 AbstractCegarLoop]: Abstraction has 63116 states and 108651 transitions. [2023-12-16 05:41:04,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:41:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 63116 states and 108651 transitions. [2023-12-16 05:41:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-16 05:41:05,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:41:05,283 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:41:05,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 05:41:05,283 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:41:05,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:41:05,283 INFO L85 PathProgramCache]: Analyzing trace with hash -769842567, now seen corresponding path program 1 times [2023-12-16 05:41:05,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:41:05,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974609234] [2023-12-16 05:41:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:41:05,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:41:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:41:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:41:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:41:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:41:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:41:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:41:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:41:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:41:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:41:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:41:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:41:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:41:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:41:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 05:41:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:41:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-16 05:41:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:41:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:41:05,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:41:05,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974609234] [2023-12-16 05:41:05,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974609234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:41:05,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:41:05,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:41:05,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465226940] [2023-12-16 05:41:05,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:41:05,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:41:05,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:41:05,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:41:05,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:41:05,404 INFO L87 Difference]: Start difference. First operand 63116 states and 108651 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 05:41:09,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:41:09,122 INFO L93 Difference]: Finished difference Result 118442 states and 207643 transitions. [2023-12-16 05:41:09,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:41:09,123 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2023-12-16 05:41:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:41:09,486 INFO L225 Difference]: With dead ends: 118442 [2023-12-16 05:41:09,487 INFO L226 Difference]: Without dead ends: 118202 [2023-12-16 05:41:09,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:41:09,528 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1741 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 737 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:41:09,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 914 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [737 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:41:09,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118202 states. [2023-12-16 05:41:13,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118202 to 118002. [2023-12-16 05:41:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118002 states, 99347 states have (on average 1.6422237208974604) internal successors, (163150), 99355 states have internal predecessors, (163150), 18621 states have call successors, (18621), 29 states have call predecessors, (18621), 33 states have return successors, (20812), 18619 states have call predecessors, (20812), 18620 states have call successors, (20812) [2023-12-16 05:41:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118002 states to 118002 states and 202583 transitions. [2023-12-16 05:41:13,849 INFO L78 Accepts]: Start accepts. Automaton has 118002 states and 202583 transitions. Word has length 151 [2023-12-16 05:41:13,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:41:13,849 INFO L495 AbstractCegarLoop]: Abstraction has 118002 states and 202583 transitions. [2023-12-16 05:41:13,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 05:41:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 118002 states and 202583 transitions. [2023-12-16 05:41:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-16 05:41:13,934 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:41:13,934 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:41:13,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 05:41:13,934 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:41:13,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:41:13,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1026605039, now seen corresponding path program 1 times [2023-12-16 05:41:13,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:41:13,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151607632] [2023-12-16 05:41:13,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:41:13,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:41:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:41:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:41:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:41:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:41:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:41:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:41:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:41:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:41:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:41:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:41:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:41:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:41:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:41:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:41:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:41:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:41:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:41:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-16 05:41:14,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:41:14,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151607632] [2023-12-16 05:41:14,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151607632] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:41:14,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32340057] [2023-12-16 05:41:14,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:41:14,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:41:14,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:41:14,722 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:41:14,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-16 05:41:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:41:14,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 05:41:14,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:41:15,186 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-16 05:41:15,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:41:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:41:15,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32340057] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:41:15,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:41:15,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2023-12-16 05:41:15,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379893159] [2023-12-16 05:41:15,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:41:15,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-16 05:41:15,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:41:15,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-16 05:41:15,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2023-12-16 05:41:15,460 INFO L87 Difference]: Start difference. First operand 118002 states and 202583 transitions. Second operand has 32 states, 30 states have (on average 8.1) internal successors, (243), 24 states have internal predecessors, (243), 9 states have call successors, (53), 12 states have call predecessors, (53), 12 states have return successors, (45), 11 states have call predecessors, (45), 9 states have call successors, (45) Received shutdown request... [2023-12-16 05:41:16,937 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 05:41:16,937 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 05:41:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-16 05:41:16,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=383, Invalid=2479, Unknown=0, NotChecked=0, Total=2862 [2023-12-16 05:41:16,938 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 474 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:41:16,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1096 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 05:41:16,940 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:41:16,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-16 05:41:17,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:41:17,147 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (118002states) and FLOYD_HOARE automaton (currently 26 states, 32 states before enhancement),while ReachableStatesComputation was computing reachable states (190 states constructed, input type IntersectNwa). [2023-12-16 05:41:17,150 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:41:17,152 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:41:17,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:41:17 BoogieIcfgContainer [2023-12-16 05:41:17,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:41:17,154 INFO L158 Benchmark]: Toolchain (without parser) took 58139.24ms. Allocated memory was 195.0MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 156.7MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-16 05:41:17,154 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory was 153.2MB in the beginning and 153.1MB in the end (delta: 90.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:41:17,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.41ms. Allocated memory is still 195.0MB. Free memory was 156.3MB in the beginning and 113.0MB in the end (delta: 43.4MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-12-16 05:41:17,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.48ms. Allocated memory is still 195.0MB. Free memory was 112.6MB in the beginning and 106.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 05:41:17,154 INFO L158 Benchmark]: Boogie Preprocessor took 177.01ms. Allocated memory is still 195.0MB. Free memory was 106.3MB in the beginning and 161.4MB in the end (delta: -55.1MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2023-12-16 05:41:17,155 INFO L158 Benchmark]: RCFGBuilder took 894.02ms. Allocated memory is still 195.0MB. Free memory was 161.4MB in the beginning and 75.9MB in the end (delta: 85.5MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. [2023-12-16 05:41:17,155 INFO L158 Benchmark]: TraceAbstraction took 56503.20ms. Allocated memory was 195.0MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 75.4MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-16 05:41:17,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory was 153.2MB in the beginning and 153.1MB in the end (delta: 90.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 505.41ms. Allocated memory is still 195.0MB. Free memory was 156.3MB in the beginning and 113.0MB in the end (delta: 43.4MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.48ms. Allocated memory is still 195.0MB. Free memory was 112.6MB in the beginning and 106.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 177.01ms. Allocated memory is still 195.0MB. Free memory was 106.3MB in the beginning and 161.4MB in the end (delta: -55.1MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * RCFGBuilder took 894.02ms. Allocated memory is still 195.0MB. Free memory was 161.4MB in the beginning and 75.9MB in the end (delta: 85.5MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. * TraceAbstraction took 56503.20ms. Allocated memory was 195.0MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 75.4MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] - GenericResultAtLocation [Line: 66]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] - GenericResultAtLocation [Line: 225]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [225] - GenericResultAtLocation [Line: 678]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [678] - GenericResultAtLocation [Line: 1749]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [1749] - GenericResultAtLocation [Line: 1768]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1768] - GenericResultAtLocation [Line: 2134]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2134] - GenericResultAtLocation [Line: 2143]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2143] - GenericResultAtLocation [Line: 2181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2181] - GenericResultAtLocation [Line: 2491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2491] - GenericResultAtLocation [Line: 2888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2888] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 2139]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2139). Cancelled while NwaCegarLoop was constructing difference of abstraction (118002states) and FLOYD_HOARE automaton (currently 26 states, 32 states before enhancement),while ReachableStatesComputation was computing reachable states (190 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 431 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.5s, OverallIterations: 21, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, AutomataDifference: 36.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27264 SdHoareTripleChecker+Valid, 26.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27033 mSDsluCounter, 26354 SdHoareTripleChecker+Invalid, 22.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20137 mSDsCounter, 10292 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43439 IncrementalHoareTripleChecker+Invalid, 53731 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10292 mSolverCounterUnsat, 6217 mSDtfsCounter, 43439 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2389 GetRequests, 2075 SyntacticMatches, 0 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118002occurred in iteration=20, InterpolantAutomatonStates: 180, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 2995 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 4161 NumberOfCodeBlocks, 4161 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 4439 ConstructedInterpolants, 0 QuantifiedInterpolants, 7304 SizeOfPredicates, 12 NumberOfNonLiveVariables, 8539 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 30 InterpolantComputations, 19 PerfectInterpolantSequences, 1304/1346 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown