/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_spec27_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 09:47:18,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 09:47:18,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 09:47:18,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 09:47:18,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 09:47:18,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 09:47:18,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 09:47:18,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 09:47:18,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 09:47:18,166 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 09:47:18,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 09:47:18,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 09:47:18,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 09:47:18,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 09:47:18,168 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 09:47:18,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 09:47:18,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 09:47:18,168 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 09:47:18,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 09:47:18,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 09:47:18,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 09:47:18,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 09:47:18,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 09:47:18,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 09:47:18,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 09:47:18,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 09:47:18,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 09:47:18,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 09:47:18,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 09:47:18,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 09:47:18,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 09:47:18,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 09:47:18,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 09:47:18,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 09:47:18,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 09:47:18,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 09:47:18,173 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 09:47:18,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 09:47:18,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 09:47:18,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 09:47:18,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 09:47:18,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 09:47:18,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 09:47:18,174 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 09:47:18,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 09:47:18,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 09:47:18,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 09:47:18,417 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 09:47:18,418 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 09:47:18,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product35.cil.c [2023-12-21 09:47:19,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 09:47:19,656 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 09:47:19,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product35.cil.c [2023-12-21 09:47:19,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a99ba72/7f4a96dc5cf742f9843ddeb96f0906f2/FLAGe27395b3b [2023-12-21 09:47:19,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a99ba72/7f4a96dc5cf742f9843ddeb96f0906f2 [2023-12-21 09:47:19,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 09:47:19,684 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 09:47:19,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 09:47:19,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 09:47:19,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 09:47:19,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:47:19" (1/1) ... [2023-12-21 09:47:19,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ac7856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:19, skipping insertion in model container [2023-12-21 09:47:19,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:47:19" (1/1) ... [2023-12-21 09:47:19,744 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 09:47:20,090 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_spec27_product35.cil.c[40704,40717] [2023-12-21 09:47:20,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 09:47:20,220 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 09:47:20,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2023-12-21 09:47:20,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [208] [2023-12-21 09:47:20,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [225] [2023-12-21 09:47:20,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1305] [2023-12-21 09:47:20,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1671] [2023-12-21 09:47:20,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1680] [2023-12-21 09:47:20,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1718] [2023-12-21 09:47:20,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2120] [2023-12-21 09:47:20,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2560] [2023-12-21 09:47:20,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2591] [2023-12-21 09:47:20,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2901] [2023-12-21 09:47:20,263 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_spec27_product35.cil.c[40704,40717] [2023-12-21 09:47:20,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 09:47:20,341 INFO L206 MainTranslator]: Completed translation [2023-12-21 09:47:20,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20 WrapperNode [2023-12-21 09:47:20,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 09:47:20,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 09:47:20,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 09:47:20,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 09:47:20,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,445 INFO L138 Inliner]: procedures = 137, calls = 228, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1122 [2023-12-21 09:47:20,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 09:47:20,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 09:47:20,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 09:47:20,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 09:47:20,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,462 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,502 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]. [2023-12-21 09:47:20,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 09:47:20,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 09:47:20,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 09:47:20,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 09:47:20,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (1/1) ... [2023-12-21 09:47:20,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 09:47:20,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:47:20,601 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) [2023-12-21 09:47:20,622 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 [2023-12-21 09:47:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-21 09:47:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-21 09:47:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-21 09:47:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-21 09:47:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-21 09:47:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-21 09:47:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-21 09:47:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-21 09:47:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-21 09:47:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-21 09:47:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-21 09:47:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-21 09:47:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-21 09:47:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-21 09:47:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-21 09:47:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-21 09:47:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-21 09:47:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-21 09:47:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-21 09:47:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-21 09:47:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-21 09:47:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-21 09:47:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-21 09:47:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-21 09:47:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-21 09:47:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-21 09:47:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-21 09:47:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-21 09:47:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-21 09:47:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-21 09:47:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-21 09:47:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-21 09:47:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 09:47:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-21 09:47:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-21 09:47:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-21 09:47:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-21 09:47:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-21 09:47:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-21 09:47:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-21 09:47:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-21 09:47:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-21 09:47:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-21 09:47:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-21 09:47:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-21 09:47:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-12-21 09:47:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-12-21 09:47:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-21 09:47:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-21 09:47:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-21 09:47:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-21 09:47:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-21 09:47:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-21 09:47:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-21 09:47:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-21 09:47:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-21 09:47:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-21 09:47:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 09:47:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 09:47:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 09:47:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 09:47:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-21 09:47:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-21 09:47:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-21 09:47:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-21 09:47:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 09:47:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 09:47:20,841 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 09:47:20,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 09:47:21,536 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 09:47:21,633 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 09:47:21,633 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 09:47:21,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:47:21 BoogieIcfgContainer [2023-12-21 09:47:21,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 09:47:21,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 09:47:21,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 09:47:21,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 09:47:21,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 09:47:19" (1/3) ... [2023-12-21 09:47:21,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ecff66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:47:21, skipping insertion in model container [2023-12-21 09:47:21,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:47:20" (2/3) ... [2023-12-21 09:47:21,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ecff66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:47:21, skipping insertion in model container [2023-12-21 09:47:21,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:47:21" (3/3) ... [2023-12-21 09:47:21,640 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product35.cil.c [2023-12-21 09:47:21,653 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 09:47:21,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 09:47:21,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 09:47:21,714 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;@35e9a848, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 09:47:21,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 09:47:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 440 states, 331 states have (on average 1.5830815709969788) internal successors, (524), 336 states have internal predecessors, (524), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2023-12-21 09:47:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-21 09:47:21,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:21,753 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:21,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:21,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:21,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1745353607, now seen corresponding path program 1 times [2023-12-21 09:47:21,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:21,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79424733] [2023-12-21 09:47:21,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:21,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:47:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:47:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:47:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 09:47:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-21 09:47:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:47:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:47:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 09:47:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:47:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:47:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:47:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:47:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 09:47:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-21 09:47:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 09:47:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-21 09:47:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-21 09:47:22,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:22,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79424733] [2023-12-21 09:47:22,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79424733] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:47:22,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149043652] [2023-12-21 09:47:22,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:22,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:47:22,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:47:22,426 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) [2023-12-21 09:47:22,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 09:47:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:22,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 09:47:22,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:47:22,793 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-21 09:47:22,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:47:22,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149043652] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:22,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:47:22,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-21 09:47:22,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407863391] [2023-12-21 09:47:22,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:22,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 09:47:22,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:22,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 09:47:22,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:47:22,831 INFO L87 Difference]: Start difference. First operand has 440 states, 331 states have (on average 1.5830815709969788) internal successors, (524), 336 states have internal predecessors, (524), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:22,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:22,912 INFO L93 Difference]: Finished difference Result 692 states and 1048 transitions. [2023-12-21 09:47:22,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 09:47:22,917 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 145 [2023-12-21 09:47:22,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:22,926 INFO L225 Difference]: With dead ends: 692 [2023-12-21 09:47:22,926 INFO L226 Difference]: Without dead ends: 437 [2023-12-21 09:47:22,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:47:22,937 INFO L413 NwaCegarLoop]: 654 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, 654 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:22,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 654 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:47:22,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2023-12-21 09:47:23,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2023-12-21 09:47:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 329 states have (on average 1.5714285714285714) internal successors, (517), 333 states have internal predecessors, (517), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2023-12-21 09:47:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 670 transitions. [2023-12-21 09:47:23,007 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 670 transitions. Word has length 145 [2023-12-21 09:47:23,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:23,012 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 670 transitions. [2023-12-21 09:47:23,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 670 transitions. [2023-12-21 09:47:23,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-21 09:47:23,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:23,024 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:23,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 09:47:23,234 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 [2023-12-21 09:47:23,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:23,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:23,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1762112689, now seen corresponding path program 1 times [2023-12-21 09:47:23,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:23,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537481304] [2023-12-21 09:47:23,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:23,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:47:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:47:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:47:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 09:47:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 09:47:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 09:47:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:47:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 09:47:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:47:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:47:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:47:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:47:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:47:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:47:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 09:47:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 09:47:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-21 09:47:23,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:23,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537481304] [2023-12-21 09:47:23,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537481304] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:47:23,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29513571] [2023-12-21 09:47:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:23,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:47:23,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:47:23,586 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) [2023-12-21 09:47:23,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 09:47:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:23,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 09:47:23,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:47:23,902 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-21 09:47:23,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:47:23,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29513571] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:23,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:47:23,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-21 09:47:23,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689752611] [2023-12-21 09:47:23,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:23,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 09:47:23,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:23,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 09:47:23,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:47:23,905 INFO L87 Difference]: Start difference. First operand 437 states and 670 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:23,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:23,971 INFO L93 Difference]: Finished difference Result 688 states and 1032 transitions. [2023-12-21 09:47:23,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 09:47:23,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 146 [2023-12-21 09:47:23,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:23,978 INFO L225 Difference]: With dead ends: 688 [2023-12-21 09:47:23,979 INFO L226 Difference]: Without dead ends: 439 [2023-12-21 09:47:23,980 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 [2023-12-21 09:47:23,983 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 0 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:23,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1301 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:47:23,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-12-21 09:47:24,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2023-12-21 09:47:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 331 states have (on average 1.56797583081571) internal successors, (519), 335 states have internal predecessors, (519), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2023-12-21 09:47:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 672 transitions. [2023-12-21 09:47:24,018 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 672 transitions. Word has length 146 [2023-12-21 09:47:24,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:24,019 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 672 transitions. [2023-12-21 09:47:24,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 672 transitions. [2023-12-21 09:47:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-21 09:47:24,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:24,026 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-21 09:47:24,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 09:47:24,243 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 [2023-12-21 09:47:24,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:24,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:24,244 INFO L85 PathProgramCache]: Analyzing trace with hash -877394611, now seen corresponding path program 1 times [2023-12-21 09:47:24,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:24,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422268527] [2023-12-21 09:47:24,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:47:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:47:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:47:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-21 09:47:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:47:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:47:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:47:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:47:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:47:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 09:47:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-21 09:47:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 09:47:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 09:47:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:47:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 09:47:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-21 09:47:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 09:47:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-21 09:47:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-21 09:47:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-21 09:47:24,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:24,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422268527] [2023-12-21 09:47:24,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422268527] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:47:24,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749030894] [2023-12-21 09:47:24,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:24,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:47:24,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:47:24,482 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) [2023-12-21 09:47:24,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 09:47:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:24,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 09:47:24,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:47:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-21 09:47:24,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:47:24,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749030894] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:24,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:47:24,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-21 09:47:24,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187572676] [2023-12-21 09:47:24,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:24,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 09:47:24,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:24,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 09:47:24,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:47:24,781 INFO L87 Difference]: Start difference. First operand 439 states and 672 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:24,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:24,868 INFO L93 Difference]: Finished difference Result 930 states and 1443 transitions. [2023-12-21 09:47:24,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 09:47:24,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 171 [2023-12-21 09:47:24,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:24,872 INFO L225 Difference]: With dead ends: 930 [2023-12-21 09:47:24,872 INFO L226 Difference]: Without dead ends: 513 [2023-12-21 09:47:24,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:47:24,875 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 136 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1272 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 [2023-12-21 09:47:24,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1272 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:47:24,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2023-12-21 09:47:24,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 508. [2023-12-21 09:47:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 386 states have (on average 1.5880829015544042) internal successors, (613), 390 states have internal predecessors, (613), 91 states have call successors, (91), 30 states have call predecessors, (91), 30 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-12-21 09:47:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 794 transitions. [2023-12-21 09:47:24,905 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 794 transitions. Word has length 171 [2023-12-21 09:47:24,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:24,906 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 794 transitions. [2023-12-21 09:47:24,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:24,906 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 794 transitions. [2023-12-21 09:47:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-21 09:47:24,908 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:24,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-21 09:47:24,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-21 09:47:25,115 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 [2023-12-21 09:47:25,118 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:25,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:25,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1421493991, now seen corresponding path program 1 times [2023-12-21 09:47:25,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:25,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360104747] [2023-12-21 09:47:25,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:25,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:47:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:47:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:47:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-21 09:47:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 09:47:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:47:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 09:47:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:47:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 09:47:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:47:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:47:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:47:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:47:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-21 09:47:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 09:47:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-21 09:47:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-21 09:47:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-21 09:47:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-12-21 09:47:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-21 09:47:25,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360104747] [2023-12-21 09:47:25,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360104747] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:47:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487302758] [2023-12-21 09:47:25,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:25,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:47:25,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:47:25,305 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) [2023-12-21 09:47:25,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 09:47:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:25,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-21 09:47:25,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:47:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-21 09:47:25,644 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:47:25,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487302758] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:25,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:47:25,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-21 09:47:25,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878956847] [2023-12-21 09:47:25,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:25,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 09:47:25,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:25,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 09:47:25,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-21 09:47:25,647 INFO L87 Difference]: Start difference. First operand 508 states and 794 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-21 09:47:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:25,728 INFO L93 Difference]: Finished difference Result 1011 states and 1582 transitions. [2023-12-21 09:47:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 09:47:25,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 172 [2023-12-21 09:47:25,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:25,732 INFO L225 Difference]: With dead ends: 1011 [2023-12-21 09:47:25,732 INFO L226 Difference]: Without dead ends: 510 [2023-12-21 09:47:25,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:47:25,734 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 8 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2557 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:25,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2557 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:47:25,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-12-21 09:47:25,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2023-12-21 09:47:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 387 states have (on average 1.5865633074935401) internal successors, (614), 392 states have internal predecessors, (614), 91 states have call successors, (91), 30 states have call predecessors, (91), 31 states have return successors, (92), 89 states have call predecessors, (92), 90 states have call successors, (92) [2023-12-21 09:47:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 797 transitions. [2023-12-21 09:47:25,760 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 797 transitions. Word has length 172 [2023-12-21 09:47:25,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:25,760 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 797 transitions. [2023-12-21 09:47:25,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-21 09:47:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 797 transitions. [2023-12-21 09:47:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-21 09:47:25,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:25,763 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-12-21 09:47:25,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 09:47:25,982 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 [2023-12-21 09:47:25,982 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:25,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:25,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1856577998, now seen corresponding path program 1 times [2023-12-21 09:47:25,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:25,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322501224] [2023-12-21 09:47:25,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:25,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-21 09:47:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-21 09:47:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-21 09:47:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 09:47:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 09:47:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 09:47:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:47:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:47:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:47:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:47:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:47:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 09:47:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 09:47:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 09:47:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 09:47:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-21 09:47:26,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:26,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322501224] [2023-12-21 09:47:26,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322501224] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:47:26,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364745005] [2023-12-21 09:47:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:26,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:47:26,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:47:26,183 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) [2023-12-21 09:47:26,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 09:47:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:26,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 09:47:26,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:47:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:47:26,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:47:26,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364745005] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:26,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:47:26,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-21 09:47:26,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82058722] [2023-12-21 09:47:26,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:26,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 09:47:26,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:26,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 09:47:26,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-21 09:47:26,575 INFO L87 Difference]: Start difference. First operand 510 states and 797 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-21 09:47:26,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:26,665 INFO L93 Difference]: Finished difference Result 1013 states and 1587 transitions. [2023-12-21 09:47:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 09:47:26,665 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 155 [2023-12-21 09:47:26,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:26,668 INFO L225 Difference]: With dead ends: 1013 [2023-12-21 09:47:26,669 INFO L226 Difference]: Without dead ends: 512 [2023-12-21 09:47:26,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-21 09:47:26,671 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 8 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2543 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 [2023-12-21 09:47:26,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2543 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 09:47:26,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-12-21 09:47:26,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2023-12-21 09:47:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 388 states have (on average 1.5850515463917525) internal successors, (615), 394 states have internal predecessors, (615), 91 states have call successors, (91), 30 states have call predecessors, (91), 32 states have return successors, (97), 89 states have call predecessors, (97), 90 states have call successors, (97) [2023-12-21 09:47:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 803 transitions. [2023-12-21 09:47:26,688 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 803 transitions. Word has length 155 [2023-12-21 09:47:26,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:26,688 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 803 transitions. [2023-12-21 09:47:26,688 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-21 09:47:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 803 transitions. [2023-12-21 09:47:26,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-21 09:47:26,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:26,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:26,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 09:47:26,898 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 [2023-12-21 09:47:26,899 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:26,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:26,899 INFO L85 PathProgramCache]: Analyzing trace with hash -881658536, now seen corresponding path program 1 times [2023-12-21 09:47:26,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:26,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624388904] [2023-12-21 09:47:26,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:26,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 09:47:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:47:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 09:47:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:47:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:47:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:47:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:47:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-21 09:47:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:47:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 09:47:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-21 09:47:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:47:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 09:47:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-21 09:47:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-21 09:47:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-21 09:47:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-21 09:47:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-21 09:47:27,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:27,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624388904] [2023-12-21 09:47:27,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624388904] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:27,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:27,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 09:47:27,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178840656] [2023-12-21 09:47:27,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:27,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:47:27,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:27,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:47:27,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:47:27,111 INFO L87 Difference]: Start difference. First operand 512 states and 803 transitions. Second operand has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-21 09:47:29,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:29,125 INFO L93 Difference]: Finished difference Result 1202 states and 1922 transitions. [2023-12-21 09:47:29,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 09:47:29,125 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 174 [2023-12-21 09:47:29,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:29,130 INFO L225 Difference]: With dead ends: 1202 [2023-12-21 09:47:29,130 INFO L226 Difference]: Without dead ends: 709 [2023-12-21 09:47:29,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-21 09:47:29,133 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1589 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3250 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 3903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 3250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:29,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 1242 Invalid, 3903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 3250 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-21 09:47:29,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-12-21 09:47:29,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 512. [2023-12-21 09:47:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 388 states have (on average 1.5850515463917525) internal successors, (615), 394 states have internal predecessors, (615), 91 states have call successors, (91), 30 states have call predecessors, (91), 32 states have return successors, (96), 89 states have call predecessors, (96), 90 states have call successors, (96) [2023-12-21 09:47:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 802 transitions. [2023-12-21 09:47:29,169 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 802 transitions. Word has length 174 [2023-12-21 09:47:29,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:29,170 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 802 transitions. [2023-12-21 09:47:29,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-21 09:47:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 802 transitions. [2023-12-21 09:47:29,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-21 09:47:29,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:29,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:29,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 09:47:29,173 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:29,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1285136273, now seen corresponding path program 1 times [2023-12-21 09:47:29,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:29,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235081071] [2023-12-21 09:47:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:29,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-21 09:47:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 09:47:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 09:47:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:47:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 09:47:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:47:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:47:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:47:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 09:47:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 09:47:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:47:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-21 09:47:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-21 09:47:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-21 09:47:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-21 09:47:29,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:29,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235081071] [2023-12-21 09:47:29,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235081071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:29,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:29,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 09:47:29,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675325756] [2023-12-21 09:47:29,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:29,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:47:29,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:29,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:47:29,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:47:29,338 INFO L87 Difference]: Start difference. First operand 512 states and 802 transitions. Second operand has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-21 09:47:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:31,639 INFO L93 Difference]: Finished difference Result 1204 states and 1925 transitions. [2023-12-21 09:47:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 09:47:31,640 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 157 [2023-12-21 09:47:31,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:31,643 INFO L225 Difference]: With dead ends: 1204 [2023-12-21 09:47:31,643 INFO L226 Difference]: Without dead ends: 711 [2023-12-21 09:47:31,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-21 09:47:31,645 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1553 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3369 mSolverCounterSat, 621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 3369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:31,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 1241 Invalid, 3990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [621 Valid, 3369 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-21 09:47:31,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2023-12-21 09:47:31,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 514. [2023-12-21 09:47:31,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 389 states have (on average 1.583547557840617) internal successors, (616), 396 states have internal predecessors, (616), 91 states have call successors, (91), 30 states have call predecessors, (91), 33 states have return successors, (98), 89 states have call predecessors, (98), 90 states have call successors, (98) [2023-12-21 09:47:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 805 transitions. [2023-12-21 09:47:31,670 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 805 transitions. Word has length 157 [2023-12-21 09:47:31,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:31,670 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 805 transitions. [2023-12-21 09:47:31,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-21 09:47:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 805 transitions. [2023-12-21 09:47:31,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-21 09:47:31,673 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:31,673 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:31,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 09:47:31,673 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:31,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:31,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1545549612, now seen corresponding path program 1 times [2023-12-21 09:47:31,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:31,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103066346] [2023-12-21 09:47:31,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:31,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:47:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-21 09:47:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:47:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:47:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 09:47:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 09:47:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:47:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 09:47:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 09:47:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-21 09:47:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-21 09:47:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 09:47:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 09:47:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-21 09:47:31,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:31,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103066346] [2023-12-21 09:47:31,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103066346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:31,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:31,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 09:47:31,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816550798] [2023-12-21 09:47:31,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:31,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 09:47:31,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:31,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 09:47:31,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 09:47:31,866 INFO L87 Difference]: Start difference. First operand 514 states and 805 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-21 09:47:34,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:34,399 INFO L93 Difference]: Finished difference Result 1202 states and 1920 transitions. [2023-12-21 09:47:34,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 09:47:34,400 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 158 [2023-12-21 09:47:34,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:34,404 INFO L225 Difference]: With dead ends: 1202 [2023-12-21 09:47:34,404 INFO L226 Difference]: Without dead ends: 711 [2023-12-21 09:47:34,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-21 09:47:34,406 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1659 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5190 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 5837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 5190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:34,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1660 Valid, 1717 Invalid, 5837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 5190 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-21 09:47:34,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2023-12-21 09:47:34,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 514. [2023-12-21 09:47:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 389 states have (on average 1.583547557840617) internal successors, (616), 396 states have internal predecessors, (616), 91 states have call successors, (91), 30 states have call predecessors, (91), 33 states have return successors, (97), 89 states have call predecessors, (97), 90 states have call successors, (97) [2023-12-21 09:47:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 804 transitions. [2023-12-21 09:47:34,435 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 804 transitions. Word has length 158 [2023-12-21 09:47:34,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:34,435 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 804 transitions. [2023-12-21 09:47:34,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-21 09:47:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 804 transitions. [2023-12-21 09:47:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-21 09:47:34,437 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:34,437 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:34,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 09:47:34,437 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:34,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:34,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1694522986, now seen corresponding path program 1 times [2023-12-21 09:47:34,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:34,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934620962] [2023-12-21 09:47:34,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:34,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 09:47:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-21 09:47:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:47:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 09:47:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:47:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:47:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-21 09:47:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 09:47:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:47:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:47:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 09:47:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 09:47:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 09:47:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 09:47:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-21 09:47:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-12-21 09:47:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-21 09:47:34,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:34,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934620962] [2023-12-21 09:47:34,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934620962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:34,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:34,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 09:47:34,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240357731] [2023-12-21 09:47:34,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:34,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 09:47:34,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:34,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 09:47:34,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 09:47:34,626 INFO L87 Difference]: Start difference. First operand 514 states and 804 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-12-21 09:47:37,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:37,479 INFO L93 Difference]: Finished difference Result 1204 states and 1926 transitions. [2023-12-21 09:47:37,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 09:47:37,479 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 177 [2023-12-21 09:47:37,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:37,484 INFO L225 Difference]: With dead ends: 1204 [2023-12-21 09:47:37,484 INFO L226 Difference]: Without dead ends: 713 [2023-12-21 09:47:37,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-21 09:47:37,486 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1679 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5086 mSolverCounterSat, 669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 5755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 5086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:37,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1717 Invalid, 5755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [669 Valid, 5086 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-21 09:47:37,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-12-21 09:47:37,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 516. [2023-12-21 09:47:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 390 states have (on average 1.582051282051282) internal successors, (617), 398 states have internal predecessors, (617), 91 states have call successors, (91), 30 states have call predecessors, (91), 34 states have return successors, (102), 89 states have call predecessors, (102), 90 states have call successors, (102) [2023-12-21 09:47:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 810 transitions. [2023-12-21 09:47:37,524 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 810 transitions. Word has length 177 [2023-12-21 09:47:37,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:37,524 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 810 transitions. [2023-12-21 09:47:37,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-12-21 09:47:37,524 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 810 transitions. [2023-12-21 09:47:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-21 09:47:37,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:37,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:37,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 09:47:37,527 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:37,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1277127567, now seen corresponding path program 1 times [2023-12-21 09:47:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:37,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575670299] [2023-12-21 09:47:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 09:47:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 09:47:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:47:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:47:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:47:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:47:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 09:47:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:47:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:47:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:47:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-21 09:47:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-21 09:47:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-21 09:47:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-21 09:47:37,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:37,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575670299] [2023-12-21 09:47:37,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575670299] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:47:37,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950168577] [2023-12-21 09:47:37,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:37,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:47:37,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:47:37,733 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) [2023-12-21 09:47:37,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 09:47:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:38,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 09:47:38,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:47:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-21 09:47:38,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 09:47:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-21 09:47:38,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950168577] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 09:47:38,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 09:47:38,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-21 09:47:38,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326201995] [2023-12-21 09:47:38,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 09:47:38,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-21 09:47:38,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:38,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-21 09:47:38,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-21 09:47:38,129 INFO L87 Difference]: Start difference. First operand 516 states and 810 transitions. Second operand has 15 states, 14 states have (on average 11.428571428571429) internal successors, (160), 11 states have internal predecessors, (160), 4 states have call successors, (46), 6 states have call predecessors, (46), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2023-12-21 09:47:41,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:41,395 INFO L93 Difference]: Finished difference Result 1643 states and 2737 transitions. [2023-12-21 09:47:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-21 09:47:41,401 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.428571428571429) internal successors, (160), 11 states have internal predecessors, (160), 4 states have call successors, (46), 6 states have call predecessors, (46), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 160 [2023-12-21 09:47:41,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:41,407 INFO L225 Difference]: With dead ends: 1643 [2023-12-21 09:47:41,407 INFO L226 Difference]: Without dead ends: 1153 [2023-12-21 09:47:41,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-21 09:47:41,409 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 3015 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 6494 mSolverCounterSat, 1109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 7603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1109 IncrementalHoareTripleChecker+Valid, 6494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:41,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 1980 Invalid, 7603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1109 Valid, 6494 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-21 09:47:41,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2023-12-21 09:47:41,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 941. [2023-12-21 09:47:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 736 states have (on average 1.6372282608695652) internal successors, (1205), 744 states have internal predecessors, (1205), 170 states have call successors, (170), 30 states have call predecessors, (170), 34 states have return successors, (191), 168 states have call predecessors, (191), 169 states have call successors, (191) [2023-12-21 09:47:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1566 transitions. [2023-12-21 09:47:41,452 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1566 transitions. Word has length 160 [2023-12-21 09:47:41,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:41,452 INFO L495 AbstractCegarLoop]: Abstraction has 941 states and 1566 transitions. [2023-12-21 09:47:41,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.428571428571429) internal successors, (160), 11 states have internal predecessors, (160), 4 states have call successors, (46), 6 states have call predecessors, (46), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2023-12-21 09:47:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1566 transitions. [2023-12-21 09:47:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-21 09:47:41,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:41,456 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-21 09:47:41,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-21 09:47:41,663 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 [2023-12-21 09:47:41,663 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:41,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:41,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1587309395, now seen corresponding path program 1 times [2023-12-21 09:47:41,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:41,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332768879] [2023-12-21 09:47:41,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:41,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-21 09:47:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:47:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:47:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:47:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 09:47:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-21 09:47:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 09:47:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 09:47:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-21 09:47:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 09:47:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-21 09:47:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 09:47:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 09:47:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-21 09:47:41,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:41,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332768879] [2023-12-21 09:47:41,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332768879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:41,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:41,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:47:41,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909134883] [2023-12-21 09:47:41,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:41,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:47:41,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:41,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:47:41,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:47:41,763 INFO L87 Difference]: Start difference. First operand 941 states and 1566 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:43,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:43,460 INFO L93 Difference]: Finished difference Result 2418 states and 4126 transitions. [2023-12-21 09:47:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:47:43,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2023-12-21 09:47:43,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:43,469 INFO L225 Difference]: With dead ends: 2418 [2023-12-21 09:47:43,469 INFO L226 Difference]: Without dead ends: 1545 [2023-12-21 09:47:43,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:47:43,472 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1791 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 2517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:43,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1809 Valid, 945 Invalid, 2517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [715 Valid, 1802 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 09:47:43,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2023-12-21 09:47:43,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1343. [2023-12-21 09:47:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 1059 states have (on average 1.6543909348441925) internal successors, (1752), 1067 states have internal predecessors, (1752), 249 states have call successors, (249), 30 states have call predecessors, (249), 34 states have return successors, (280), 247 states have call predecessors, (280), 248 states have call successors, (280) [2023-12-21 09:47:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 2281 transitions. [2023-12-21 09:47:43,522 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 2281 transitions. Word has length 164 [2023-12-21 09:47:43,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:43,523 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 2281 transitions. [2023-12-21 09:47:43,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:43,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 2281 transitions. [2023-12-21 09:47:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-21 09:47:43,529 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:43,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:43,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-21 09:47:43,529 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:43,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:43,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2145620153, now seen corresponding path program 1 times [2023-12-21 09:47:43,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:43,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479885757] [2023-12-21 09:47:43,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:43,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 09:47:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:47:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 09:47:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:47:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:47:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:47:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 09:47:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:47:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:47:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 09:47:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 09:47:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-21 09:47:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 09:47:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 09:47:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-12-21 09:47:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-21 09:47:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-21 09:47:43,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:43,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479885757] [2023-12-21 09:47:43,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479885757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:43,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:43,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:47:43,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596334719] [2023-12-21 09:47:43,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:43,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:47:43,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:43,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:47:43,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:47:43,638 INFO L87 Difference]: Start difference. First operand 1343 states and 2281 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, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:45,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:45,409 INFO L93 Difference]: Finished difference Result 3421 states and 5903 transitions. [2023-12-21 09:47:45,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:47:45,409 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, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 183 [2023-12-21 09:47:45,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:45,418 INFO L225 Difference]: With dead ends: 3421 [2023-12-21 09:47:45,419 INFO L226 Difference]: Without dead ends: 2196 [2023-12-21 09:47:45,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:47:45,422 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1803 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 743 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 743 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:45,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 911 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [743 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 09:47:45,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2023-12-21 09:47:45,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 1994. [2023-12-21 09:47:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1994 states, 1591 states have (on average 1.6643620364550598) internal successors, (2648), 1599 states have internal predecessors, (2648), 368 states have call successors, (368), 30 states have call predecessors, (368), 34 states have return successors, (399), 366 states have call predecessors, (399), 367 states have call successors, (399) [2023-12-21 09:47:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 3415 transitions. [2023-12-21 09:47:45,499 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 3415 transitions. Word has length 183 [2023-12-21 09:47:45,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:45,499 INFO L495 AbstractCegarLoop]: Abstraction has 1994 states and 3415 transitions. [2023-12-21 09:47:45,500 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, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 3415 transitions. [2023-12-21 09:47:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-21 09:47:45,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:45,510 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1] [2023-12-21 09:47:45,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-21 09:47:45,510 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:45,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:45,511 INFO L85 PathProgramCache]: Analyzing trace with hash -585536091, now seen corresponding path program 1 times [2023-12-21 09:47:45,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:45,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098802165] [2023-12-21 09:47:45,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:45,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:47:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:47:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:47:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:47:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:47:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:47:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:47:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:47:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-21 09:47:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 09:47:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-21 09:47:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-21 09:47:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-21 09:47:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-21 09:47:45,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:45,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098802165] [2023-12-21 09:47:45,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098802165] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:45,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:45,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:47:45,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100656525] [2023-12-21 09:47:45,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:45,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:47:45,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:45,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:47:45,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:47:45,611 INFO L87 Difference]: Start difference. First operand 1994 states and 3415 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:47,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:47,361 INFO L93 Difference]: Finished difference Result 4945 states and 8621 transitions. [2023-12-21 09:47:47,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:47:47,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 166 [2023-12-21 09:47:47,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:47,374 INFO L225 Difference]: With dead ends: 4945 [2023-12-21 09:47:47,375 INFO L226 Difference]: Without dead ends: 3197 [2023-12-21 09:47:47,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:47:47,380 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1705 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:47,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1724 Valid, 907 Invalid, 2537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 09:47:47,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2023-12-21 09:47:47,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 2995. [2023-12-21 09:47:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 2430 states have (on average 1.6724279835390947) internal successors, (4064), 2438 states have internal predecessors, (4064), 530 states have call successors, (530), 30 states have call predecessors, (530), 34 states have return successors, (577), 528 states have call predecessors, (577), 529 states have call successors, (577) [2023-12-21 09:47:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 5171 transitions. [2023-12-21 09:47:47,488 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 5171 transitions. Word has length 166 [2023-12-21 09:47:47,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:47,488 INFO L495 AbstractCegarLoop]: Abstraction has 2995 states and 5171 transitions. [2023-12-21 09:47:47,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 5171 transitions. [2023-12-21 09:47:47,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-21 09:47:47,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:47,504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:47,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-21 09:47:47,505 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:47,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:47,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1593663400, now seen corresponding path program 1 times [2023-12-21 09:47:47,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:47,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607316818] [2023-12-21 09:47:47,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:47,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:47:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:47:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 09:47:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 09:47:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:47:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-21 09:47:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:47:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-21 09:47:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-21 09:47:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-21 09:47:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-21 09:47:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 09:47:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 09:47:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-12-21 09:47:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-12-21 09:47:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-21 09:47:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-21 09:47:47,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:47,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607316818] [2023-12-21 09:47:47,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607316818] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:47,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:47,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:47:47,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352736476] [2023-12-21 09:47:47,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:47,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:47:47,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:47,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:47:47,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:47:47,628 INFO L87 Difference]: Start difference. First operand 2995 states and 5171 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:49,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:49,798 INFO L93 Difference]: Finished difference Result 7357 states and 12934 transitions. [2023-12-21 09:47:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:47:49,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2023-12-21 09:47:49,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:49,848 INFO L225 Difference]: With dead ends: 7357 [2023-12-21 09:47:49,848 INFO L226 Difference]: Without dead ends: 4817 [2023-12-21 09:47:49,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:47:49,868 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1676 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1902 mSolverCounterSat, 668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1694 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 1902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:49,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1694 Valid, 909 Invalid, 2570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 1902 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-21 09:47:49,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4817 states. [2023-12-21 09:47:50,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4817 to 4615. [2023-12-21 09:47:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4615 states, 3805 states have (on average 1.6783180026281208) internal successors, (6386), 3813 states have internal predecessors, (6386), 775 states have call successors, (775), 30 states have call predecessors, (775), 34 states have return successors, (848), 773 states have call predecessors, (848), 774 states have call successors, (848) [2023-12-21 09:47:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4615 states to 4615 states and 8009 transitions. [2023-12-21 09:47:50,036 INFO L78 Accepts]: Start accepts. Automaton has 4615 states and 8009 transitions. Word has length 185 [2023-12-21 09:47:50,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:50,036 INFO L495 AbstractCegarLoop]: Abstraction has 4615 states and 8009 transitions. [2023-12-21 09:47:50,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4615 states and 8009 transitions. [2023-12-21 09:47:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-21 09:47:50,056 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:50,056 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:50,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-21 09:47:50,056 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:50,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:50,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1559026968, now seen corresponding path program 1 times [2023-12-21 09:47:50,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:50,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712487580] [2023-12-21 09:47:50,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:50,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 09:47:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:47:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:47:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-21 09:47:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:47:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:47:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 09:47:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 09:47:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 09:47:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 09:47:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-21 09:47:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-21 09:47:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-21 09:47:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-21 09:47:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-12-21 09:47:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-12-21 09:47:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-21 09:47:50,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:50,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712487580] [2023-12-21 09:47:50,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712487580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:50,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:50,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:47:50,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862866168] [2023-12-21 09:47:50,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:50,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:47:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:47:50,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:47:50,142 INFO L87 Difference]: Start difference. First operand 4615 states and 8009 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:51,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:51,988 INFO L93 Difference]: Finished difference Result 11434 states and 20187 transitions. [2023-12-21 09:47:51,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:47:51,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2023-12-21 09:47:51,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:52,018 INFO L225 Difference]: With dead ends: 11434 [2023-12-21 09:47:52,018 INFO L226 Difference]: Without dead ends: 7577 [2023-12-21 09:47:52,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:47:52,029 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1784 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:52,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 917 Invalid, 2493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [707 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 09:47:52,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7577 states. [2023-12-21 09:47:52,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7577 to 7375. [2023-12-21 09:47:52,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 6072 states have (on average 1.6735836627140974) internal successors, (10162), 6080 states have internal predecessors, (10162), 1268 states have call successors, (1268), 30 states have call predecessors, (1268), 34 states have return successors, (1385), 1266 states have call predecessors, (1385), 1267 states have call successors, (1385) [2023-12-21 09:47:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 12815 transitions. [2023-12-21 09:47:52,252 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 12815 transitions. Word has length 186 [2023-12-21 09:47:52,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:52,252 INFO L495 AbstractCegarLoop]: Abstraction has 7375 states and 12815 transitions. [2023-12-21 09:47:52,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 12815 transitions. [2023-12-21 09:47:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-21 09:47:52,275 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:52,275 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1] [2023-12-21 09:47:52,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-21 09:47:52,275 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:52,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:52,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1393043221, now seen corresponding path program 1 times [2023-12-21 09:47:52,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:52,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380586218] [2023-12-21 09:47:52,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:52,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:47:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:47:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:47:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:47:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:47:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:47:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 09:47:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 09:47:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 09:47:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 09:47:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 09:47:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-21 09:47:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-21 09:47:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-21 09:47:52,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:52,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380586218] [2023-12-21 09:47:52,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380586218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:52,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:52,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:47:52,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780605046] [2023-12-21 09:47:52,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:52,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:47:52,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:52,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:47:52,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:47:52,357 INFO L87 Difference]: Start difference. First operand 7375 states and 12815 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:54,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:54,225 INFO L93 Difference]: Finished difference Result 18793 states and 33207 transitions. [2023-12-21 09:47:54,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:47:54,226 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2023-12-21 09:47:54,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:54,269 INFO L225 Difference]: With dead ends: 18793 [2023-12-21 09:47:54,269 INFO L226 Difference]: Without dead ends: 12562 [2023-12-21 09:47:54,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:47:54,290 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1784 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 725 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:54,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 922 Invalid, 2498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [725 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 09:47:54,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12562 states. [2023-12-21 09:47:54,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12562 to 12360. [2023-12-21 09:47:54,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12360 states, 10235 states have (on average 1.6742550073277969) internal successors, (17136), 10243 states have internal predecessors, (17136), 2090 states have call successors, (2090), 30 states have call predecessors, (2090), 34 states have return successors, (2285), 2088 states have call predecessors, (2285), 2089 states have call successors, (2285) [2023-12-21 09:47:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12360 states to 12360 states and 21511 transitions. [2023-12-21 09:47:54,697 INFO L78 Accepts]: Start accepts. Automaton has 12360 states and 21511 transitions. Word has length 169 [2023-12-21 09:47:54,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:54,697 INFO L495 AbstractCegarLoop]: Abstraction has 12360 states and 21511 transitions. [2023-12-21 09:47:54,697 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-21 09:47:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 12360 states and 21511 transitions. [2023-12-21 09:47:54,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-21 09:47:54,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:54,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:54,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-21 09:47:54,733 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:54,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:54,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1928118694, now seen corresponding path program 1 times [2023-12-21 09:47:54,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:54,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168206721] [2023-12-21 09:47:54,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:54,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:47:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 09:47:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:47:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:47:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:47:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:47:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 09:47:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 09:47:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:47:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-21 09:47:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-21 09:47:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-21 09:47:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-21 09:47:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-21 09:47:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 09:47:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 09:47:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-21 09:47:54,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:54,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168206721] [2023-12-21 09:47:54,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168206721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:54,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:54,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:47:54,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495217375] [2023-12-21 09:47:54,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:54,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:47:54,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:54,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:47:54,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:47:54,830 INFO L87 Difference]: Start difference. First operand 12360 states and 21511 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:56,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:56,721 INFO L93 Difference]: Finished difference Result 29759 states and 52390 transitions. [2023-12-21 09:47:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:47:56,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2023-12-21 09:47:56,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:56,779 INFO L225 Difference]: With dead ends: 29759 [2023-12-21 09:47:56,780 INFO L226 Difference]: Without dead ends: 19522 [2023-12-21 09:47:56,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:47:56,806 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1716 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 695 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 695 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:56,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 894 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [695 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-21 09:47:56,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19522 states. [2023-12-21 09:47:57,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19522 to 19320. [2023-12-21 09:47:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19320 states, 15992 states have (on average 1.6526388194097048) internal successors, (26429), 16000 states have internal predecessors, (26429), 3293 states have call successors, (3293), 30 states have call predecessors, (3293), 34 states have return successors, (3632), 3291 states have call predecessors, (3632), 3292 states have call successors, (3632) [2023-12-21 09:47:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19320 states to 19320 states and 33354 transitions. [2023-12-21 09:47:57,467 INFO L78 Accepts]: Start accepts. Automaton has 19320 states and 33354 transitions. Word has length 188 [2023-12-21 09:47:57,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:47:57,467 INFO L495 AbstractCegarLoop]: Abstraction has 19320 states and 33354 transitions. [2023-12-21 09:47:57,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:47:57,467 INFO L276 IsEmpty]: Start isEmpty. Operand 19320 states and 33354 transitions. [2023-12-21 09:47:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-21 09:47:57,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:47:57,516 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:47:57,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-21 09:47:57,516 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:47:57,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:47:57,517 INFO L85 PathProgramCache]: Analyzing trace with hash -363535373, now seen corresponding path program 1 times [2023-12-21 09:47:57,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:47:57,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650629812] [2023-12-21 09:47:57,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:47:57,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:47:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:47:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:47:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:47:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:47:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:47:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:47:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:47:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 09:47:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:47:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:47:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:47:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:47:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 09:47:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:47:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-21 09:47:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 09:47:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-21 09:47:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-21 09:47:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-21 09:47:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:47:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 09:47:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-21 09:47:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-21 09:47:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:47:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-21 09:47:57,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:47:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650629812] [2023-12-21 09:47:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650629812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:47:57,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:47:57,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:47:57,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605460531] [2023-12-21 09:47:57,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:47:57,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:47:57,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:47:57,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:47:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:47:57,615 INFO L87 Difference]: Start difference. First operand 19320 states and 33354 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:48:00,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:48:00,139 INFO L93 Difference]: Finished difference Result 51200 states and 89923 transitions. [2023-12-21 09:48:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:48:00,140 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2023-12-21 09:48:00,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:48:00,244 INFO L225 Difference]: With dead ends: 51200 [2023-12-21 09:48:00,244 INFO L226 Difference]: Without dead ends: 34651 [2023-12-21 09:48:00,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:48:00,281 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1801 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 744 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:48:00,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1819 Valid, 909 Invalid, 2465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [744 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-21 09:48:00,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34651 states. [2023-12-21 09:48:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34651 to 34449. [2023-12-21 09:48:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34449 states, 28671 states have (on average 1.6502389173729552) internal successors, (47314), 28679 states have internal predecessors, (47314), 5743 states have call successors, (5743), 30 states have call predecessors, (5743), 34 states have return successors, (6356), 5741 states have call predecessors, (6356), 5742 states have call successors, (6356) [2023-12-21 09:48:01,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34449 states to 34449 states and 59413 transitions. [2023-12-21 09:48:01,393 INFO L78 Accepts]: Start accepts. Automaton has 34449 states and 59413 transitions. Word has length 189 [2023-12-21 09:48:01,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:48:01,393 INFO L495 AbstractCegarLoop]: Abstraction has 34449 states and 59413 transitions. [2023-12-21 09:48:01,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:48:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 34449 states and 59413 transitions. [2023-12-21 09:48:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-21 09:48:01,463 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:48:01,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:48:01,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-21 09:48:01,464 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:48:01,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:48:01,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1915891680, now seen corresponding path program 1 times [2023-12-21 09:48:01,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:48:01,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014708854] [2023-12-21 09:48:01,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:48:01,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:48:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:48:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:48:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:48:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:48:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:48:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:48:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:48:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:48:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:48:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:48:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-21 09:48:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 09:48:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:48:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-21 09:48:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-21 09:48:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-21 09:48:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 09:48:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 09:48:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-21 09:48:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:48:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-12-21 09:48:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-21 09:48:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-12-21 09:48:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-21 09:48:01,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:48:01,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014708854] [2023-12-21 09:48:01,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014708854] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:48:01,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:48:01,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:48:01,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026583382] [2023-12-21 09:48:01,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:48:01,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:48:01,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:48:01,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:48:01,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:48:01,543 INFO L87 Difference]: Start difference. First operand 34449 states and 59413 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:48:04,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:48:04,455 INFO L93 Difference]: Finished difference Result 94082 states and 164517 transitions. [2023-12-21 09:48:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:48:04,456 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2023-12-21 09:48:04,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:48:04,686 INFO L225 Difference]: With dead ends: 94082 [2023-12-21 09:48:04,686 INFO L226 Difference]: Without dead ends: 63327 [2023-12-21 09:48:04,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:48:04,771 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1719 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-21 09:48:04,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 927 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-21 09:48:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63327 states. [2023-12-21 09:48:06,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63327 to 63125. [2023-12-21 09:48:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63125 states, 52834 states have (on average 1.646780482265208) internal successors, (87006), 52842 states have internal predecessors, (87006), 10256 states have call successors, (10256), 30 states have call predecessors, (10256), 34 states have return successors, (11401), 10254 states have call predecessors, (11401), 10255 states have call successors, (11401) [2023-12-21 09:48:07,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63125 states to 63125 states and 108663 transitions. [2023-12-21 09:48:07,279 INFO L78 Accepts]: Start accepts. Automaton has 63125 states and 108663 transitions. Word has length 190 [2023-12-21 09:48:07,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:48:07,279 INFO L495 AbstractCegarLoop]: Abstraction has 63125 states and 108663 transitions. [2023-12-21 09:48:07,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:48:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 63125 states and 108663 transitions. [2023-12-21 09:48:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-21 09:48:07,571 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:48:07,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:48:07,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-21 09:48:07,572 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:48:07,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:48:07,572 INFO L85 PathProgramCache]: Analyzing trace with hash -151986381, now seen corresponding path program 1 times [2023-12-21 09:48:07,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:48:07,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008253711] [2023-12-21 09:48:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:48:07,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:48:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:48:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:48:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:48:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:48:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:48:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:48:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:48:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 09:48:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:48:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 09:48:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-21 09:48:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 09:48:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:48:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-21 09:48:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:48:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-21 09:48:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 09:48:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 09:48:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 09:48:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:48:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-21 09:48:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-21 09:48:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-12-21 09:48:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-21 09:48:07,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:48:07,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008253711] [2023-12-21 09:48:07,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008253711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:48:07,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:48:07,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:48:07,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555794940] [2023-12-21 09:48:07,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:48:07,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:48:07,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:48:07,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:48:07,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:48:07,664 INFO L87 Difference]: Start difference. First operand 63125 states and 108663 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:48:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:48:11,623 INFO L93 Difference]: Finished difference Result 118462 states and 207669 transitions. [2023-12-21 09:48:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:48:11,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2023-12-21 09:48:11,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:48:11,992 INFO L225 Difference]: With dead ends: 118462 [2023-12-21 09:48:11,992 INFO L226 Difference]: Without dead ends: 118213 [2023-12-21 09:48:12,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:48:12,031 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1786 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1804 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:48:12,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1804 Valid, 916 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-21 09:48:12,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118213 states. [2023-12-21 09:48:15,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118213 to 118011. [2023-12-21 09:48:15,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118011 states, 99352 states have (on average 1.6422014654964168) internal successors, (163156), 99360 states have internal predecessors, (163156), 18624 states have call successors, (18624), 30 states have call predecessors, (18624), 34 states have return successors, (20815), 18622 states have call predecessors, (20815), 18623 states have call successors, (20815) [2023-12-21 09:48:16,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118011 states to 118011 states and 202595 transitions. [2023-12-21 09:48:16,214 INFO L78 Accepts]: Start accepts. Automaton has 118011 states and 202595 transitions. Word has length 191 [2023-12-21 09:48:16,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:48:16,215 INFO L495 AbstractCegarLoop]: Abstraction has 118011 states and 202595 transitions. [2023-12-21 09:48:16,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-21 09:48:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 118011 states and 202595 transitions. [2023-12-21 09:48:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-21 09:48:16,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:48:16,583 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:48:16,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-21 09:48:16,583 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:48:16,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:48:16,584 INFO L85 PathProgramCache]: Analyzing trace with hash -305658878, now seen corresponding path program 1 times [2023-12-21 09:48:16,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:48:16,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074466559] [2023-12-21 09:48:16,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:48:16,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:48:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:48:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:16,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:48:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:48:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:48:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:48:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:48:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:48:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:48:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:48:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:48:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:48:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 09:48:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-21 09:48:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:48:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 09:48:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-21 09:48:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:48:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-21 09:48:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-21 09:48:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-21 09:48:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,145 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-21 09:48:17,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:48:17,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074466559] [2023-12-21 09:48:17,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074466559] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:48:17,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290434766] [2023-12-21 09:48:17,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:48:17,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:48:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:48:17,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:48:17,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-21 09:48:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:48:17,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-21 09:48:17,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:48:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-21 09:48:17,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 09:48:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-21 09:48:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290434766] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 09:48:17,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 09:48:17,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2023-12-21 09:48:17,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526769049] [2023-12-21 09:48:17,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 09:48:17,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-21 09:48:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:48:17,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-21 09:48:17,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2023-12-21 09:48:17,920 INFO L87 Difference]: Start difference. First operand 118011 states and 202595 transitions. Second operand has 32 states, 30 states have (on average 8.7) internal successors, (261), 24 states have internal predecessors, (261), 9 states have call successors, (59), 12 states have call predecessors, (59), 12 states have return successors, (51), 11 states have call predecessors, (51), 9 states have call successors, (51) [2023-12-21 09:48:53,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:48:53,676 INFO L93 Difference]: Finished difference Result 706134 states and 1261589 transitions. [2023-12-21 09:48:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-12-21 09:48:53,676 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 8.7) internal successors, (261), 24 states have internal predecessors, (261), 9 states have call successors, (59), 12 states have call predecessors, (59), 12 states have return successors, (51), 11 states have call predecessors, (51), 9 states have call successors, (51) Word has length 174 [2023-12-21 09:48:53,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:48:57,897 INFO L225 Difference]: With dead ends: 706134 [2023-12-21 09:48:57,897 INFO L226 Difference]: Without dead ends: 705888 [2023-12-21 09:48:58,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11890 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=3913, Invalid=29029, Unknown=0, NotChecked=0, Total=32942 [2023-12-21 09:48:58,214 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 9438 mSDsluCounter, 13350 mSDsCounter, 0 mSdLazyCounter, 36922 mSolverCounterSat, 3870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9486 SdHoareTripleChecker+Valid, 13996 SdHoareTripleChecker+Invalid, 40792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3870 IncrementalHoareTripleChecker+Valid, 36922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-12-21 09:48:58,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9486 Valid, 13996 Invalid, 40792 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3870 Valid, 36922 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2023-12-21 09:48:58,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705888 states. [2023-12-21 09:49:22,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705888 to 470251. [2023-12-21 09:49:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470251 states, 395926 states have (on average 1.6426301884695624) internal successors, (650360), 395746 states have internal predecessors, (650360), 74132 states have call successors, (74132), 164 states have call predecessors, (74132), 192 states have return successors, (98166), 74356 states have call predecessors, (98166), 74126 states have call successors, (98166) [2023-12-21 09:49:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470251 states to 470251 states and 822658 transitions. [2023-12-21 09:49:25,426 INFO L78 Accepts]: Start accepts. Automaton has 470251 states and 822658 transitions. Word has length 174 [2023-12-21 09:49:25,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:49:25,427 INFO L495 AbstractCegarLoop]: Abstraction has 470251 states and 822658 transitions. [2023-12-21 09:49:25,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 8.7) internal successors, (261), 24 states have internal predecessors, (261), 9 states have call successors, (59), 12 states have call predecessors, (59), 12 states have return successors, (51), 11 states have call predecessors, (51), 9 states have call successors, (51) [2023-12-21 09:49:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 470251 states and 822658 transitions. [2023-12-21 09:49:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-21 09:49:26,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:49:26,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:49:26,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-21 09:49:27,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:49:27,098 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:49:27,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:49:27,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1332586225, now seen corresponding path program 1 times [2023-12-21 09:49:27,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:49:27,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265723552] [2023-12-21 09:49:27,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:49:27,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:49:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:49:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:49:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:49:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:49:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:49:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:49:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:49:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:49:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:49:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:49:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-21 09:49:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 09:49:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 09:49:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:49:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 09:49:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-21 09:49:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-21 09:49:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-21 09:49:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-21 09:49:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 09:49:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 09:49:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-21 09:49:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-12-21 09:49:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-21 09:49:27,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:49:27,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265723552] [2023-12-21 09:49:27,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265723552] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:49:27,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986502644] [2023-12-21 09:49:27,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:49:27,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:49:27,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:49:27,296 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:49:27,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-21 09:49:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:49:27,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-21 09:49:27,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:49:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-21 09:49:28,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:49:28,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986502644] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:49:28,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:49:28,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2023-12-21 09:49:28,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853277047] [2023-12-21 09:49:28,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:49:28,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:49:28,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:49:28,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:49:28,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2023-12-21 09:49:28,011 INFO L87 Difference]: Start difference. First operand 470251 states and 822658 transitions. Second operand has 9 states, 8 states have (on average 15.875) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23)