/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec6_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:22:50,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:22:50,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:22:50,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:22:50,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:22:50,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:22:50,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:22:50,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:22:50,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:22:50,623 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:22:50,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:22:50,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:22:50,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:22:50,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:22:50,626 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:22:50,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:22:50,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:22:50,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:22:50,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:22:50,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:22:50,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:22:50,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:22:50,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:22:50,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:22:50,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:22:50,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:22:50,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:22:50,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:22:50,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:22:50,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:22:50,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:22:50,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:22:50,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:22:50,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:22:50,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:22:50,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:22:50,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:22:50,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:22:50,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:22:50,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:22:50,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:22:50,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:22:50,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:22:50,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:22:50,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:22:50,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:22:50,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:22:50,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:22:50,911 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:22:50,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product32.cil.c [2023-12-19 23:22:52,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:22:52,530 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:22:52,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product32.cil.c [2023-12-19 23:22:52,563 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a226c780b/2bccb4bd5d584b6c98b2d741efb2faca/FLAG5686fd563 [2023-12-19 23:22:52,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a226c780b/2bccb4bd5d584b6c98b2d741efb2faca [2023-12-19 23:22:52,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:22:52,579 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:22:52,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:22:52,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:22:52,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:22:52,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:22:52" (1/1) ... [2023-12-19 23:22:52,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d3b079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:52, skipping insertion in model container [2023-12-19 23:22:52,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:22:52" (1/1) ... [2023-12-19 23:22:52,642 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:22:52,984 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_spec6_product32.cil.c[40215,40228] [2023-12-19 23:22:53,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:22:53,120 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:22:53,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2023-12-19 23:22:53,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [277] [2023-12-19 23:22:53,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1357] [2023-12-19 23:22:53,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1769] [2023-12-19 23:22:53,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1778] [2023-12-19 23:22:53,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1796] [2023-12-19 23:22:53,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2162] [2023-12-19 23:22:53,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2586] [2023-12-19 23:22:53,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2624] [2023-12-19 23:22:53,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2670] [2023-12-19 23:22:53,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2958] [2023-12-19 23:22:53,185 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_spec6_product32.cil.c[40215,40228] [2023-12-19 23:22:53,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:22:53,255 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:22:53,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53 WrapperNode [2023-12-19 23:22:53,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:22:53,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:22:53,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:22:53,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:22:53,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,360 INFO L138 Inliner]: procedures = 135, calls = 224, calls flagged for inlining = 62, calls inlined = 54, statements flattened = 996 [2023-12-19 23:22:53,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:22:53,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:22:53,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:22:53,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:22:53,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,478 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]. [2023-12-19 23:22:53,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:22:53,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:22:53,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:22:53,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:22:53,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (1/1) ... [2023-12-19 23:22:53,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:22:53,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:22:53,598 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) [2023-12-19 23:22:53,619 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 [2023-12-19 23:22:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-19 23:22:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-19 23:22:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-19 23:22:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-19 23:22:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-19 23:22:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-19 23:22:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-19 23:22:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-19 23:22:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-19 23:22:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-19 23:22:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-19 23:22:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-19 23:22:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-19 23:22:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-19 23:22:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-19 23:22:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-19 23:22:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-19 23:22:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-19 23:22:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-19 23:22:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-19 23:22:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-19 23:22:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-19 23:22:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-19 23:22:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-19 23:22:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-19 23:22:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-19 23:22:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-19 23:22:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-19 23:22:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-19 23:22:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-19 23:22:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-19 23:22:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-19 23:22:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-19 23:22:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-19 23:22:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-19 23:22:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-19 23:22:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-19 23:22:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:22:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 23:22:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-19 23:22:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-19 23:22:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-19 23:22:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-19 23:22:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-19 23:22:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-19 23:22:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:22:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:22:53,807 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:22:53,810 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:22:54,472 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:22:54,510 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:22:54,511 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 23:22:54,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:22:54 BoogieIcfgContainer [2023-12-19 23:22:54,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:22:54,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:22:54,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:22:54,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:22:54,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:22:52" (1/3) ... [2023-12-19 23:22:54,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c348a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:22:54, skipping insertion in model container [2023-12-19 23:22:54,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:22:53" (2/3) ... [2023-12-19 23:22:54,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c348a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:22:54, skipping insertion in model container [2023-12-19 23:22:54,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:22:54" (3/3) ... [2023-12-19 23:22:54,517 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product32.cil.c [2023-12-19 23:22:54,530 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:22:54,530 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:22:54,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:22:54,570 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;@4f1e125e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:22:54,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:22:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 401 states, 304 states have (on average 1.5986842105263157) internal successors, (486), 309 states have internal predecessors, (486), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-12-19 23:22:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-19 23:22:54,589 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:54,590 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:54,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:54,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:54,594 INFO L85 PathProgramCache]: Analyzing trace with hash -251089540, now seen corresponding path program 1 times [2023-12-19 23:22:54,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:54,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211616762] [2023-12-19 23:22:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:54,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:22:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:22:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:22:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-19 23:22:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 23:22:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:22:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:22:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:22:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:22:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:22:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:22:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:22:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:22:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:22:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:22:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:22:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:22:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:22:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-19 23:22:55,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:55,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211616762] [2023-12-19 23:22:55,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211616762] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:22:55,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292879306] [2023-12-19 23:22:55,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:55,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:55,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:22:55,159 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) [2023-12-19 23:22:55,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 23:22:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:55,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 23:22:55,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:22:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-19 23:22:55,471 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:22:55,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292879306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:55,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:22:55,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-19 23:22:55,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377110192] [2023-12-19 23:22:55,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:55,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:22:55,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:55,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:22:55,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:22:55,499 INFO L87 Difference]: Start difference. First operand has 401 states, 304 states have (on average 1.5986842105263157) internal successors, (486), 309 states have internal predecessors, (486), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:22:55,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:55,578 INFO L93 Difference]: Finished difference Result 618 states and 939 transitions. [2023-12-19 23:22:55,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:22:55,580 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 146 [2023-12-19 23:22:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:55,602 INFO L225 Difference]: With dead ends: 618 [2023-12-19 23:22:55,602 INFO L226 Difference]: Without dead ends: 398 [2023-12-19 23:22:55,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:22:55,609 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:55,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 600 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:22:55,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-12-19 23:22:55,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-12-19 23:22:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 302 states have (on average 1.586092715231788) internal successors, (479), 306 states have internal predecessors, (479), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-19 23:22:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 612 transitions. [2023-12-19 23:22:55,665 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 612 transitions. Word has length 146 [2023-12-19 23:22:55,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:55,666 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 612 transitions. [2023-12-19 23:22:55,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:22:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 612 transitions. [2023-12-19 23:22:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-19 23:22:55,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:55,704 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:55,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 23:22:55,910 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 [2023-12-19 23:22:55,911 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:55,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1812651940, now seen corresponding path program 1 times [2023-12-19 23:22:55,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:55,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171567167] [2023-12-19 23:22:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:55,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:22:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:22:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:22:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-19 23:22:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-19 23:22:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 23:22:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-19 23:22:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:22:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 23:22:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:22:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:22:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:22:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:22:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:22:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:22:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:22:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-19 23:22:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 23:22:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-19 23:22:56,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:56,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171567167] [2023-12-19 23:22:56,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171567167] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:22:56,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200430470] [2023-12-19 23:22:56,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:56,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:56,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:22:56,169 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) [2023-12-19 23:22:56,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 23:22:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:56,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 23:22:56,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:22:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-19 23:22:56,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:22:56,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200430470] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:56,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:22:56,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-19 23:22:56,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928068927] [2023-12-19 23:22:56,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:56,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:22:56,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:56,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:22:56,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:22:56,526 INFO L87 Difference]: Start difference. First operand 398 states and 612 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:22:56,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:56,582 INFO L93 Difference]: Finished difference Result 614 states and 923 transitions. [2023-12-19 23:22:56,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:22:56,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 147 [2023-12-19 23:22:56,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:56,585 INFO L225 Difference]: With dead ends: 614 [2023-12-19 23:22:56,586 INFO L226 Difference]: Without dead ends: 400 [2023-12-19 23:22:56,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:22:56,588 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 0 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:56,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1193 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:22:56,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2023-12-19 23:22:56,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2023-12-19 23:22:56,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 304 states have (on average 1.582236842105263) internal successors, (481), 308 states have internal predecessors, (481), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-19 23:22:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 614 transitions. [2023-12-19 23:22:56,605 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 614 transitions. Word has length 147 [2023-12-19 23:22:56,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:56,605 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 614 transitions. [2023-12-19 23:22:56,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:22:56,606 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 614 transitions. [2023-12-19 23:22:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-19 23:22:56,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:56,608 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:56,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-19 23:22:56,814 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 [2023-12-19 23:22:56,815 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:56,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:56,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1474452599, now seen corresponding path program 1 times [2023-12-19 23:22:56,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:56,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802571272] [2023-12-19 23:22:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:56,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:22:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:22:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:22:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 23:22:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:22:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:22:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:22:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-19 23:22:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:22:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:22:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 23:22:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:22:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:22:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:22:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:22:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:22:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:22:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:22:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,118 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-19 23:22:57,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:57,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802571272] [2023-12-19 23:22:57,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802571272] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:22:57,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736535092] [2023-12-19 23:22:57,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:57,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:57,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:22:57,120 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) [2023-12-19 23:22:57,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 23:22:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:22:57,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:22:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-19 23:22:57,431 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:22:57,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736535092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:57,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:22:57,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-19 23:22:57,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78291176] [2023-12-19 23:22:57,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:57,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:22:57,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:57,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:22:57,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:22:57,437 INFO L87 Difference]: Start difference. First operand 400 states and 614 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:22:57,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:57,502 INFO L93 Difference]: Finished difference Result 848 states and 1320 transitions. [2023-12-19 23:22:57,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:22:57,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 154 [2023-12-19 23:22:57,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:57,508 INFO L225 Difference]: With dead ends: 848 [2023-12-19 23:22:57,508 INFO L226 Difference]: Without dead ends: 470 [2023-12-19 23:22:57,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:22:57,511 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 129 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:57,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1159 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:22:57,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2023-12-19 23:22:57,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 465. [2023-12-19 23:22:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 355 states have (on average 1.6) internal successors, (568), 359 states have internal predecessors, (568), 81 states have call successors, (81), 28 states have call predecessors, (81), 28 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-19 23:22:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 729 transitions. [2023-12-19 23:22:57,533 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 729 transitions. Word has length 154 [2023-12-19 23:22:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:57,533 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 729 transitions. [2023-12-19 23:22:57,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:22:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 729 transitions. [2023-12-19 23:22:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 23:22:57,535 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:57,535 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:57,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 23:22:57,745 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 [2023-12-19 23:22:57,745 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:57,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:57,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1086734248, now seen corresponding path program 1 times [2023-12-19 23:22:57,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:57,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802666017] [2023-12-19 23:22:57,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:57,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:22:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:22:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:22:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 23:22:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 23:22:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-19 23:22:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-19 23:22:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 23:22:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:22:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 23:22:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:22:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:22:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:22:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:22:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:22:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-19 23:22:57,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:57,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802666017] [2023-12-19 23:22:57,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802666017] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:22:57,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565117070] [2023-12-19 23:22:57,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:57,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:57,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:22:57,925 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) [2023-12-19 23:22:57,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 23:22:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-19 23:22:58,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:22:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-19 23:22:58,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:22:58,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565117070] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:58,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:22:58,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-19 23:22:58,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188339037] [2023-12-19 23:22:58,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:58,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:22:58,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:58,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:22:58,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:22:58,274 INFO L87 Difference]: Start difference. First operand 465 states and 729 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:22:58,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:58,358 INFO L93 Difference]: Finished difference Result 925 states and 1452 transitions. [2023-12-19 23:22:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:22:58,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 137 [2023-12-19 23:22:58,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:58,363 INFO L225 Difference]: With dead ends: 925 [2023-12-19 23:22:58,363 INFO L226 Difference]: Without dead ends: 467 [2023-12-19 23:22:58,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:58,368 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 8 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:58,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2341 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:22:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-12-19 23:22:58,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2023-12-19 23:22:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 356 states have (on average 1.598314606741573) internal successors, (569), 361 states have internal predecessors, (569), 81 states have call successors, (81), 28 states have call predecessors, (81), 29 states have return successors, (82), 79 states have call predecessors, (82), 80 states have call successors, (82) [2023-12-19 23:22:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 732 transitions. [2023-12-19 23:22:58,398 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 732 transitions. Word has length 137 [2023-12-19 23:22:58,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:58,399 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 732 transitions. [2023-12-19 23:22:58,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:22:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 732 transitions. [2023-12-19 23:22:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 23:22:58,402 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:58,402 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:58,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-19 23:22:58,610 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 [2023-12-19 23:22:58,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:58,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash -599205629, now seen corresponding path program 1 times [2023-12-19 23:22:58,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:58,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563701098] [2023-12-19 23:22:58,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:58,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-19 23:22:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-19 23:22:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-19 23:22:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 23:22:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 23:22:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:22:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:22:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 23:22:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:22:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-19 23:22:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 23:22:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:22:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:22:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:22:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 23:22:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 23:22:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-19 23:22:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:22:58,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:58,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563701098] [2023-12-19 23:22:58,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563701098] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:22:58,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993684854] [2023-12-19 23:22:58,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:58,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:58,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:22:58,861 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) [2023-12-19 23:22:58,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 23:22:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 23:22:59,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:22:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-19 23:22:59,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:22:59,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993684854] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:59,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:22:59,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-19 23:22:59,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905066194] [2023-12-19 23:22:59,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:59,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:22:59,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:59,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:22:59,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-19 23:22:59,172 INFO L87 Difference]: Start difference. First operand 467 states and 732 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-19 23:22:59,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:59,249 INFO L93 Difference]: Finished difference Result 927 states and 1457 transitions. [2023-12-19 23:22:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:22:59,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 156 [2023-12-19 23:22:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:59,251 INFO L225 Difference]: With dead ends: 927 [2023-12-19 23:22:59,251 INFO L226 Difference]: Without dead ends: 469 [2023-12-19 23:22:59,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-19 23:22:59,253 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 8 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:59,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2327 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:22:59,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-12-19 23:22:59,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2023-12-19 23:22:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 357 states have (on average 1.596638655462185) internal successors, (570), 363 states have internal predecessors, (570), 81 states have call successors, (81), 28 states have call predecessors, (81), 30 states have return successors, (87), 79 states have call predecessors, (87), 80 states have call successors, (87) [2023-12-19 23:22:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 738 transitions. [2023-12-19 23:22:59,264 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 738 transitions. Word has length 156 [2023-12-19 23:22:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:59,265 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 738 transitions. [2023-12-19 23:22:59,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-19 23:22:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 738 transitions. [2023-12-19 23:22:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 23:22:59,267 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:59,267 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:59,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 23:22:59,474 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 [2023-12-19 23:22:59,476 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:59,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:59,477 INFO L85 PathProgramCache]: Analyzing trace with hash 642658600, now seen corresponding path program 1 times [2023-12-19 23:22:59,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:59,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590304844] [2023-12-19 23:22:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:59,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-19 23:22:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 23:22:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-19 23:22:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:22:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:22:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 23:22:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:22:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-19 23:22:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:22:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:22:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:22:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:22:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:22:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-19 23:22:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-19 23:22:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-19 23:22:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-19 23:22:59,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:59,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590304844] [2023-12-19 23:22:59,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590304844] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:59,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:59,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 23:22:59,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140493109] [2023-12-19 23:22:59,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:59,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 23:22:59,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:59,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 23:22:59,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:22:59,680 INFO L87 Difference]: Start difference. First operand 469 states and 738 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-19 23:23:01,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:01,454 INFO L93 Difference]: Finished difference Result 1028 states and 1650 transitions. [2023-12-19 23:23:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 23:23:01,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 157 [2023-12-19 23:23:01,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:01,458 INFO L225 Difference]: With dead ends: 1028 [2023-12-19 23:23:01,458 INFO L226 Difference]: Without dead ends: 578 [2023-12-19 23:23:01,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:23:01,459 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1365 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2667 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 3168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 2667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:01,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 1194 Invalid, 3168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 2667 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-19 23:23:01,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-12-19 23:23:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 469. [2023-12-19 23:23:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 357 states have (on average 1.596638655462185) internal successors, (570), 363 states have internal predecessors, (570), 81 states have call successors, (81), 28 states have call predecessors, (81), 30 states have return successors, (86), 79 states have call predecessors, (86), 80 states have call successors, (86) [2023-12-19 23:23:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 737 transitions. [2023-12-19 23:23:01,487 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 737 transitions. Word has length 157 [2023-12-19 23:23:01,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:01,488 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 737 transitions. [2023-12-19 23:23:01,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-19 23:23:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 737 transitions. [2023-12-19 23:23:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-19 23:23:01,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:01,490 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:01,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 23:23:01,490 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:01,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:01,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2005571760, now seen corresponding path program 2 times [2023-12-19 23:23:01,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:01,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29245259] [2023-12-19 23:23:01,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 23:23:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-19 23:23:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 23:23:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:23:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:23:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:23:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:23:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:23:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:23:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:23:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:23:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:23:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:23:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:23:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-19 23:23:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-19 23:23:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-19 23:23:01,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:01,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29245259] [2023-12-19 23:23:01,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29245259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:01,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:01,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 23:23:01,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361098368] [2023-12-19 23:23:01,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:01,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 23:23:01,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:01,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 23:23:01,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:23:01,642 INFO L87 Difference]: Start difference. First operand 469 states and 737 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-19 23:23:03,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:03,500 INFO L93 Difference]: Finished difference Result 1030 states and 1653 transitions. [2023-12-19 23:23:03,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 23:23:03,500 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 158 [2023-12-19 23:23:03,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:03,503 INFO L225 Difference]: With dead ends: 1030 [2023-12-19 23:23:03,503 INFO L226 Difference]: Without dead ends: 580 [2023-12-19 23:23:03,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:23:03,505 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1363 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2647 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 2647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:03,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 1192 Invalid, 3154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 2647 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:23:03,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2023-12-19 23:23:03,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 471. [2023-12-19 23:23:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 358 states have (on average 1.594972067039106) internal successors, (571), 365 states have internal predecessors, (571), 81 states have call successors, (81), 28 states have call predecessors, (81), 31 states have return successors, (88), 79 states have call predecessors, (88), 80 states have call successors, (88) [2023-12-19 23:23:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 740 transitions. [2023-12-19 23:23:03,525 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 740 transitions. Word has length 158 [2023-12-19 23:23:03,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:03,526 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 740 transitions. [2023-12-19 23:23:03,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-19 23:23:03,526 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 740 transitions. [2023-12-19 23:23:03,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-19 23:23:03,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:03,528 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:03,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 23:23:03,528 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:03,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:03,528 INFO L85 PathProgramCache]: Analyzing trace with hash -255220836, now seen corresponding path program 1 times [2023-12-19 23:23:03,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:03,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61553309] [2023-12-19 23:23:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:03,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:23:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-19 23:23:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:23:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:23:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 23:23:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:23:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:23:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:23:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:23:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:23:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:23:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-19 23:23:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-19 23:23:03,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:03,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61553309] [2023-12-19 23:23:03,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61553309] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:03,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:03,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:23:03,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051305039] [2023-12-19 23:23:03,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:03,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:23:03,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:03,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:23:03,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:23:03,693 INFO L87 Difference]: Start difference. First operand 471 states and 740 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 23:23:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:06,201 INFO L93 Difference]: Finished difference Result 1028 states and 1648 transitions. [2023-12-19 23:23:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 23:23:06,201 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2023-12-19 23:23:06,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:06,207 INFO L225 Difference]: With dead ends: 1028 [2023-12-19 23:23:06,207 INFO L226 Difference]: Without dead ends: 580 [2023-12-19 23:23:06,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-19 23:23:06,211 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1373 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 4964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 4458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:06,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 1651 Invalid, 4964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-19 23:23:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2023-12-19 23:23:06,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 471. [2023-12-19 23:23:06,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 358 states have (on average 1.594972067039106) internal successors, (571), 365 states have internal predecessors, (571), 81 states have call successors, (81), 28 states have call predecessors, (81), 31 states have return successors, (87), 79 states have call predecessors, (87), 80 states have call successors, (87) [2023-12-19 23:23:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 739 transitions. [2023-12-19 23:23:06,234 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 739 transitions. Word has length 141 [2023-12-19 23:23:06,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:06,235 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 739 transitions. [2023-12-19 23:23:06,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 23:23:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 739 transitions. [2023-12-19 23:23:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 23:23:06,237 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:06,237 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:06,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 23:23:06,237 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:06,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:06,238 INFO L85 PathProgramCache]: Analyzing trace with hash -647699003, now seen corresponding path program 2 times [2023-12-19 23:23:06,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:06,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359390450] [2023-12-19 23:23:06,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:06,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 23:23:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-19 23:23:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:23:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 23:23:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 23:23:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 23:23:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:23:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:23:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:23:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:23:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:23:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:23:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-19 23:23:06,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:06,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359390450] [2023-12-19 23:23:06,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359390450] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:06,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:06,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:23:06,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310315505] [2023-12-19 23:23:06,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:06,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:23:06,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:06,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:23:06,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:23:06,415 INFO L87 Difference]: Start difference. First operand 471 states and 739 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 23:23:08,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:08,517 INFO L93 Difference]: Finished difference Result 1030 states and 1654 transitions. [2023-12-19 23:23:08,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 23:23:08,517 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 142 [2023-12-19 23:23:08,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:08,520 INFO L225 Difference]: With dead ends: 1030 [2023-12-19 23:23:08,520 INFO L226 Difference]: Without dead ends: 582 [2023-12-19 23:23:08,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-19 23:23:08,523 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 1363 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4556 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 5040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 4556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:08,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 1652 Invalid, 5040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 4556 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-19 23:23:08,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2023-12-19 23:23:08,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 473. [2023-12-19 23:23:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 359 states have (on average 1.5933147632311977) internal successors, (572), 367 states have internal predecessors, (572), 81 states have call successors, (81), 28 states have call predecessors, (81), 32 states have return successors, (92), 79 states have call predecessors, (92), 80 states have call successors, (92) [2023-12-19 23:23:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 745 transitions. [2023-12-19 23:23:08,542 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 745 transitions. Word has length 142 [2023-12-19 23:23:08,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:08,543 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 745 transitions. [2023-12-19 23:23:08,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 23:23:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 745 transitions. [2023-12-19 23:23:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 23:23:08,544 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:08,544 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:08,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 23:23:08,545 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:08,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:08,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1429345537, now seen corresponding path program 1 times [2023-12-19 23:23:08,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:08,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070342294] [2023-12-19 23:23:08,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:08,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 23:23:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 23:23:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:23:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-19 23:23:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:23:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:23:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:23:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:23:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:23:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:23:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:23:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:23:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-19 23:23:08,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:08,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070342294] [2023-12-19 23:23:08,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070342294] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:23:08,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074575534] [2023-12-19 23:23:08,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:08,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:23:08,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:23:08,727 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) [2023-12-19 23:23:08,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 23:23:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:08,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:23:08,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:23:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:09,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:23:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:09,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074575534] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:23:09,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:23:09,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-19 23:23:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853522418] [2023-12-19 23:23:09,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:23:09,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-19 23:23:09,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:09,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-19 23:23:09,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-19 23:23:09,079 INFO L87 Difference]: Start difference. First operand 473 states and 745 transitions. Second operand has 15 states, 14 states have (on average 10.5) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2023-12-19 23:23:12,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:12,042 INFO L93 Difference]: Finished difference Result 1449 states and 2430 transitions. [2023-12-19 23:23:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-19 23:23:12,043 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.5) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 143 [2023-12-19 23:23:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:12,048 INFO L225 Difference]: With dead ends: 1449 [2023-12-19 23:23:12,048 INFO L226 Difference]: Without dead ends: 1002 [2023-12-19 23:23:12,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-19 23:23:12,051 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 2516 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 5617 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 2058 SdHoareTripleChecker+Invalid, 6513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 5617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:12,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 2058 Invalid, 6513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 5617 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-19 23:23:12,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2023-12-19 23:23:12,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 878. [2023-12-19 23:23:12,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 685 states have (on average 1.6423357664233578) internal successors, (1125), 693 states have internal predecessors, (1125), 160 states have call successors, (160), 28 states have call predecessors, (160), 32 states have return successors, (181), 158 states have call predecessors, (181), 159 states have call successors, (181) [2023-12-19 23:23:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1466 transitions. [2023-12-19 23:23:12,086 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1466 transitions. Word has length 143 [2023-12-19 23:23:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:12,086 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1466 transitions. [2023-12-19 23:23:12,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.5) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2023-12-19 23:23:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1466 transitions. [2023-12-19 23:23:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-19 23:23:12,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:12,089 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:12,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 23:23:12,296 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 [2023-12-19 23:23:12,297 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:12,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:12,297 INFO L85 PathProgramCache]: Analyzing trace with hash -795264249, now seen corresponding path program 1 times [2023-12-19 23:23:12,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:12,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470120061] [2023-12-19 23:23:12,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:12,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-19 23:23:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:23:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:23:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:23:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:23:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:23:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:23:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:23:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:23:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:23:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:23:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:23:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-19 23:23:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-19 23:23:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-19 23:23:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-19 23:23:12,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:12,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470120061] [2023-12-19 23:23:12,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470120061] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:12,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:12,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:12,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396547409] [2023-12-19 23:23:12,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:12,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:12,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:12,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:12,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:12,374 INFO L87 Difference]: Start difference. First operand 878 states and 1466 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:23:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:13,831 INFO L93 Difference]: Finished difference Result 2184 states and 3749 transitions. [2023-12-19 23:23:13,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:13,832 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 165 [2023-12-19 23:23:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:13,868 INFO L225 Difference]: With dead ends: 2184 [2023-12-19 23:23:13,868 INFO L226 Difference]: Without dead ends: 1374 [2023-12-19 23:23:13,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:13,872 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1480 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:13,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 899 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:23:13,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2023-12-19 23:23:13,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1260. [2023-12-19 23:23:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 988 states have (on average 1.6568825910931173) internal successors, (1637), 996 states have internal predecessors, (1637), 239 states have call successors, (239), 28 states have call predecessors, (239), 32 states have return successors, (270), 237 states have call predecessors, (270), 238 states have call successors, (270) [2023-12-19 23:23:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 2146 transitions. [2023-12-19 23:23:13,966 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 2146 transitions. Word has length 165 [2023-12-19 23:23:13,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:13,966 INFO L495 AbstractCegarLoop]: Abstraction has 1260 states and 2146 transitions. [2023-12-19 23:23:13,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:23:13,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 2146 transitions. [2023-12-19 23:23:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-19 23:23:13,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:13,992 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:13,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 23:23:13,992 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:13,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:13,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1904070792, now seen corresponding path program 1 times [2023-12-19 23:23:13,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:13,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309562847] [2023-12-19 23:23:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 23:23:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:23:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:23:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:23:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:23:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:23:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:23:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:23:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:23:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:23:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-19 23:23:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 23:23:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:23:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-19 23:23:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-19 23:23:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-19 23:23:14,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:14,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309562847] [2023-12-19 23:23:14,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309562847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:14,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:14,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:14,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142020315] [2023-12-19 23:23:14,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:14,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:14,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:14,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:14,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:14,119 INFO L87 Difference]: Start difference. First operand 1260 states and 2146 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:23:15,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:15,666 INFO L93 Difference]: Finished difference Result 3135 states and 5435 transitions. [2023-12-19 23:23:15,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:15,666 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 166 [2023-12-19 23:23:15,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:15,674 INFO L225 Difference]: With dead ends: 3135 [2023-12-19 23:23:15,675 INFO L226 Difference]: Without dead ends: 1993 [2023-12-19 23:23:15,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:15,679 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1475 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:15,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 874 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-19 23:23:15,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2023-12-19 23:23:15,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1879. [2023-12-19 23:23:15,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1488 states have (on average 1.6646505376344085) internal successors, (2477), 1496 states have internal predecessors, (2477), 358 states have call successors, (358), 28 states have call predecessors, (358), 32 states have return successors, (389), 356 states have call predecessors, (389), 357 states have call successors, (389) [2023-12-19 23:23:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 3224 transitions. [2023-12-19 23:23:15,756 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 3224 transitions. Word has length 166 [2023-12-19 23:23:15,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:15,757 INFO L495 AbstractCegarLoop]: Abstraction has 1879 states and 3224 transitions. [2023-12-19 23:23:15,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:23:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3224 transitions. [2023-12-19 23:23:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-19 23:23:15,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:15,765 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:15,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 23:23:15,765 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:15,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:15,765 INFO L85 PathProgramCache]: Analyzing trace with hash -563563996, now seen corresponding path program 1 times [2023-12-19 23:23:15,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:15,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030646921] [2023-12-19 23:23:15,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:23:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:23:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:23:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:23:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:23:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-19 23:23:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:23:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:23:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:23:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:23:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:23:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:23:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:15,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:15,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030646921] [2023-12-19 23:23:15,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030646921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:15,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:15,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:15,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298831282] [2023-12-19 23:23:15,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:15,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:15,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:15,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:15,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:15,849 INFO L87 Difference]: Start difference. First operand 1879 states and 3224 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:17,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:17,215 INFO L93 Difference]: Finished difference Result 4575 states and 8006 transitions. [2023-12-19 23:23:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:17,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2023-12-19 23:23:17,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:17,228 INFO L225 Difference]: With dead ends: 4575 [2023-12-19 23:23:17,228 INFO L226 Difference]: Without dead ends: 2942 [2023-12-19 23:23:17,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:17,234 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1473 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:17,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 879 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:23:17,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2023-12-19 23:23:17,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2828. [2023-12-19 23:23:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2275 states have (on average 1.6712087912087912) internal successors, (3802), 2283 states have internal predecessors, (3802), 520 states have call successors, (520), 28 states have call predecessors, (520), 32 states have return successors, (567), 518 states have call predecessors, (567), 519 states have call successors, (567) [2023-12-19 23:23:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 4889 transitions. [2023-12-19 23:23:17,386 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 4889 transitions. Word has length 149 [2023-12-19 23:23:17,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:17,387 INFO L495 AbstractCegarLoop]: Abstraction has 2828 states and 4889 transitions. [2023-12-19 23:23:17,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 4889 transitions. [2023-12-19 23:23:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-19 23:23:17,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:17,398 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:17,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 23:23:17,398 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:17,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:17,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1611605304, now seen corresponding path program 1 times [2023-12-19 23:23:17,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:17,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485285895] [2023-12-19 23:23:17,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:17,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-19 23:23:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:23:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 23:23:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 23:23:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-19 23:23:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-19 23:23:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-19 23:23:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:23:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:23:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:23:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 23:23:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 23:23:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:17,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:17,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485285895] [2023-12-19 23:23:17,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485285895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:17,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:17,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:17,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746187736] [2023-12-19 23:23:17,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:17,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:17,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:17,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:17,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:17,506 INFO L87 Difference]: Start difference. First operand 2828 states and 4889 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:18,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:18,992 INFO L93 Difference]: Finished difference Result 6847 states and 12074 transitions. [2023-12-19 23:23:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:18,992 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2023-12-19 23:23:18,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:19,012 INFO L225 Difference]: With dead ends: 6847 [2023-12-19 23:23:19,012 INFO L226 Difference]: Without dead ends: 4474 [2023-12-19 23:23:19,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:19,020 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1474 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:19,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 871 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:23:19,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2023-12-19 23:23:19,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 4360. [2023-12-19 23:23:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4360 states, 3562 states have (on average 1.6760247052217856) internal successors, (5970), 3570 states have internal predecessors, (5970), 765 states have call successors, (765), 28 states have call predecessors, (765), 32 states have return successors, (838), 763 states have call predecessors, (838), 764 states have call successors, (838) [2023-12-19 23:23:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 4360 states and 7573 transitions. [2023-12-19 23:23:19,248 INFO L78 Accepts]: Start accepts. Automaton has 4360 states and 7573 transitions. Word has length 150 [2023-12-19 23:23:19,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:19,248 INFO L495 AbstractCegarLoop]: Abstraction has 4360 states and 7573 transitions. [2023-12-19 23:23:19,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4360 states and 7573 transitions. [2023-12-19 23:23:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-19 23:23:19,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:19,262 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:19,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-19 23:23:19,262 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:19,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1538633024, now seen corresponding path program 1 times [2023-12-19 23:23:19,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:19,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323362505] [2023-12-19 23:23:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 23:23:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:23:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-19 23:23:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 23:23:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:23:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:23:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:23:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:23:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:23:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:23:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-19 23:23:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-19 23:23:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:19,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:19,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323362505] [2023-12-19 23:23:19,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323362505] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:19,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:19,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:19,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409612860] [2023-12-19 23:23:19,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:19,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:19,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:19,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:19,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:19,337 INFO L87 Difference]: Start difference. First operand 4360 states and 7573 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:20,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:20,712 INFO L93 Difference]: Finished difference Result 10900 states and 19285 transitions. [2023-12-19 23:23:20,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:20,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2023-12-19 23:23:20,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:20,742 INFO L225 Difference]: With dead ends: 10900 [2023-12-19 23:23:20,743 INFO L226 Difference]: Without dead ends: 7234 [2023-12-19 23:23:20,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:20,755 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1473 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 555 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:20,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 900 Invalid, 2074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [555 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-19 23:23:20,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2023-12-19 23:23:21,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7120. [2023-12-19 23:23:21,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7120 states, 5829 states have (on average 1.6719849030708527) internal successors, (9746), 5837 states have internal predecessors, (9746), 1258 states have call successors, (1258), 28 states have call predecessors, (1258), 32 states have return successors, (1375), 1256 states have call predecessors, (1375), 1257 states have call successors, (1375) [2023-12-19 23:23:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7120 states to 7120 states and 12379 transitions. [2023-12-19 23:23:21,051 INFO L78 Accepts]: Start accepts. Automaton has 7120 states and 12379 transitions. Word has length 151 [2023-12-19 23:23:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:21,051 INFO L495 AbstractCegarLoop]: Abstraction has 7120 states and 12379 transitions. [2023-12-19 23:23:21,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 7120 states and 12379 transitions. [2023-12-19 23:23:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-19 23:23:21,073 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:21,073 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:21,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 23:23:21,073 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:21,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash 775120028, now seen corresponding path program 1 times [2023-12-19 23:23:21,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:21,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918594311] [2023-12-19 23:23:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:23:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:23:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 23:23:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:23:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:23:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:23:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:23:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:23:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:23:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:23:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:23:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-19 23:23:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:21,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:21,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918594311] [2023-12-19 23:23:21,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918594311] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:21,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:21,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:21,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48305648] [2023-12-19 23:23:21,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:21,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:21,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:21,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:21,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:21,155 INFO L87 Difference]: Start difference. First operand 7120 states and 12379 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:22,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:22,733 INFO L93 Difference]: Finished difference Result 18103 states and 32032 transitions. [2023-12-19 23:23:22,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:22,733 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 152 [2023-12-19 23:23:22,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:22,789 INFO L225 Difference]: With dead ends: 18103 [2023-12-19 23:23:22,790 INFO L226 Difference]: Without dead ends: 12063 [2023-12-19 23:23:22,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:22,807 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1473 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 571 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:22,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 882 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [571 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:23:22,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12063 states. [2023-12-19 23:23:23,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12063 to 11949. [2023-12-19 23:23:23,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11949 states, 9836 states have (on average 1.6721228141520943) internal successors, (16447), 9844 states have internal predecessors, (16447), 2080 states have call successors, (2080), 28 states have call predecessors, (2080), 32 states have return successors, (2275), 2078 states have call predecessors, (2275), 2079 states have call successors, (2275) [2023-12-19 23:23:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11949 states to 11949 states and 20802 transitions. [2023-12-19 23:23:23,174 INFO L78 Accepts]: Start accepts. Automaton has 11949 states and 20802 transitions. Word has length 152 [2023-12-19 23:23:23,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:23,175 INFO L495 AbstractCegarLoop]: Abstraction has 11949 states and 20802 transitions. [2023-12-19 23:23:23,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 11949 states and 20802 transitions. [2023-12-19 23:23:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-19 23:23:23,208 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:23,208 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:23,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 23:23:23,208 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:23,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:23,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1876560862, now seen corresponding path program 1 times [2023-12-19 23:23:23,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:23,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830589301] [2023-12-19 23:23:23,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:23,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:23:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-19 23:23:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:23:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:23:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:23:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:23:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:23:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:23:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:23:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-19 23:23:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 23:23:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-19 23:23:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:23,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:23,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830589301] [2023-12-19 23:23:23,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830589301] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:23,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:23,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:23,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58781239] [2023-12-19 23:23:23,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:23,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:23,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:23,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:23,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:23,332 INFO L87 Difference]: Start difference. First operand 11949 states and 20802 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:25,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:25,002 INFO L93 Difference]: Finished difference Result 28649 states and 50480 transitions. [2023-12-19 23:23:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:25,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2023-12-19 23:23:25,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:25,136 INFO L225 Difference]: With dead ends: 28649 [2023-12-19 23:23:25,136 INFO L226 Difference]: Without dead ends: 18735 [2023-12-19 23:23:25,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:25,174 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1468 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:25,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 854 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 1511 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:23:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18735 states. [2023-12-19 23:23:25,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18735 to 18621. [2023-12-19 23:23:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18621 states, 15305 states have (on average 1.648872917347272) internal successors, (25236), 15313 states have internal predecessors, (25236), 3283 states have call successors, (3283), 28 states have call predecessors, (3283), 32 states have return successors, (3622), 3281 states have call predecessors, (3622), 3282 states have call successors, (3622) [2023-12-19 23:23:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18621 states to 18621 states and 32141 transitions. [2023-12-19 23:23:26,008 INFO L78 Accepts]: Start accepts. Automaton has 18621 states and 32141 transitions. Word has length 153 [2023-12-19 23:23:26,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:26,008 INFO L495 AbstractCegarLoop]: Abstraction has 18621 states and 32141 transitions. [2023-12-19 23:23:26,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 18621 states and 32141 transitions. [2023-12-19 23:23:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-19 23:23:26,046 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:26,046 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:26,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 23:23:26,047 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:26,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:26,047 INFO L85 PathProgramCache]: Analyzing trace with hash 617180157, now seen corresponding path program 1 times [2023-12-19 23:23:26,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:26,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397375598] [2023-12-19 23:23:26,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:23:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:23:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 23:23:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:23:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 23:23:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:23:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:23:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:23:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:23:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:23:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:23:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:23:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:26,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:26,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397375598] [2023-12-19 23:23:26,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397375598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:26,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:26,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:26,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250126233] [2023-12-19 23:23:26,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:26,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:26,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:26,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:26,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:26,136 INFO L87 Difference]: Start difference. First operand 18621 states and 32141 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:27,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:27,929 INFO L93 Difference]: Finished difference Result 49282 states and 86599 transitions. [2023-12-19 23:23:27,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:27,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2023-12-19 23:23:27,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:28,030 INFO L225 Difference]: With dead ends: 49282 [2023-12-19 23:23:28,031 INFO L226 Difference]: Without dead ends: 33316 [2023-12-19 23:23:28,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:28,062 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1466 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 571 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:28,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 874 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [571 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-19 23:23:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33316 states. [2023-12-19 23:23:29,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33316 to 33202. [2023-12-19 23:23:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33202 states, 27436 states have (on average 1.6460854351946348) internal successors, (45162), 27444 states have internal predecessors, (45162), 5733 states have call successors, (5733), 28 states have call predecessors, (5733), 32 states have return successors, (6346), 5731 states have call predecessors, (6346), 5732 states have call successors, (6346) [2023-12-19 23:23:29,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33202 states to 33202 states and 57241 transitions. [2023-12-19 23:23:29,168 INFO L78 Accepts]: Start accepts. Automaton has 33202 states and 57241 transitions. Word has length 154 [2023-12-19 23:23:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:29,169 INFO L495 AbstractCegarLoop]: Abstraction has 33202 states and 57241 transitions. [2023-12-19 23:23:29,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 33202 states and 57241 transitions. [2023-12-19 23:23:29,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-19 23:23:29,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:29,219 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:29,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-19 23:23:29,219 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:29,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:29,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1645647251, now seen corresponding path program 1 times [2023-12-19 23:23:29,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:29,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904794640] [2023-12-19 23:23:29,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:29,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:23:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:23:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:23:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:23:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:23:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:23:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:23:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:23:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:23:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:23:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:23:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:23:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-19 23:23:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-19 23:23:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-19 23:23:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-19 23:23:29,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:29,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904794640] [2023-12-19 23:23:29,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904794640] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:29,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:29,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:29,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701319086] [2023-12-19 23:23:29,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:29,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:29,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:29,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:29,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:29,304 INFO L87 Difference]: Start difference. First operand 33202 states and 57241 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:23:32,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:32,220 INFO L93 Difference]: Finished difference Result 90584 states and 158428 transitions. [2023-12-19 23:23:32,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:32,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 173 [2023-12-19 23:23:32,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:32,424 INFO L225 Difference]: With dead ends: 90584 [2023-12-19 23:23:32,425 INFO L226 Difference]: Without dead ends: 60928 [2023-12-19 23:23:32,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:32,490 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1464 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 564 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:32,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 885 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [564 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-19 23:23:32,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60928 states. [2023-12-19 23:23:34,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60928 to 60814. [2023-12-19 23:23:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60814 states, 50535 states have (on average 1.6422677352330068) internal successors, (82992), 50543 states have internal predecessors, (82992), 10246 states have call successors, (10246), 28 states have call predecessors, (10246), 32 states have return successors, (11391), 10244 states have call predecessors, (11391), 10245 states have call successors, (11391) [2023-12-19 23:23:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60814 states to 60814 states and 104629 transitions. [2023-12-19 23:23:35,377 INFO L78 Accepts]: Start accepts. Automaton has 60814 states and 104629 transitions. Word has length 173 [2023-12-19 23:23:35,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:35,377 INFO L495 AbstractCegarLoop]: Abstraction has 60814 states and 104629 transitions. [2023-12-19 23:23:35,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-19 23:23:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 60814 states and 104629 transitions. [2023-12-19 23:23:35,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 23:23:35,483 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:35,483 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:35,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 23:23:35,483 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:35,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2013712835, now seen corresponding path program 1 times [2023-12-19 23:23:35,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:35,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522425686] [2023-12-19 23:23:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:35,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:23:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:23:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:23:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:23:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-19 23:23:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 23:23:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:23:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:23:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:23:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 23:23:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 23:23:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-19 23:23:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:23:35,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:35,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522425686] [2023-12-19 23:23:35,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522425686] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:35,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:35,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:23:35,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311488731] [2023-12-19 23:23:35,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:35,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:23:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:35,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:23:35,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:23:35,775 INFO L87 Difference]: Start difference. First operand 60814 states and 104629 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:39,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:39,309 INFO L93 Difference]: Finished difference Result 113936 states and 199781 transitions. [2023-12-19 23:23:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:23:39,309 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2023-12-19 23:23:39,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:39,734 INFO L225 Difference]: With dead ends: 113936 [2023-12-19 23:23:39,734 INFO L226 Difference]: Without dead ends: 113722 [2023-12-19 23:23:39,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:23:39,775 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1462 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:39,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 872 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 1471 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:23:39,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113722 states. [2023-12-19 23:23:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113722 to 113608. [2023-12-19 23:23:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113608 states, 94961 states have (on average 1.6373142658565094) internal successors, (155481), 94969 states have internal predecessors, (155481), 18614 states have call successors, (18614), 28 states have call predecessors, (18614), 32 states have return successors, (20805), 18612 states have call predecessors, (20805), 18613 states have call successors, (20805) [2023-12-19 23:23:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113608 states to 113608 states and 194900 transitions. [2023-12-19 23:23:44,022 INFO L78 Accepts]: Start accepts. Automaton has 113608 states and 194900 transitions. Word has length 156 [2023-12-19 23:23:44,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:44,022 INFO L495 AbstractCegarLoop]: Abstraction has 113608 states and 194900 transitions. [2023-12-19 23:23:44,022 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:23:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 113608 states and 194900 transitions. [2023-12-19 23:23:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 23:23:44,144 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:44,144 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:44,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-19 23:23:44,145 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:44,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:44,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1209486405, now seen corresponding path program 1 times [2023-12-19 23:23:44,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:44,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411864533] [2023-12-19 23:23:44,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:44,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:23:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:23:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:23:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 23:23:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:23:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:23:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:23:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:23:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:23:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-19 23:23:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-19 23:23:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-19 23:23:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-19 23:23:44,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:44,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411864533] [2023-12-19 23:23:44,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411864533] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:23:44,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590236786] [2023-12-19 23:23:44,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:44,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:23:44,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:23:44,730 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) [2023-12-19 23:23:44,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 23:23:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-19 23:23:45,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:23:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-19 23:23:45,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:23:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-19 23:23:45,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590236786] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:23:45,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:23:45,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2023-12-19 23:23:45,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144019099] [2023-12-19 23:23:45,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:23:45,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-19 23:23:45,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:45,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-19 23:23:45,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2023-12-19 23:23:45,514 INFO L87 Difference]: Start difference. First operand 113608 states and 194900 transitions. Second operand has 32 states, 30 states have (on average 8.266666666666667) internal successors, (248), 24 states have internal predecessors, (248), 9 states have call successors, (55), 12 states have call predecessors, (55), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47) [2023-12-19 23:24:18,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:24:18,725 INFO L93 Difference]: Finished difference Result 678993 states and 1214216 transitions. [2023-12-19 23:24:18,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-12-19 23:24:18,725 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 8.266666666666667) internal successors, (248), 24 states have internal predecessors, (248), 9 states have call successors, (55), 12 states have call predecessors, (55), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47) Word has length 157 [2023-12-19 23:24:18,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:24:23,197 INFO L225 Difference]: With dead ends: 678993 [2023-12-19 23:24:23,197 INFO L226 Difference]: Without dead ends: 678782 [2023-12-19 23:24:23,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11881 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=3913, Invalid=29029, Unknown=0, NotChecked=0, Total=32942 [2023-12-19 23:24:23,545 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 8560 mSDsluCounter, 12784 mSDsCounter, 0 mSdLazyCounter, 31509 mSolverCounterSat, 2989 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8607 SdHoareTripleChecker+Valid, 13422 SdHoareTripleChecker+Invalid, 34498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2989 IncrementalHoareTripleChecker+Valid, 31509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-12-19 23:24:23,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8607 Valid, 13422 Invalid, 34498 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2989 Valid, 31509 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2023-12-19 23:24:24,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678782 states.