/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_spec11_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:32:16,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:32:17,034 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 05:32:17,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:32:17,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:32:17,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:32:17,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:32:17,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:32:17,108 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:32:17,112 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:32:17,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:32:17,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:32:17,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:32:17,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:32:17,114 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:32:17,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:32:17,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:32:17,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:32:17,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:32:17,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:32:17,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:32:17,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:32:17,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:32:17,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:32:17,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:32:17,118 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:32:17,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:32:17,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:32:17,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:32:17,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:32:17,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:32:17,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:32:17,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:32:17,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:32:17,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:32:17,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:32:17,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:32:17,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:32:17,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:32:17,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:32:17,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:32:17,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:32:17,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:32:17,122 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:32:17,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:32:17,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:32:17,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:32:17,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:32:17,502 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:32:17,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product35.cil.c [2023-12-16 05:32:18,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:32:19,036 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:32:19,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product35.cil.c [2023-12-16 05:32:19,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a68f5abeb/7966857a58c145c89ad6d619653c37c4/FLAG39bce7ba4 [2023-12-16 05:32:19,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a68f5abeb/7966857a58c145c89ad6d619653c37c4 [2023-12-16 05:32:19,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:32:19,085 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:32:19,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:32:19,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:32:19,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:32:19,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:32:19" (1/1) ... [2023-12-16 05:32:19,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139da018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:19, skipping insertion in model container [2023-12-16 05:32:19,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:32:19" (1/1) ... [2023-12-16 05:32:19,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:32:19,716 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_spec11_product35.cil.c[61136,61149] [2023-12-16 05:32:19,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:32:19,824 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:32:19,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2023-12-16 05:32:19,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] [2023-12-16 05:32:19,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1540] [2023-12-16 05:32:19,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1573] [2023-12-16 05:32:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1939] [2023-12-16 05:32:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2172] [2023-12-16 05:32:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2190] [2023-12-16 05:32:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2327] [2023-12-16 05:32:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2766] [2023-12-16 05:32:19,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2775] [2023-12-16 05:32:19,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2813] [2023-12-16 05:32:20,045 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_spec11_product35.cil.c[61136,61149] [2023-12-16 05:32:20,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:32:20,195 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:32:20,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20 WrapperNode [2023-12-16 05:32:20,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:32:20,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:32:20,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:32:20,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:32:20,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,286 INFO L138 Inliner]: procedures = 137, calls = 226, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1124 [2023-12-16 05:32:20,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:32:20,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:32:20,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:32:20,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:32:20,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,335 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 05:32:20,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:32:20,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:32:20,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:32:20,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:32:20,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (1/1) ... [2023-12-16 05:32:20,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:32:20,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:32:20,463 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 05:32:20,487 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 05:32:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-16 05:32:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-16 05:32:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 05:32:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 05:32:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-16 05:32:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-16 05:32:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 05:32:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 05:32:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-16 05:32:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-16 05:32:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 05:32:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 05:32:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:32:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:32:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 05:32:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 05:32:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 05:32:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 05:32:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 05:32:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 05:32:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-16 05:32:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-16 05:32:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-16 05:32:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-16 05:32:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 05:32:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 05:32:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 05:32:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 05:32:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-16 05:32:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-16 05:32:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 05:32:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 05:32:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:32:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-16 05:32:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-16 05:32:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-16 05:32:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-16 05:32:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 05:32:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 05:32:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 05:32:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 05:32:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 05:32:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 05:32:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 05:32:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 05:32:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-16 05:32:20,510 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-16 05:32:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 05:32:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 05:32:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-16 05:32:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-16 05:32:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 05:32:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 05:32:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 05:32:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 05:32:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:32:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:32:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:32:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:32:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 05:32:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 05:32:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 05:32:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 05:32:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:32:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:32:20,878 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:32:20,882 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:32:21,686 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:32:21,761 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:32:21,761 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 05:32:21,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:32:21 BoogieIcfgContainer [2023-12-16 05:32:21,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:32:21,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:32:21,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:32:21,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:32:21,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:32:19" (1/3) ... [2023-12-16 05:32:21,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a816cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:32:21, skipping insertion in model container [2023-12-16 05:32:21,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:32:20" (2/3) ... [2023-12-16 05:32:21,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a816cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:32:21, skipping insertion in model container [2023-12-16 05:32:21,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:32:21" (3/3) ... [2023-12-16 05:32:21,770 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product35.cil.c [2023-12-16 05:32:21,785 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:32:21,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:32:21,834 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:32:21,840 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;@60efbc97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:32:21,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:32:21,846 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 05:32:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-16 05:32:21,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:21,871 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:21,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:21,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:21,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1640000615, now seen corresponding path program 1 times [2023-12-16 05:32:21,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:21,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000422301] [2023-12-16 05:32:21,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:21,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:32:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:32:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:32:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-16 05:32:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:32:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:32:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:32:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:32:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:32:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:32:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:32:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:32:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:32:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:32:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-16 05:32:23,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:23,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000422301] [2023-12-16 05:32:23,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000422301] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:32:23,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485941985] [2023-12-16 05:32:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:23,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:32:23,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:32:23,054 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 05:32:23,076 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 05:32:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:23,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 05:32:23,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:32:23,523 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-16 05:32:23,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:32:23,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485941985] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:23,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:32:23,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-16 05:32:23,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020154677] [2023-12-16 05:32:23,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:23,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:32:23,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:23,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:32:23,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:32:23,571 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 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:32:23,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:23,711 INFO L93 Difference]: Finished difference Result 674 states and 1024 transitions. [2023-12-16 05:32:23,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:32:23,717 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2023-12-16 05:32:23,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:23,735 INFO L225 Difference]: With dead ends: 674 [2023-12-16 05:32:23,735 INFO L226 Difference]: Without dead ends: 428 [2023-12-16 05:32:23,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 174 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 05:32:23,751 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, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:23,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 642 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:32:23,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-12-16 05:32:23,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2023-12-16 05:32:23,813 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 05:32:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 658 transitions. [2023-12-16 05:32:23,819 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 658 transitions. Word has length 140 [2023-12-16 05:32:23,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:23,820 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 658 transitions. [2023-12-16 05:32:23,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:32:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 658 transitions. [2023-12-16 05:32:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-16 05:32:23,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:23,829 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:23,837 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 05:32:24,030 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 05:32:24,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:24,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash 632917573, now seen corresponding path program 1 times [2023-12-16 05:32:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:24,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949034599] [2023-12-16 05:32:24,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:24,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:32:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:32:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:32:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-16 05:32:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:32:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:32:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:32:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:32:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:32:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:32:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:32:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:32:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:32:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-16 05:32:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-16 05:32:24,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:24,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949034599] [2023-12-16 05:32:24,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949034599] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:32:24,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077415543] [2023-12-16 05:32:24,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:24,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:32:24,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:32:24,589 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 05:32:24,594 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 05:32:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:24,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:32:24,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:32:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-16 05:32:25,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:32:25,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077415543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:25,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:32:25,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:32:25,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6644510] [2023-12-16 05:32:25,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:25,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:32:25,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:25,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:32:25,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:32:25,012 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:32:25,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:25,163 INFO L93 Difference]: Finished difference Result 670 states and 1008 transitions. [2023-12-16 05:32:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:32:25,164 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 141 [2023-12-16 05:32:25,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:25,168 INFO L225 Difference]: With dead ends: 670 [2023-12-16 05:32:25,168 INFO L226 Difference]: Without dead ends: 430 [2023-12-16 05:32:25,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:32:25,171 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 0 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:25,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1277 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:32:25,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2023-12-16 05:32:25,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2023-12-16 05:32:25,212 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 05:32:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 660 transitions. [2023-12-16 05:32:25,221 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 660 transitions. Word has length 141 [2023-12-16 05:32:25,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:25,224 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 660 transitions. [2023-12-16 05:32:25,226 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:32:25,227 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 660 transitions. [2023-12-16 05:32:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-16 05:32:25,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:25,230 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:25,240 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 05:32:25,431 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 05:32:25,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:25,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:25,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1204295390, now seen corresponding path program 1 times [2023-12-16 05:32:25,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:25,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513009227] [2023-12-16 05:32:25,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:25,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:32:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:32:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:32:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:32:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:32:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:32:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:32:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:32:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:32:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:32:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:32:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:32:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:32:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 05:32:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:25,823 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 05:32:25,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513009227] [2023-12-16 05:32:25,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513009227] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:32:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546296414] [2023-12-16 05:32:25,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:25,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:32:25,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:32:25,825 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 05:32:25,844 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 05:32:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:32:26,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:32:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-16 05:32:26,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:32:26,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546296414] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:26,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:32:26,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:32:26,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284045765] [2023-12-16 05:32:26,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:26,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:32:26,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:26,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:32:26,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:32:26,191 INFO L87 Difference]: Start difference. First operand 430 states and 660 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:32:26,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:26,272 INFO L93 Difference]: Finished difference Result 912 states and 1419 transitions. [2023-12-16 05:32:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:32:26,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2023-12-16 05:32:26,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:26,277 INFO L225 Difference]: With dead ends: 912 [2023-12-16 05:32:26,277 INFO L226 Difference]: Without dead ends: 504 [2023-12-16 05:32:26,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 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 05:32:26,281 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 136 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1241 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 05:32:26,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1241 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:32:26,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2023-12-16 05:32:26,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 499. [2023-12-16 05:32:26,307 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 05:32:26,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 782 transitions. [2023-12-16 05:32:26,310 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 782 transitions. Word has length 148 [2023-12-16 05:32:26,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:26,311 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 782 transitions. [2023-12-16 05:32:26,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:32:26,311 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 782 transitions. [2023-12-16 05:32:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-16 05:32:26,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:26,315 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:26,326 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 05:32:26,523 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 05:32:26,524 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:26,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:26,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1334952870, now seen corresponding path program 1 times [2023-12-16 05:32:26,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:26,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98372917] [2023-12-16 05:32:26,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:26,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:32:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:32:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:32:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:32:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:32:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:32:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:32:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:32:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:32:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:32:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:32:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:32:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:32:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-16 05:32:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:26,788 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 05:32:26,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:26,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98372917] [2023-12-16 05:32:26,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98372917] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:32:26,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470559651] [2023-12-16 05:32:26,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:26,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:32:26,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:32:26,790 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 05:32:26,809 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 05:32:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 05:32:27,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:32:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-16 05:32:27,224 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:32:27,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470559651] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:27,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:32:27,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-16 05:32:27,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663532821] [2023-12-16 05:32:27,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:27,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:32:27,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:27,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:32:27,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:32:27,226 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 05:32:27,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:27,349 INFO L93 Difference]: Finished difference Result 993 states and 1558 transitions. [2023-12-16 05:32:27,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:32:27,350 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2023-12-16 05:32:27,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:27,353 INFO L225 Difference]: With dead ends: 993 [2023-12-16 05:32:27,354 INFO L226 Difference]: Without dead ends: 501 [2023-12-16 05:32:27,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 180 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 05:32:27,357 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 05:32:27,357 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 05:32:27,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2023-12-16 05:32:27,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2023-12-16 05:32:27,376 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 05:32:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 785 transitions. [2023-12-16 05:32:27,380 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 785 transitions. Word has length 149 [2023-12-16 05:32:27,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:27,380 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 785 transitions. [2023-12-16 05:32:27,380 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 05:32:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 785 transitions. [2023-12-16 05:32:27,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-16 05:32:27,384 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:27,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:27,395 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 05:32:27,593 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 05:32:27,594 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:27,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:27,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2027779179, now seen corresponding path program 1 times [2023-12-16 05:32:27,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:27,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213759726] [2023-12-16 05:32:27,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:27,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:32:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-16 05:32:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:32:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:32:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:32:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:32:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:32:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:32:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:32:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:32:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:32:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:32:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 05:32:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:32:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-16 05:32:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-16 05:32:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-16 05:32:27,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:27,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213759726] [2023-12-16 05:32:27,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213759726] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:32:27,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682711484] [2023-12-16 05:32:27,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:27,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:32:27,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:32:27,919 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 05:32:27,936 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 05:32:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:28,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 05:32:28,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:32:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-16 05:32:28,463 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:32:28,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682711484] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:28,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:32:28,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-16 05:32:28,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422974312] [2023-12-16 05:32:28,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:28,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:32:28,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:28,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:32:28,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:32:28,465 INFO L87 Difference]: Start difference. First operand 501 states and 785 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-16 05:32:28,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:28,607 INFO L93 Difference]: Finished difference Result 995 states and 1563 transitions. [2023-12-16 05:32:28,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:32:28,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 168 [2023-12-16 05:32:28,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:28,612 INFO L225 Difference]: With dead ends: 995 [2023-12-16 05:32:28,612 INFO L226 Difference]: Without dead ends: 503 [2023-12-16 05:32:28,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 204 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 05:32:28,614 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 8 mSDsluCounter, 1867 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 05:32:28,614 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 05:32:28,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2023-12-16 05:32:28,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2023-12-16 05:32:28,633 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 05:32:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 791 transitions. [2023-12-16 05:32:28,637 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 791 transitions. Word has length 168 [2023-12-16 05:32:28,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:28,637 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 791 transitions. [2023-12-16 05:32:28,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-16 05:32:28,637 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 791 transitions. [2023-12-16 05:32:28,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-16 05:32:28,641 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:28,641 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, 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] [2023-12-16 05:32:28,652 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 05:32:28,849 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 05:32:28,850 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:28,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:28,850 INFO L85 PathProgramCache]: Analyzing trace with hash 771035920, now seen corresponding path program 1 times [2023-12-16 05:32:28,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:28,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211866972] [2023-12-16 05:32:28,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:28,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-16 05:32:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:32:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-16 05:32:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:32:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:32:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:32:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:32:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:32:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:32:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:32:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:32:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:32:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:32:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:32:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-16 05:32:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-16 05:32:29,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:29,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211866972] [2023-12-16 05:32:29,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211866972] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:29,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:29,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:32:29,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101010361] [2023-12-16 05:32:29,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:29,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:32:29,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:29,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:32:29,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:32:29,126 INFO L87 Difference]: Start difference. First operand 503 states and 791 transitions. Second operand has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-16 05:32:31,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:31,995 INFO L93 Difference]: Finished difference Result 1182 states and 1896 transitions. [2023-12-16 05:32:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:32:31,996 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 169 [2023-12-16 05:32:31,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:32,001 INFO L225 Difference]: With dead ends: 1182 [2023-12-16 05:32:32,001 INFO L226 Difference]: Without dead ends: 698 [2023-12-16 05:32:32,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:32:32,009 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1629 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3154 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 3154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:32,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 1242 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 3154 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-16 05:32:32,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2023-12-16 05:32:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 503. [2023-12-16 05:32:32,086 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 05:32:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 790 transitions. [2023-12-16 05:32:32,089 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 790 transitions. Word has length 169 [2023-12-16 05:32:32,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:32,090 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 790 transitions. [2023-12-16 05:32:32,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-16 05:32:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 790 transitions. [2023-12-16 05:32:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-16 05:32:32,093 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:32,093 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:32,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:32:32,093 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:32,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:32,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1055127813, now seen corresponding path program 1 times [2023-12-16 05:32:32,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:32,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560645559] [2023-12-16 05:32:32,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:32,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 05:32:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:32:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:32:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:32:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:32:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:32:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:32:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:32:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:32:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:32:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:32:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:32:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 05:32:32,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:32,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560645559] [2023-12-16 05:32:32,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560645559] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:32,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:32,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:32:32,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817159611] [2023-12-16 05:32:32,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:32,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:32:32,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:32,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:32:32,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:32:32,329 INFO L87 Difference]: Start difference. First operand 503 states and 790 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 05:32:34,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:34,761 INFO L93 Difference]: Finished difference Result 1184 states and 1899 transitions. [2023-12-16 05:32:34,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:32:34,762 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 152 [2023-12-16 05:32:34,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:34,766 INFO L225 Difference]: With dead ends: 1184 [2023-12-16 05:32:34,766 INFO L226 Difference]: Without dead ends: 700 [2023-12-16 05:32:34,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 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 05:32:34,769 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1630 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3076 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 3705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 3076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:34,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 1240 Invalid, 3705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 3076 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-16 05:32:34,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-12-16 05:32:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2023-12-16 05:32:34,809 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 05:32:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 793 transitions. [2023-12-16 05:32:34,812 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 793 transitions. Word has length 152 [2023-12-16 05:32:34,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:34,813 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 793 transitions. [2023-12-16 05:32:34,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 05:32:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 793 transitions. [2023-12-16 05:32:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-16 05:32:34,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:34,816 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:34,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:32:34,816 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:34,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:34,817 INFO L85 PathProgramCache]: Analyzing trace with hash 336687268, now seen corresponding path program 1 times [2023-12-16 05:32:34,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:34,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517807865] [2023-12-16 05:32:34,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:34,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:34,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:34,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:34,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:34,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:34,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:32:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:32:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:32:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:32:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:32:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:32:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:32:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:32:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:32:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:32:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-16 05:32:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-16 05:32:35,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517807865] [2023-12-16 05:32:35,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517807865] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:35,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:35,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:32:35,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283846516] [2023-12-16 05:32:35,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:35,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:32:35,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:35,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:32:35,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:32:35,056 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, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-16 05:32:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:38,749 INFO L93 Difference]: Finished difference Result 1182 states and 1894 transitions. [2023-12-16 05:32:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:32:38,750 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, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 153 [2023-12-16 05:32:38,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:38,755 INFO L225 Difference]: With dead ends: 1182 [2023-12-16 05:32:38,755 INFO L226 Difference]: Without dead ends: 700 [2023-12-16 05:32:38,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:32:38,759 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1572 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5463 mSolverCounterSat, 614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 6077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 5463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:38,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 1718 Invalid, 6077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 5463 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-16 05:32:38,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-12-16 05:32:38,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2023-12-16 05:32:38,796 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 05:32:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 792 transitions. [2023-12-16 05:32:38,799 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 792 transitions. Word has length 153 [2023-12-16 05:32:38,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:38,800 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 792 transitions. [2023-12-16 05:32:38,800 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, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-16 05:32:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 792 transitions. [2023-12-16 05:32:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-16 05:32:38,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:38,803 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:38,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:32:38,803 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:38,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:38,804 INFO L85 PathProgramCache]: Analyzing trace with hash 376986635, now seen corresponding path program 2 times [2023-12-16 05:32:38,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:38,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3325755] [2023-12-16 05:32:38,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:38,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:32:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:32:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:32:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:32:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:32:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:32:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:32:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:32:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:32:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 05:32:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-16 05:32:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-16 05:32:39,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:39,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3325755] [2023-12-16 05:32:39,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3325755] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:39,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:39,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:32:39,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074878270] [2023-12-16 05:32:39,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:39,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:32:39,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:39,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:32:39,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:32:39,049 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, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-16 05:32:42,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:42,544 INFO L93 Difference]: Finished difference Result 1184 states and 1900 transitions. [2023-12-16 05:32:42,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:32:42,544 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, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 154 [2023-12-16 05:32:42,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:42,549 INFO L225 Difference]: With dead ends: 1184 [2023-12-16 05:32:42,549 INFO L226 Difference]: Without dead ends: 702 [2023-12-16 05:32:42,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:32:42,552 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1684 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5029 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 5676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 5029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:42,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 1718 Invalid, 5676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 5029 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-16 05:32:42,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-12-16 05:32:42,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 507. [2023-12-16 05:32:42,585 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 05:32:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 798 transitions. [2023-12-16 05:32:42,588 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 798 transitions. Word has length 154 [2023-12-16 05:32:42,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:42,588 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 798 transitions. [2023-12-16 05:32:42,588 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, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-16 05:32:42,588 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 798 transitions. [2023-12-16 05:32:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 05:32:42,591 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:42,591 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 05:32:42,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:32:42,592 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:42,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:42,592 INFO L85 PathProgramCache]: Analyzing trace with hash 6146633, now seen corresponding path program 1 times [2023-12-16 05:32:42,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:42,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345489984] [2023-12-16 05:32:42,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:42,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:32:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:32:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:32:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:32:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:32:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:32:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:32:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:32:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:32:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:32:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-16 05:32:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-16 05:32:42,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:42,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345489984] [2023-12-16 05:32:42,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345489984] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:32:42,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043326784] [2023-12-16 05:32:42,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:32:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:32:42,861 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 05:32:42,868 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 05:32:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:43,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:32:43,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:32:43,229 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-16 05:32:43,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:32:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-16 05:32:43,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043326784] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:32:43,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:32:43,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-16 05:32:43,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46754734] [2023-12-16 05:32:43,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:32:43,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-16 05:32:43,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:43,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-16 05:32:43,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:32:43,338 INFO L87 Difference]: Start difference. First operand 507 states and 798 transitions. Second operand has 15 states, 14 states have (on average 10.571428571428571) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2023-12-16 05:32:47,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:47,547 INFO L93 Difference]: Finished difference Result 1623 states and 2711 transitions. [2023-12-16 05:32:47,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 05:32:47,548 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.571428571428571) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 155 [2023-12-16 05:32:47,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:47,555 INFO L225 Difference]: With dead ends: 1623 [2023-12-16 05:32:47,555 INFO L226 Difference]: Without dead ends: 1142 [2023-12-16 05:32:47,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-16 05:32:47,558 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 2789 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 6471 mSolverCounterSat, 1038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 2093 SdHoareTripleChecker+Invalid, 7509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1038 IncrementalHoareTripleChecker+Valid, 6471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:47,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 2093 Invalid, 7509 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1038 Valid, 6471 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-16 05:32:47,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2023-12-16 05:32:47,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 932. [2023-12-16 05:32:47,611 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 05:32:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1554 transitions. [2023-12-16 05:32:47,616 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1554 transitions. Word has length 155 [2023-12-16 05:32:47,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:47,617 INFO L495 AbstractCegarLoop]: Abstraction has 932 states and 1554 transitions. [2023-12-16 05:32:47,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.571428571428571) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2023-12-16 05:32:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1554 transitions. [2023-12-16 05:32:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-16 05:32:47,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:47,622 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, 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] [2023-12-16 05:32:47,631 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 05:32:47,831 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 05:32:47,832 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:47,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:47,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1720397872, now seen corresponding path program 1 times [2023-12-16 05:32:47,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:47,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530742646] [2023-12-16 05:32:47,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:47,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:32:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:32:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:32:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:32:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:32:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:32:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:32:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:32:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:32:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:32:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:32:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:32:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-16 05:32:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-12-16 05:32:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-16 05:32:47,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:47,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530742646] [2023-12-16 05:32:47,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530742646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:47,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:47,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:32:47,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923801994] [2023-12-16 05:32:47,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:47,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:32:47,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:47,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:32:47,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:32:47,994 INFO L87 Difference]: Start difference. First operand 932 states and 1554 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, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:32:49,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:49,918 INFO L93 Difference]: Finished difference Result 2398 states and 4100 transitions. [2023-12-16 05:32:49,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:32:49,918 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, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2023-12-16 05:32:49,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:49,926 INFO L225 Difference]: With dead ends: 2398 [2023-12-16 05:32:49,926 INFO L226 Difference]: Without dead ends: 1534 [2023-12-16 05:32:49,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 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 05:32:49,929 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1674 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:49,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1692 Valid, 951 Invalid, 2503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [638 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 05:32:49,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2023-12-16 05:32:49,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1334. [2023-12-16 05:32:49,992 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 05:32:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 2269 transitions. [2023-12-16 05:32:49,997 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 2269 transitions. Word has length 177 [2023-12-16 05:32:49,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:49,997 INFO L495 AbstractCegarLoop]: Abstraction has 1334 states and 2269 transitions. [2023-12-16 05:32:49,998 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, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:32:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2269 transitions. [2023-12-16 05:32:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-16 05:32:50,005 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:50,005 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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 05:32:50,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:32:50,006 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:50,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:50,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1713826840, now seen corresponding path program 1 times [2023-12-16 05:32:50,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:50,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855894225] [2023-12-16 05:32:50,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:50,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:32:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:32:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:32:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:32:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:32:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:32:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:32:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:32:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:32:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:32:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-16 05:32:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:50,127 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 05:32:50,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:50,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855894225] [2023-12-16 05:32:50,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855894225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:50,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:50,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:32:50,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739392244] [2023-12-16 05:32:50,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:50,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:32:50,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:50,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:32:50,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:32:50,130 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:32:52,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:52,284 INFO L93 Difference]: Finished difference Result 3401 states and 5877 transitions. [2023-12-16 05:32:52,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:32:52,285 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2023-12-16 05:32:52,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:52,310 INFO L225 Difference]: With dead ends: 3401 [2023-12-16 05:32:52,310 INFO L226 Difference]: Without dead ends: 2185 [2023-12-16 05:32:52,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 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 05:32:52,331 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1678 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 673 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 673 IncrementalHoareTripleChecker+Valid, 1771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:52,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1697 Valid, 909 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [673 Valid, 1771 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 05:32:52,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2023-12-16 05:32:52,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 1985. [2023-12-16 05:32:52,423 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 05:32:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 3403 transitions. [2023-12-16 05:32:52,430 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 3403 transitions. Word has length 160 [2023-12-16 05:32:52,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:52,431 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 3403 transitions. [2023-12-16 05:32:52,432 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:32:52,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 3403 transitions. [2023-12-16 05:32:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-16 05:32:52,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:52,457 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, 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 05:32:52,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 05:32:52,457 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:52,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:52,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1047802654, now seen corresponding path program 1 times [2023-12-16 05:32:52,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:52,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806001863] [2023-12-16 05:32:52,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:52,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:32:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:32:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:32:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:32:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:32:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:32:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:32:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:32:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:32:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:32:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 05:32:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-16 05:32:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-16 05:32:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-16 05:32:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-16 05:32:52,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:52,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806001863] [2023-12-16 05:32:52,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806001863] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:52,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:52,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:32:52,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813359640] [2023-12-16 05:32:52,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:52,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:32:52,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:52,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:32:52,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:32:52,594 INFO L87 Difference]: Start difference. First operand 1985 states and 3403 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, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:32:54,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:54,689 INFO L93 Difference]: Finished difference Result 4925 states and 8595 transitions. [2023-12-16 05:32:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:32:54,690 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, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 179 [2023-12-16 05:32:54,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:54,729 INFO L225 Difference]: With dead ends: 4925 [2023-12-16 05:32:54,730 INFO L226 Difference]: Without dead ends: 3186 [2023-12-16 05:32:54,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 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 05:32:54,751 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1669 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1849 mSolverCounterSat, 665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1687 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 1849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:54,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1687 Valid, 913 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [665 Valid, 1849 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 05:32:54,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2023-12-16 05:32:55,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2986. [2023-12-16 05:32:55,036 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 05:32:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 5159 transitions. [2023-12-16 05:32:55,048 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 5159 transitions. Word has length 179 [2023-12-16 05:32:55,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:55,048 INFO L495 AbstractCegarLoop]: Abstraction has 2986 states and 5159 transitions. [2023-12-16 05:32:55,048 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, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:32:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 5159 transitions. [2023-12-16 05:32:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-16 05:32:55,094 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:55,095 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, 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 05:32:55,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 05:32:55,095 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:55,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:55,095 INFO L85 PathProgramCache]: Analyzing trace with hash -2056750134, now seen corresponding path program 1 times [2023-12-16 05:32:55,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:55,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540417895] [2023-12-16 05:32:55,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:55,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:32:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:32:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:32:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:32:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:32:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:32:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:32:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:32:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:32:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:32:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-16 05:32:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-16 05:32:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-16 05:32:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-16 05:32:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-16 05:32:55,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:55,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540417895] [2023-12-16 05:32:55,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540417895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:55,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:55,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:32:55,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635874035] [2023-12-16 05:32:55,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:55,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:32:55,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:55,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:32:55,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:32:55,289 INFO L87 Difference]: Start difference. First operand 2986 states and 5159 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:32:57,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:32:57,311 INFO L93 Difference]: Finished difference Result 7337 states and 12908 transitions. [2023-12-16 05:32:57,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:32:57,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 180 [2023-12-16 05:32:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:32:57,369 INFO L225 Difference]: With dead ends: 7337 [2023-12-16 05:32:57,369 INFO L226 Difference]: Without dead ends: 4806 [2023-12-16 05:32:57,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 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 05:32:57,392 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1657 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 2492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:57,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 913 Invalid, 2492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 1841 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 05:32:57,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2023-12-16 05:32:57,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4606. [2023-12-16 05:32:57,799 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 05:32:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4606 states to 4606 states and 7997 transitions. [2023-12-16 05:32:57,828 INFO L78 Accepts]: Start accepts. Automaton has 4606 states and 7997 transitions. Word has length 180 [2023-12-16 05:32:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:57,829 INFO L495 AbstractCegarLoop]: Abstraction has 4606 states and 7997 transitions. [2023-12-16 05:32:57,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:32:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4606 states and 7997 transitions. [2023-12-16 05:32:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-16 05:32:57,856 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:57,856 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, 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 05:32:57,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 05:32:57,857 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:57,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:57,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1959128506, now seen corresponding path program 1 times [2023-12-16 05:32:57,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:57,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738351221] [2023-12-16 05:32:57,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:57,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:32:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:32:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:32:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:32:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:32:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:32:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:32:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:32:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-16 05:32:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:32:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:32:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-16 05:32:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-16 05:32:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-16 05:32:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:32:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-16 05:32:57,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:57,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738351221] [2023-12-16 05:32:57,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738351221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:57,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:57,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:32:57,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487044118] [2023-12-16 05:32:57,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:57,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:32:57,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:57,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:32:57,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:32:57,982 INFO L87 Difference]: Start difference. First operand 4606 states and 7997 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:33:00,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:00,004 INFO L93 Difference]: Finished difference Result 11414 states and 20161 transitions. [2023-12-16 05:33:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:00,004 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 181 [2023-12-16 05:33:00,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:00,045 INFO L225 Difference]: With dead ends: 11414 [2023-12-16 05:33:00,045 INFO L226 Difference]: Without dead ends: 7566 [2023-12-16 05:33:00,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 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 05:33:00,059 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1675 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 1843 mSolverCounterSat, 673 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 673 IncrementalHoareTripleChecker+Valid, 1843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:00,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 935 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [673 Valid, 1843 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 05:33:00,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2023-12-16 05:33:00,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7366. [2023-12-16 05:33:00,398 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 05:33:00,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7366 states to 7366 states and 12803 transitions. [2023-12-16 05:33:00,420 INFO L78 Accepts]: Start accepts. Automaton has 7366 states and 12803 transitions. Word has length 181 [2023-12-16 05:33:00,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:00,421 INFO L495 AbstractCegarLoop]: Abstraction has 7366 states and 12803 transitions. [2023-12-16 05:33:00,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:33:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 7366 states and 12803 transitions. [2023-12-16 05:33:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-16 05:33:00,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:00,453 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, 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 05:33:00,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 05:33:00,453 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:00,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:00,454 INFO L85 PathProgramCache]: Analyzing trace with hash 559350062, now seen corresponding path program 1 times [2023-12-16 05:33:00,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:00,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483550541] [2023-12-16 05:33:00,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:00,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:33:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:33:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:33:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:33:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:33:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:33:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:33:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:33:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:33:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-16 05:33:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-16 05:33:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-16 05:33:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-16 05:33:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:33:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-12-16 05:33:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:33:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-16 05:33:00,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:00,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483550541] [2023-12-16 05:33:00,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483550541] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:00,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:00,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:00,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857390323] [2023-12-16 05:33:00,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:00,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:00,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:00,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:00,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:00,566 INFO L87 Difference]: Start difference. First operand 7366 states and 12803 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:33:02,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:02,764 INFO L93 Difference]: Finished difference Result 18773 states and 33181 transitions. [2023-12-16 05:33:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:02,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 182 [2023-12-16 05:33:02,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:02,812 INFO L225 Difference]: With dead ends: 18773 [2023-12-16 05:33:02,812 INFO L226 Difference]: Without dead ends: 12551 [2023-12-16 05:33:02,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 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 05:33:02,835 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1739 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 2483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:02,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 918 Invalid, 2483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [683 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 05:33:02,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2023-12-16 05:33:03,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12351. [2023-12-16 05:33:03,329 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 05:33:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12351 states to 12351 states and 21499 transitions. [2023-12-16 05:33:03,371 INFO L78 Accepts]: Start accepts. Automaton has 12351 states and 21499 transitions. Word has length 182 [2023-12-16 05:33:03,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:03,371 INFO L495 AbstractCegarLoop]: Abstraction has 12351 states and 21499 transitions. [2023-12-16 05:33:03,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:33:03,371 INFO L276 IsEmpty]: Start isEmpty. Operand 12351 states and 21499 transitions. [2023-12-16 05:33:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-16 05:33:03,418 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:03,419 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, 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] [2023-12-16 05:33:03,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 05:33:03,419 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:03,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:03,419 INFO L85 PathProgramCache]: Analyzing trace with hash 944448264, now seen corresponding path program 1 times [2023-12-16 05:33:03,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:03,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158156969] [2023-12-16 05:33:03,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:03,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:33:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:33:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:33:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:33:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:33:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:33:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:33:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:33:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:33:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:33:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:33:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-16 05:33:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-16 05:33:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:33:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-16 05:33:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:33:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-16 05:33:03,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:03,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158156969] [2023-12-16 05:33:03,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158156969] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:03,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:03,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:03,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947072458] [2023-12-16 05:33:03,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:03,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:03,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:03,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:03,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:03,550 INFO L87 Difference]: Start difference. First operand 12351 states and 21499 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:33:05,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:05,927 INFO L93 Difference]: Finished difference Result 29739 states and 52364 transitions. [2023-12-16 05:33:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:05,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 183 [2023-12-16 05:33:05,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:06,008 INFO L225 Difference]: With dead ends: 29739 [2023-12-16 05:33:06,009 INFO L226 Difference]: Without dead ends: 19511 [2023-12-16 05:33:06,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 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 05:33:06,039 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1771 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:06,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1791 Valid, 896 Invalid, 2439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [708 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 05:33:06,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19511 states. [2023-12-16 05:33:06,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19511 to 19311. [2023-12-16 05:33:06,743 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 05:33:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19311 states to 19311 states and 33342 transitions. [2023-12-16 05:33:06,814 INFO L78 Accepts]: Start accepts. Automaton has 19311 states and 33342 transitions. Word has length 183 [2023-12-16 05:33:06,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:06,815 INFO L495 AbstractCegarLoop]: Abstraction has 19311 states and 33342 transitions. [2023-12-16 05:33:06,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:33:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 19311 states and 33342 transitions. [2023-12-16 05:33:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-16 05:33:06,875 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:06,876 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, 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 05:33:06,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 05:33:06,876 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:06,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:06,876 INFO L85 PathProgramCache]: Analyzing trace with hash 280675151, now seen corresponding path program 1 times [2023-12-16 05:33:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:06,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461262493] [2023-12-16 05:33:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:33:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:33:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:33:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:33:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:33:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:33:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:33:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:33:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:33:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:33:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-16 05:33:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-16 05:33:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-16 05:33:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:33:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-12-16 05:33:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:33:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-16 05:33:07,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:07,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461262493] [2023-12-16 05:33:07,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461262493] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:07,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:07,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095532959] [2023-12-16 05:33:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:07,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:07,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:07,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:07,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:07,005 INFO L87 Difference]: Start difference. First operand 19311 states and 33342 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:33:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:33:10,386 INFO L93 Difference]: Finished difference Result 51180 states and 89897 transitions. [2023-12-16 05:33:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:10,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 184 [2023-12-16 05:33:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:33:10,661 INFO L225 Difference]: With dead ends: 51180 [2023-12-16 05:33:10,661 INFO L226 Difference]: Without dead ends: 34640 [2023-12-16 05:33:10,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 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 05:33:10,702 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1659 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 663 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:10,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 914 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [663 Valid, 1884 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 05:33:10,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34640 states. [2023-12-16 05:33:12,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34640 to 34440. [2023-12-16 05:33:12,053 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 05:33:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34440 states to 34440 states and 59401 transitions. [2023-12-16 05:33:12,194 INFO L78 Accepts]: Start accepts. Automaton has 34440 states and 59401 transitions. Word has length 184 [2023-12-16 05:33:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:33:12,194 INFO L495 AbstractCegarLoop]: Abstraction has 34440 states and 59401 transitions. [2023-12-16 05:33:12,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-16 05:33:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 34440 states and 59401 transitions. [2023-12-16 05:33:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-16 05:33:12,277 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:33:12,278 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:33:12,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 05:33:12,278 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:33:12,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:33:12,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1656335599, now seen corresponding path program 1 times [2023-12-16 05:33:12,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:33:12,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521816019] [2023-12-16 05:33:12,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:33:12,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:33:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:33:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:33:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:33:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:33:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:33:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:33:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:33:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:33:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:33:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:33:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:33:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:33:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:33:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:33:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:33:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:33:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:33:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-16 05:33:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:33:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:33:12,387 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 05:33:12,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:33:12,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521816019] [2023-12-16 05:33:12,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521816019] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:33:12,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:33:12,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:33:12,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281727240] [2023-12-16 05:33:12,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:33:12,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:33:12,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:33:12,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:33:12,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:33:12,390 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Received shutdown request... [2023-12-16 05:33:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:33:15,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 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 05:33:15,207 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1501 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:33:15,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 921 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:33:15,209 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:33:15,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 05:33:15,211 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (34440states) and FLOYD_HOARE automaton (currently 9 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (50601 states constructed, input type IntersectNwa). [2023-12-16 05:33:15,223 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 05:33:15,225 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:33:15,235 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:33:15,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:33:15 BoogieIcfgContainer [2023-12-16 05:33:15,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:33:15,241 INFO L158 Benchmark]: Toolchain (without parser) took 56156.83ms. Allocated memory was 352.3MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 299.0MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 759.8MB. Max. memory is 8.0GB. [2023-12-16 05:33:15,242 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 176.2MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:33:15,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1109.49ms. Allocated memory is still 352.3MB. Free memory was 298.7MB in the beginning and 312.0MB in the end (delta: -13.2MB). Peak memory consumption was 47.1MB. Max. memory is 8.0GB. [2023-12-16 05:33:15,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.91ms. Allocated memory is still 352.3MB. Free memory was 312.0MB in the beginning and 305.7MB in the end (delta: 6.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 05:33:15,242 INFO L158 Benchmark]: Boogie Preprocessor took 133.62ms. Allocated memory is still 352.3MB. Free memory was 305.1MB in the beginning and 297.3MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 05:33:15,242 INFO L158 Benchmark]: RCFGBuilder took 1340.10ms. Allocated memory is still 352.3MB. Free memory was 297.3MB in the beginning and 210.3MB in the end (delta: 87.0MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. [2023-12-16 05:33:15,243 INFO L158 Benchmark]: TraceAbstraction took 53476.39ms. Allocated memory was 352.3MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 209.7MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 670.8MB. Max. memory is 8.0GB. [2023-12-16 05:33:15,244 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 176.2MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1109.49ms. Allocated memory is still 352.3MB. Free memory was 298.7MB in the beginning and 312.0MB in the end (delta: -13.2MB). Peak memory consumption was 47.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.91ms. Allocated memory is still 352.3MB. Free memory was 312.0MB in the beginning and 305.7MB in the end (delta: 6.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 133.62ms. Allocated memory is still 352.3MB. Free memory was 305.1MB in the beginning and 297.3MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1340.10ms. Allocated memory is still 352.3MB. Free memory was 297.3MB in the beginning and 210.3MB in the end (delta: 87.0MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. * TraceAbstraction took 53476.39ms. Allocated memory was 352.3MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 209.7MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 670.8MB. 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,"EmailLib.i","") [48] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] - GenericResultAtLocation [Line: 1540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1540] - GenericResultAtLocation [Line: 1573]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1573] - GenericResultAtLocation [Line: 1939]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1939] - GenericResultAtLocation [Line: 2172]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2172] - GenericResultAtLocation [Line: 2190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2190] - GenericResultAtLocation [Line: 2327]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2327] - GenericResultAtLocation [Line: 2766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2766] - GenericResultAtLocation [Line: 2775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2775] - GenericResultAtLocation [Line: 2813]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2813] * 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: 2771]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2771). Cancelled while NwaCegarLoop was constructing difference of abstraction (34440states) and FLOYD_HOARE automaton (currently 9 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (50601 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 431 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.4s, OverallIterations: 19, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 39.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24691 SdHoareTripleChecker+Valid, 31.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24479 mSDsluCounter, 24445 SdHoareTripleChecker+Invalid, 26.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18484 mSDsCounter, 9387 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39550 IncrementalHoareTripleChecker+Invalid, 48937 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9387 mSolverCounterUnsat, 5961 mSDtfsCounter, 39550 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2080 GetRequests, 1829 SyntacticMatches, 0 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34440occurred in iteration=18, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 2595 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 4023 NumberOfCodeBlocks, 4023 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 4152 ConstructedInterpolants, 0 QuantifiedInterpolants, 6052 SizeOfPredicates, 8 NumberOfNonLiveVariables, 7698 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 1344/1370 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