/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_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:48:13,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:48:13,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:48:13,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:48:13,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:48:13,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:48:13,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:48:13,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:48:13,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:48:13,498 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:48:13,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:48:13,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:48:13,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:48:13,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:48:13,500 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:48:13,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:48:13,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:48:13,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:48:13,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:48:13,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:48:13,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:48:13,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:48:13,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:48:13,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:48:13,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:48:13,502 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:48:13,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:48:13,502 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:48:13,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:48:13,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:48:13,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:48:13,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:48:13,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:48:13,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:48:13,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:48:13,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:48:13,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:48:13,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:48:13,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:48:13,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:48:13,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:48:13,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:48:13,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:48:13,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:48:13,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:48:13,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:48:13,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:48:13,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:48:13,676 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:48:13,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2023-12-15 22:48:14,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:48:14,929 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:48:14,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2023-12-15 22:48:14,943 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b02c6462/61a4b56e0347473e831e5f9f89b4f830/FLAG507800975 [2023-12-15 22:48:14,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b02c6462/61a4b56e0347473e831e5f9f89b4f830 [2023-12-15 22:48:14,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:48:14,956 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:48:14,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:48:14,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:48:14,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:48:14,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:48:14" (1/1) ... [2023-12-15 22:48:14,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23940688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:14, skipping insertion in model container [2023-12-15 22:48:14,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:48:14" (1/1) ... [2023-12-15 22:48:15,010 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:48:15,130 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_spec4_product27.cil.c[1542,1555] [2023-12-15 22:48:15,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:48:15,411 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:48:15,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2023-12-15 22:48:15,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57] [2023-12-15 22:48:15,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [75] [2023-12-15 22:48:15,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [308] [2023-12-15 22:48:15,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [357] [2023-12-15 22:48:15,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1437] [2023-12-15 22:48:15,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1849] [2023-12-15 22:48:15,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1948] [2023-12-15 22:48:15,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2314] [2023-12-15 22:48:15,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2619] [2023-12-15 22:48:15,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2985] [2023-12-15 22:48:15,424 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_spec4_product27.cil.c[1542,1555] [2023-12-15 22:48:15,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:48:15,551 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:48:15,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15 WrapperNode [2023-12-15 22:48:15,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:48:15,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:48:15,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:48:15,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:48:15,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,640 INFO L138 Inliner]: procedures = 133, calls = 208, calls flagged for inlining = 64, calls inlined = 61, statements flattened = 1094 [2023-12-15 22:48:15,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:48:15,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:48:15,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:48:15,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:48:15,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,695 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]. [2023-12-15 22:48:15,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:48:15,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:48:15,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:48:15,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:48:15,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (1/1) ... [2023-12-15 22:48:15,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:48:15,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:15,766 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) [2023-12-15 22:48:15,771 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 [2023-12-15 22:48:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-15 22:48:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-15 22:48:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-15 22:48:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-15 22:48:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-15 22:48:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-15 22:48:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-15 22:48:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-15 22:48:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-15 22:48:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-15 22:48:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-15 22:48:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-15 22:48:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-15 22:48:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-15 22:48:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-15 22:48:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-15 22:48:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-15 22:48:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-15 22:48:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-15 22:48:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-15 22:48:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-15 22:48:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-15 22:48:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-15 22:48:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-15 22:48:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-15 22:48:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-15 22:48:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:48:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-15 22:48:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-15 22:48:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-15 22:48:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-15 22:48:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-15 22:48:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-15 22:48:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-15 22:48:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-15 22:48:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-15 22:48:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-15 22:48:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-15 22:48:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-15 22:48:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-15 22:48:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-15 22:48:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-15 22:48:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-15 22:48:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:48:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 22:48:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 22:48:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-15 22:48:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-15 22:48:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-15 22:48:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-15 22:48:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-15 22:48:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:48:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:48:15,935 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:48:15,936 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:48:16,558 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:48:16,613 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:48:16,613 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 22:48:16,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:48:16 BoogieIcfgContainer [2023-12-15 22:48:16,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:48:16,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:48:16,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:48:16,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:48:16,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:48:14" (1/3) ... [2023-12-15 22:48:16,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b400aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:48:16, skipping insertion in model container [2023-12-15 22:48:16,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:15" (2/3) ... [2023-12-15 22:48:16,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b400aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:48:16, skipping insertion in model container [2023-12-15 22:48:16,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:48:16" (3/3) ... [2023-12-15 22:48:16,620 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2023-12-15 22:48:16,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:48:16,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:48:16,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:48:16,686 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;@405d062e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:48:16,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:48:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 291 states have (on average 1.6185567010309279) internal successors, (471), 294 states have internal predecessors, (471), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-15 22:48:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 22:48:16,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:16,712 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:16,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:16,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:16,716 INFO L85 PathProgramCache]: Analyzing trace with hash -826176283, now seen corresponding path program 1 times [2023-12-15 22:48:16,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:16,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521197867] [2023-12-15 22:48:16,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:16,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:48:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:48:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:48:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-15 22:48:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-15 22:48:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:48:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:48:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:48:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 22:48:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:48:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-15 22:48:17,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:17,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521197867] [2023-12-15 22:48:17,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521197867] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:17,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192190178] [2023-12-15 22:48:17,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:17,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:17,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:17,271 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) [2023-12-15 22:48:17,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:48:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:17,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 22:48:17,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:48:17,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:17,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192190178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:17,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:17,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-15 22:48:17,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037824351] [2023-12-15 22:48:17,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:17,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:48:17,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:17,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:48:17,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:48:17,593 INFO L87 Difference]: Start difference. First operand has 376 states, 291 states have (on average 1.6185567010309279) internal successors, (471), 294 states have internal predecessors, (471), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:17,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:17,670 INFO L93 Difference]: Finished difference Result 564 states and 874 transitions. [2023-12-15 22:48:17,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:48:17,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 95 [2023-12-15 22:48:17,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:17,682 INFO L225 Difference]: With dead ends: 564 [2023-12-15 22:48:17,682 INFO L226 Difference]: Without dead ends: 373 [2023-12-15 22:48:17,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:48:17,689 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:17,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 568 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:48:17,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-12-15 22:48:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-12-15 22:48:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 289 states have (on average 1.6055363321799307) internal successors, (464), 291 states have internal predecessors, (464), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-15 22:48:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 583 transitions. [2023-12-15 22:48:17,751 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 583 transitions. Word has length 95 [2023-12-15 22:48:17,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:17,752 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 583 transitions. [2023-12-15 22:48:17,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 583 transitions. [2023-12-15 22:48:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 22:48:17,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:17,763 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:17,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 22:48:17,968 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 [2023-12-15 22:48:17,968 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:17,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:17,969 INFO L85 PathProgramCache]: Analyzing trace with hash -455101672, now seen corresponding path program 1 times [2023-12-15 22:48:17,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:17,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267828273] [2023-12-15 22:48:17,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:17,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:48:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:48:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:48:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 22:48:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-15 22:48:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:48:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:48:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:48:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:48:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:48:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-15 22:48:18,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:18,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267828273] [2023-12-15 22:48:18,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267828273] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:18,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133297106] [2023-12-15 22:48:18,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:18,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:18,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:18,219 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) [2023-12-15 22:48:18,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 22:48:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 22:48:18,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:48:18,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:18,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133297106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:18,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:18,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-15 22:48:18,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399771083] [2023-12-15 22:48:18,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:18,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:48:18,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:18,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:48:18,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:48:18,505 INFO L87 Difference]: Start difference. First operand 373 states and 583 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:18,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:18,575 INFO L93 Difference]: Finished difference Result 560 states and 858 transitions. [2023-12-15 22:48:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:48:18,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2023-12-15 22:48:18,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:18,578 INFO L225 Difference]: With dead ends: 560 [2023-12-15 22:48:18,578 INFO L226 Difference]: Without dead ends: 375 [2023-12-15 22:48:18,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:48:18,581 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 0 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:18,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1129 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:48:18,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-12-15 22:48:18,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2023-12-15 22:48:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 291 states have (on average 1.6013745704467355) internal successors, (466), 293 states have internal predecessors, (466), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-15 22:48:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 585 transitions. [2023-12-15 22:48:18,601 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 585 transitions. Word has length 96 [2023-12-15 22:48:18,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:18,601 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 585 transitions. [2023-12-15 22:48:18,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 585 transitions. [2023-12-15 22:48:18,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-15 22:48:18,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:18,604 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:18,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-15 22:48:18,810 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 [2023-12-15 22:48:18,811 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:18,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:18,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1705677473, now seen corresponding path program 1 times [2023-12-15 22:48:18,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:18,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710127578] [2023-12-15 22:48:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:18,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:48:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:48:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:48:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 22:48:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:48:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:48:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:48:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:48:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:48:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:48:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:48:18,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:18,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710127578] [2023-12-15 22:48:18,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710127578] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:18,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279008527] [2023-12-15 22:48:18,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:18,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:18,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:18,994 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) [2023-12-15 22:48:19,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 22:48:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 22:48:19,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:48:19,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:19,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279008527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:19,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:19,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-15 22:48:19,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82200201] [2023-12-15 22:48:19,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:19,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:48:19,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:19,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:48:19,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:48:19,246 INFO L87 Difference]: Start difference. First operand 375 states and 585 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:19,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:19,321 INFO L93 Difference]: Finished difference Result 802 states and 1269 transitions. [2023-12-15 22:48:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:48:19,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 103 [2023-12-15 22:48:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:19,324 INFO L225 Difference]: With dead ends: 802 [2023-12-15 22:48:19,324 INFO L226 Difference]: Without dead ends: 449 [2023-12-15 22:48:19,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:48:19,325 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 136 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:19,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1094 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:48:19,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-12-15 22:48:19,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 444. [2023-12-15 22:48:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 346 states have (on average 1.6184971098265897) internal successors, (560), 348 states have internal predecessors, (560), 74 states have call successors, (74), 23 states have call predecessors, (74), 23 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-12-15 22:48:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 707 transitions. [2023-12-15 22:48:19,341 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 707 transitions. Word has length 103 [2023-12-15 22:48:19,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:19,341 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 707 transitions. [2023-12-15 22:48:19,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 707 transitions. [2023-12-15 22:48:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-15 22:48:19,344 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:19,344 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:19,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 22:48:19,550 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 [2023-12-15 22:48:19,551 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:19,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:19,551 INFO L85 PathProgramCache]: Analyzing trace with hash -385457840, now seen corresponding path program 1 times [2023-12-15 22:48:19,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:19,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354619669] [2023-12-15 22:48:19,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:19,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:48:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:48:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:48:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-15 22:48:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:48:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:48:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:48:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:48:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:48:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:48:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:48:19,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:19,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354619669] [2023-12-15 22:48:19,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354619669] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:19,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049365862] [2023-12-15 22:48:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:19,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:19,674 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) [2023-12-15 22:48:19,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 22:48:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:19,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 22:48:19,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-15 22:48:19,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:19,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049365862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:19,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:19,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-15 22:48:19,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892586197] [2023-12-15 22:48:19,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:19,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:48:19,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:19,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:48:19,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:48:19,939 INFO L87 Difference]: Start difference. First operand 444 states and 707 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-15 22:48:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:20,015 INFO L93 Difference]: Finished difference Result 883 states and 1408 transitions. [2023-12-15 22:48:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:48:20,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 104 [2023-12-15 22:48:20,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:20,017 INFO L225 Difference]: With dead ends: 883 [2023-12-15 22:48:20,017 INFO L226 Difference]: Without dead ends: 446 [2023-12-15 22:48:20,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:20,019 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 8 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:20,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2213 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:48:20,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2023-12-15 22:48:20,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2023-12-15 22:48:20,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 347 states have (on average 1.61671469740634) internal successors, (561), 350 states have internal predecessors, (561), 74 states have call successors, (74), 23 states have call predecessors, (74), 24 states have return successors, (75), 72 states have call predecessors, (75), 73 states have call successors, (75) [2023-12-15 22:48:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 710 transitions. [2023-12-15 22:48:20,040 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 710 transitions. Word has length 104 [2023-12-15 22:48:20,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:20,041 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 710 transitions. [2023-12-15 22:48:20,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-15 22:48:20,041 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 710 transitions. [2023-12-15 22:48:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-15 22:48:20,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:20,044 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-12-15 22:48:20,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 22:48:20,250 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 [2023-12-15 22:48:20,250 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:20,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:20,251 INFO L85 PathProgramCache]: Analyzing trace with hash 565022539, now seen corresponding path program 1 times [2023-12-15 22:48:20,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:20,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377572795] [2023-12-15 22:48:20,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:20,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-15 22:48:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-15 22:48:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-15 22:48:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:48:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:48:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:48:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:48:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:48:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:48:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:48:20,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:20,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377572795] [2023-12-15 22:48:20,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377572795] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:20,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469584562] [2023-12-15 22:48:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:20,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:20,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:20,431 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) [2023-12-15 22:48:20,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 22:48:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:20,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 22:48:20,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-15 22:48:20,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:20,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469584562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:20,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:20,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-15 22:48:20,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189141834] [2023-12-15 22:48:20,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:20,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:48:20,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:20,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:48:20,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:48:20,700 INFO L87 Difference]: Start difference. First operand 446 states and 710 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-15 22:48:20,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:20,785 INFO L93 Difference]: Finished difference Result 885 states and 1413 transitions. [2023-12-15 22:48:20,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:48:20,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 105 [2023-12-15 22:48:20,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:20,787 INFO L225 Difference]: With dead ends: 885 [2023-12-15 22:48:20,787 INFO L226 Difference]: Without dead ends: 448 [2023-12-15 22:48:20,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-15 22:48:20,789 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 8 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2199 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:20,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2199 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:48:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2023-12-15 22:48:20,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2023-12-15 22:48:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 348 states have (on average 1.6149425287356323) internal successors, (562), 352 states have internal predecessors, (562), 74 states have call successors, (74), 23 states have call predecessors, (74), 25 states have return successors, (80), 72 states have call predecessors, (80), 73 states have call successors, (80) [2023-12-15 22:48:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 716 transitions. [2023-12-15 22:48:20,801 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 716 transitions. Word has length 105 [2023-12-15 22:48:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:20,801 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 716 transitions. [2023-12-15 22:48:20,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-15 22:48:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 716 transitions. [2023-12-15 22:48:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-15 22:48:20,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:20,803 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:48:20,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 22:48:21,009 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 [2023-12-15 22:48:21,010 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:21,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:21,010 INFO L85 PathProgramCache]: Analyzing trace with hash 485132098, now seen corresponding path program 1 times [2023-12-15 22:48:21,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:21,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921862581] [2023-12-15 22:48:21,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-15 22:48:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 22:48:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-15 22:48:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:48:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:48:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:48:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:48:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:48:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:48:21,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:21,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921862581] [2023-12-15 22:48:21,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921862581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:21,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:21,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:48:21,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224047148] [2023-12-15 22:48:21,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:21,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:48:21,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:21,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:48:21,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:48:21,135 INFO L87 Difference]: Start difference. First operand 448 states and 716 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-15 22:48:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:23,125 INFO L93 Difference]: Finished difference Result 1058 states and 1728 transitions. [2023-12-15 22:48:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:48:23,125 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 106 [2023-12-15 22:48:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:23,129 INFO L225 Difference]: With dead ends: 1058 [2023-12-15 22:48:23,129 INFO L226 Difference]: Without dead ends: 629 [2023-12-15 22:48:23,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:48:23,132 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1304 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3120 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 3120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:23,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 1242 Invalid, 3544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 3120 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-15 22:48:23,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-12-15 22:48:23,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 448. [2023-12-15 22:48:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 348 states have (on average 1.6149425287356323) internal successors, (562), 352 states have internal predecessors, (562), 74 states have call successors, (74), 23 states have call predecessors, (74), 25 states have return successors, (79), 72 states have call predecessors, (79), 73 states have call successors, (79) [2023-12-15 22:48:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 715 transitions. [2023-12-15 22:48:23,166 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 715 transitions. Word has length 106 [2023-12-15 22:48:23,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:23,167 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 715 transitions. [2023-12-15 22:48:23,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-15 22:48:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 715 transitions. [2023-12-15 22:48:23,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-15 22:48:23,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:23,168 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:48:23,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:48:23,168 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:23,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:23,169 INFO L85 PathProgramCache]: Analyzing trace with hash -767799265, now seen corresponding path program 2 times [2023-12-15 22:48:23,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:23,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245022325] [2023-12-15 22:48:23,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:23,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-15 22:48:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-15 22:48:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 22:48:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:48:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:48:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:48:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:48:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:48:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:48:23,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:23,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245022325] [2023-12-15 22:48:23,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245022325] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:23,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:23,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:48:23,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684511430] [2023-12-15 22:48:23,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:23,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:48:23,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:23,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:48:23,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:48:23,302 INFO L87 Difference]: Start difference. First operand 448 states and 715 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-15 22:48:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:25,210 INFO L93 Difference]: Finished difference Result 1060 states and 1731 transitions. [2023-12-15 22:48:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:48:25,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 107 [2023-12-15 22:48:25,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:25,213 INFO L225 Difference]: With dead ends: 1060 [2023-12-15 22:48:25,213 INFO L226 Difference]: Without dead ends: 631 [2023-12-15 22:48:25,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:48:25,215 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1304 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3073 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 3509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 3073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:25,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 1240 Invalid, 3509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 3073 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-15 22:48:25,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2023-12-15 22:48:25,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2023-12-15 22:48:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 349 states have (on average 1.6131805157593124) internal successors, (563), 354 states have internal predecessors, (563), 74 states have call successors, (74), 23 states have call predecessors, (74), 26 states have return successors, (81), 72 states have call predecessors, (81), 73 states have call successors, (81) [2023-12-15 22:48:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 718 transitions. [2023-12-15 22:48:25,256 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 718 transitions. Word has length 107 [2023-12-15 22:48:25,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:25,257 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 718 transitions. [2023-12-15 22:48:25,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-15 22:48:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 718 transitions. [2023-12-15 22:48:25,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-15 22:48:25,258 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:25,258 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:48:25,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 22:48:25,258 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:25,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:25,258 INFO L85 PathProgramCache]: Analyzing trace with hash 295142845, now seen corresponding path program 1 times [2023-12-15 22:48:25,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:25,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909664610] [2023-12-15 22:48:25,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:25,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:48:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-15 22:48:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:48:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:48:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:48:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-15 22:48:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-15 22:48:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:48:25,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:25,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909664610] [2023-12-15 22:48:25,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909664610] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:25,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:25,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 22:48:25,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47963192] [2023-12-15 22:48:25,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:25,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:48:25,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:25,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:48:25,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:48:25,410 INFO L87 Difference]: Start difference. First operand 450 states and 718 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-15 22:48:27,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:27,908 INFO L93 Difference]: Finished difference Result 1058 states and 1726 transitions. [2023-12-15 22:48:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:48:27,909 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 108 [2023-12-15 22:48:27,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:27,912 INFO L225 Difference]: With dead ends: 1058 [2023-12-15 22:48:27,912 INFO L226 Difference]: Without dead ends: 631 [2023-12-15 22:48:27,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:48:27,914 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1308 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5121 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 5566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 5121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:27,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 1719 Invalid, 5566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 5121 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-15 22:48:27,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2023-12-15 22:48:27,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2023-12-15 22:48:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 349 states have (on average 1.6131805157593124) internal successors, (563), 354 states have internal predecessors, (563), 74 states have call successors, (74), 23 states have call predecessors, (74), 26 states have return successors, (80), 72 states have call predecessors, (80), 73 states have call successors, (80) [2023-12-15 22:48:27,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 717 transitions. [2023-12-15 22:48:27,933 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 717 transitions. Word has length 108 [2023-12-15 22:48:27,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:27,933 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 717 transitions. [2023-12-15 22:48:27,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-15 22:48:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 717 transitions. [2023-12-15 22:48:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-15 22:48:27,935 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:27,935 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:48:27,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 22:48:27,935 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:27,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1015893594, now seen corresponding path program 2 times [2023-12-15 22:48:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:27,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233506760] [2023-12-15 22:48:27,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:27,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:48:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:48:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:48:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:48:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:48:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-15 22:48:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:48:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:48:28,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:28,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233506760] [2023-12-15 22:48:28,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233506760] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:28,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:28,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 22:48:28,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285541590] [2023-12-15 22:48:28,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:28,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:48:28,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:28,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:48:28,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:48:28,121 INFO L87 Difference]: Start difference. First operand 450 states and 717 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-15 22:48:30,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:30,631 INFO L93 Difference]: Finished difference Result 1060 states and 1732 transitions. [2023-12-15 22:48:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:48:30,632 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 109 [2023-12-15 22:48:30,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:30,635 INFO L225 Difference]: With dead ends: 1060 [2023-12-15 22:48:30,635 INFO L226 Difference]: Without dead ends: 633 [2023-12-15 22:48:30,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:48:30,637 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1305 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5133 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 5564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 5133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:30,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 1718 Invalid, 5564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 5133 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-15 22:48:30,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2023-12-15 22:48:30,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 452. [2023-12-15 22:48:30,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 350 states have (on average 1.6114285714285714) internal successors, (564), 356 states have internal predecessors, (564), 74 states have call successors, (74), 23 states have call predecessors, (74), 27 states have return successors, (85), 72 states have call predecessors, (85), 73 states have call successors, (85) [2023-12-15 22:48:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 723 transitions. [2023-12-15 22:48:30,657 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 723 transitions. Word has length 109 [2023-12-15 22:48:30,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:30,657 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 723 transitions. [2023-12-15 22:48:30,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-15 22:48:30,657 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 723 transitions. [2023-12-15 22:48:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-15 22:48:30,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:30,659 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:48:30,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 22:48:30,659 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:30,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:30,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1934459784, now seen corresponding path program 1 times [2023-12-15 22:48:30,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:30,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894317905] [2023-12-15 22:48:30,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:30,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:48:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 22:48:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:48:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:48:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:48:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:48:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:48:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-15 22:48:30,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:30,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894317905] [2023-12-15 22:48:30,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894317905] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:30,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547259193] [2023-12-15 22:48:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:30,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:30,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:30,812 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) [2023-12-15 22:48:30,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 22:48:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:31,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 22:48:31,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:31,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:48:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:31,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547259193] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:48:31,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:48:31,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-15 22:48:31,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187243605] [2023-12-15 22:48:31,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:48:31,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-15 22:48:31,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:31,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-15 22:48:31,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:48:31,135 INFO L87 Difference]: Start difference. First operand 452 states and 723 transitions. Second operand has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-15 22:48:33,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:33,866 INFO L93 Difference]: Finished difference Result 1499 states and 2543 transitions. [2023-12-15 22:48:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-15 22:48:33,866 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 110 [2023-12-15 22:48:33,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:33,871 INFO L225 Difference]: With dead ends: 1499 [2023-12-15 22:48:33,871 INFO L226 Difference]: Without dead ends: 1073 [2023-12-15 22:48:33,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-15 22:48:33,873 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 2609 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 5477 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 6309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 5477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:33,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 1982 Invalid, 6309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [832 Valid, 5477 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-15 22:48:33,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2023-12-15 22:48:33,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 877. [2023-12-15 22:48:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 696 states have (on average 1.6551724137931034) internal successors, (1152), 702 states have internal predecessors, (1152), 153 states have call successors, (153), 23 states have call predecessors, (153), 27 states have return successors, (174), 151 states have call predecessors, (174), 152 states have call successors, (174) [2023-12-15 22:48:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1479 transitions. [2023-12-15 22:48:33,919 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1479 transitions. Word has length 110 [2023-12-15 22:48:33,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:33,919 INFO L495 AbstractCegarLoop]: Abstraction has 877 states and 1479 transitions. [2023-12-15 22:48:33,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-15 22:48:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1479 transitions. [2023-12-15 22:48:33,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-15 22:48:33,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:33,922 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:33,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 22:48:34,129 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 [2023-12-15 22:48:34,130 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:34,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:34,130 INFO L85 PathProgramCache]: Analyzing trace with hash -171403862, now seen corresponding path program 1 times [2023-12-15 22:48:34,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:34,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280767113] [2023-12-15 22:48:34,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:34,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:48:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:48:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:48:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:48:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-15 22:48:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:48:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-15 22:48:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:34,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:34,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280767113] [2023-12-15 22:48:34,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280767113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:34,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:34,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:34,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376879499] [2023-12-15 22:48:34,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:34,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:34,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:34,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:34,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:34,211 INFO L87 Difference]: Start difference. First operand 877 states and 1479 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:35,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:35,621 INFO L93 Difference]: Finished difference Result 2274 states and 3932 transitions. [2023-12-15 22:48:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:35,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2023-12-15 22:48:35,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:35,627 INFO L225 Difference]: With dead ends: 2274 [2023-12-15 22:48:35,627 INFO L226 Difference]: Without dead ends: 1465 [2023-12-15 22:48:35,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:35,630 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 1429 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 2268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:35,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 929 Invalid, 2268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:48:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2023-12-15 22:48:35,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1279. [2023-12-15 22:48:35,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1019 states have (on average 1.6673209028459275) internal successors, (1699), 1025 states have internal predecessors, (1699), 232 states have call successors, (232), 23 states have call predecessors, (232), 27 states have return successors, (263), 230 states have call predecessors, (263), 231 states have call successors, (263) [2023-12-15 22:48:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 2194 transitions. [2023-12-15 22:48:35,695 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 2194 transitions. Word has length 114 [2023-12-15 22:48:35,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:35,695 INFO L495 AbstractCegarLoop]: Abstraction has 1279 states and 2194 transitions. [2023-12-15 22:48:35,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2194 transitions. [2023-12-15 22:48:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-15 22:48:35,699 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:35,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:35,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 22:48:35,700 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:35,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:35,700 INFO L85 PathProgramCache]: Analyzing trace with hash 358756712, now seen corresponding path program 1 times [2023-12-15 22:48:35,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:35,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994882797] [2023-12-15 22:48:35,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:35,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 22:48:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:48:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:48:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:48:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-15 22:48:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-15 22:48:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:48:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:35,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:35,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994882797] [2023-12-15 22:48:35,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994882797] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:35,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:35,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:35,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392600045] [2023-12-15 22:48:35,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:35,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:35,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:35,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:35,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:35,770 INFO L87 Difference]: Start difference. First operand 1279 states and 2194 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:37,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:37,176 INFO L93 Difference]: Finished difference Result 3277 states and 5709 transitions. [2023-12-15 22:48:37,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:37,176 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2023-12-15 22:48:37,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:37,184 INFO L225 Difference]: With dead ends: 3277 [2023-12-15 22:48:37,184 INFO L226 Difference]: Without dead ends: 2116 [2023-12-15 22:48:37,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:37,187 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1429 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:37,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 914 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:48:37,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2023-12-15 22:48:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 1930. [2023-12-15 22:48:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1551 states have (on average 1.6731141199226305) internal successors, (2595), 1557 states have internal predecessors, (2595), 351 states have call successors, (351), 23 states have call predecessors, (351), 27 states have return successors, (382), 349 states have call predecessors, (382), 350 states have call successors, (382) [2023-12-15 22:48:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 3328 transitions. [2023-12-15 22:48:37,253 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 3328 transitions. Word has length 115 [2023-12-15 22:48:37,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:37,253 INFO L495 AbstractCegarLoop]: Abstraction has 1930 states and 3328 transitions. [2023-12-15 22:48:37,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 3328 transitions. [2023-12-15 22:48:37,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-15 22:48:37,260 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:37,260 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-15 22:48:37,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 22:48:37,260 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:37,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:37,261 INFO L85 PathProgramCache]: Analyzing trace with hash -265033892, now seen corresponding path program 1 times [2023-12-15 22:48:37,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:37,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015899237] [2023-12-15 22:48:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:37,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:48:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:48:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:48:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:48:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:48:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:48:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:48:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:37,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:37,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015899237] [2023-12-15 22:48:37,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015899237] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:37,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:37,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:37,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587448985] [2023-12-15 22:48:37,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:37,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:37,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:37,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:37,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:37,339 INFO L87 Difference]: Start difference. First operand 1930 states and 3328 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:38,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:38,736 INFO L93 Difference]: Finished difference Result 4801 states and 8427 transitions. [2023-12-15 22:48:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:38,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2023-12-15 22:48:38,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:38,748 INFO L225 Difference]: With dead ends: 4801 [2023-12-15 22:48:38,748 INFO L226 Difference]: Without dead ends: 3117 [2023-12-15 22:48:38,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:38,753 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1425 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:38,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 909 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:48:38,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2023-12-15 22:48:38,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 2931. [2023-12-15 22:48:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2390 states have (on average 1.6782426778242678) internal successors, (4011), 2396 states have internal predecessors, (4011), 513 states have call successors, (513), 23 states have call predecessors, (513), 27 states have return successors, (560), 511 states have call predecessors, (560), 512 states have call successors, (560) [2023-12-15 22:48:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 5084 transitions. [2023-12-15 22:48:38,841 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 5084 transitions. Word has length 116 [2023-12-15 22:48:38,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:38,841 INFO L495 AbstractCegarLoop]: Abstraction has 2931 states and 5084 transitions. [2023-12-15 22:48:38,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 5084 transitions. [2023-12-15 22:48:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-15 22:48:38,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:38,849 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-15 22:48:38,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 22:48:38,849 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:38,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:38,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1531116121, now seen corresponding path program 1 times [2023-12-15 22:48:38,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:38,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259517126] [2023-12-15 22:48:38,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:38,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:48:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:48:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:48:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:48:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:48:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:48:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:48:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:38,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:38,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259517126] [2023-12-15 22:48:38,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259517126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:38,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:38,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:38,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785726052] [2023-12-15 22:48:38,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:38,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:38,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:38,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:38,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:38,930 INFO L87 Difference]: Start difference. First operand 2931 states and 5084 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:40,411 INFO L93 Difference]: Finished difference Result 7213 states and 12740 transitions. [2023-12-15 22:48:40,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:40,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2023-12-15 22:48:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:40,429 INFO L225 Difference]: With dead ends: 7213 [2023-12-15 22:48:40,429 INFO L226 Difference]: Without dead ends: 4737 [2023-12-15 22:48:40,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:40,437 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1420 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:40,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 909 Invalid, 2261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:48:40,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4737 states. [2023-12-15 22:48:40,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4737 to 4551. [2023-12-15 22:48:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4551 states, 3765 states have (on average 1.6820717131474103) internal successors, (6333), 3771 states have internal predecessors, (6333), 758 states have call successors, (758), 23 states have call predecessors, (758), 27 states have return successors, (831), 756 states have call predecessors, (831), 757 states have call successors, (831) [2023-12-15 22:48:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 7922 transitions. [2023-12-15 22:48:40,590 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 7922 transitions. Word has length 117 [2023-12-15 22:48:40,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:40,590 INFO L495 AbstractCegarLoop]: Abstraction has 4551 states and 7922 transitions. [2023-12-15 22:48:40,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 7922 transitions. [2023-12-15 22:48:40,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-15 22:48:40,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:40,601 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-15 22:48:40,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 22:48:40,601 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:40,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:40,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1539886880, now seen corresponding path program 1 times [2023-12-15 22:48:40,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:40,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263136875] [2023-12-15 22:48:40,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:40,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:48:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:48:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:48:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:48:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:48:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:48:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-15 22:48:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:40,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:40,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263136875] [2023-12-15 22:48:40,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263136875] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:40,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:40,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:40,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53890639] [2023-12-15 22:48:40,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:40,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:40,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:40,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:40,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:40,678 INFO L87 Difference]: Start difference. First operand 4551 states and 7922 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:42,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:42,241 INFO L93 Difference]: Finished difference Result 11290 states and 19993 transitions. [2023-12-15 22:48:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:42,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2023-12-15 22:48:42,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:42,278 INFO L225 Difference]: With dead ends: 11290 [2023-12-15 22:48:42,278 INFO L226 Difference]: Without dead ends: 7497 [2023-12-15 22:48:42,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:42,289 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1421 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1806 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 1806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:42,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 944 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 1806 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:48:42,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7497 states. [2023-12-15 22:48:42,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7497 to 7311. [2023-12-15 22:48:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7311 states, 6032 states have (on average 1.675895225464191) internal successors, (10109), 6038 states have internal predecessors, (10109), 1251 states have call successors, (1251), 23 states have call predecessors, (1251), 27 states have return successors, (1368), 1249 states have call predecessors, (1368), 1250 states have call successors, (1368) [2023-12-15 22:48:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7311 states to 7311 states and 12728 transitions. [2023-12-15 22:48:42,536 INFO L78 Accepts]: Start accepts. Automaton has 7311 states and 12728 transitions. Word has length 118 [2023-12-15 22:48:42,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:42,536 INFO L495 AbstractCegarLoop]: Abstraction has 7311 states and 12728 transitions. [2023-12-15 22:48:42,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 7311 states and 12728 transitions. [2023-12-15 22:48:42,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 22:48:42,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:42,550 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-15 22:48:42,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 22:48:42,550 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:42,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:42,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1538636259, now seen corresponding path program 1 times [2023-12-15 22:48:42,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:42,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287409285] [2023-12-15 22:48:42,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:42,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:48:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:48:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 22:48:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:48:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:48:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 22:48:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:48:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:42,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:42,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287409285] [2023-12-15 22:48:42,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287409285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:42,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:42,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:42,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189820522] [2023-12-15 22:48:42,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:42,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:42,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:42,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:42,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:42,615 INFO L87 Difference]: Start difference. First operand 7311 states and 12728 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:44,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:44,104 INFO L93 Difference]: Finished difference Result 18649 states and 33013 transitions. [2023-12-15 22:48:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:44,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2023-12-15 22:48:44,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:44,139 INFO L225 Difference]: With dead ends: 18649 [2023-12-15 22:48:44,139 INFO L226 Difference]: Without dead ends: 12482 [2023-12-15 22:48:44,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:44,156 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1421 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:44,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 925 Invalid, 2271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1757 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:48:44,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2023-12-15 22:48:44,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 12296. [2023-12-15 22:48:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12296 states, 10195 states have (on average 1.6756253065228053) internal successors, (17083), 10201 states have internal predecessors, (17083), 2073 states have call successors, (2073), 23 states have call predecessors, (2073), 27 states have return successors, (2268), 2071 states have call predecessors, (2268), 2072 states have call successors, (2268) [2023-12-15 22:48:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12296 states to 12296 states and 21424 transitions. [2023-12-15 22:48:44,573 INFO L78 Accepts]: Start accepts. Automaton has 12296 states and 21424 transitions. Word has length 119 [2023-12-15 22:48:44,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:44,573 INFO L495 AbstractCegarLoop]: Abstraction has 12296 states and 21424 transitions. [2023-12-15 22:48:44,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 12296 states and 21424 transitions. [2023-12-15 22:48:44,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-15 22:48:44,594 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:44,594 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:44,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 22:48:44,594 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:44,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:44,595 INFO L85 PathProgramCache]: Analyzing trace with hash -613627278, now seen corresponding path program 1 times [2023-12-15 22:48:44,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:44,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085342569] [2023-12-15 22:48:44,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:44,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:48:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:48:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 22:48:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:48:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:48:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:48:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-15 22:48:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:44,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:44,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085342569] [2023-12-15 22:48:44,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085342569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:44,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:44,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:44,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771630108] [2023-12-15 22:48:44,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:44,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:44,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:44,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:44,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:44,723 INFO L87 Difference]: Start difference. First operand 12296 states and 21424 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:46,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:46,395 INFO L93 Difference]: Finished difference Result 29615 states and 52196 transitions. [2023-12-15 22:48:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:46,395 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2023-12-15 22:48:46,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:46,453 INFO L225 Difference]: With dead ends: 29615 [2023-12-15 22:48:46,454 INFO L226 Difference]: Without dead ends: 19442 [2023-12-15 22:48:46,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:46,479 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1415 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:46,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 895 Invalid, 2266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:48:46,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19442 states. [2023-12-15 22:48:47,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19442 to 19256. [2023-12-15 22:48:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19256 states, 15952 states have (on average 1.6534603811434303) internal successors, (26376), 15958 states have internal predecessors, (26376), 3276 states have call successors, (3276), 23 states have call predecessors, (3276), 27 states have return successors, (3615), 3274 states have call predecessors, (3615), 3275 states have call successors, (3615) [2023-12-15 22:48:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19256 states to 19256 states and 33267 transitions. [2023-12-15 22:48:47,090 INFO L78 Accepts]: Start accepts. Automaton has 19256 states and 33267 transitions. Word has length 120 [2023-12-15 22:48:47,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:47,090 INFO L495 AbstractCegarLoop]: Abstraction has 19256 states and 33267 transitions. [2023-12-15 22:48:47,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:47,090 INFO L276 IsEmpty]: Start isEmpty. Operand 19256 states and 33267 transitions. [2023-12-15 22:48:47,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-15 22:48:47,120 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:47,120 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:47,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 22:48:47,121 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:47,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:47,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1200449278, now seen corresponding path program 1 times [2023-12-15 22:48:47,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:47,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902139198] [2023-12-15 22:48:47,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:47,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:48:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:48:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:48:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:48:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-15 22:48:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-15 22:48:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 22:48:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:47,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902139198] [2023-12-15 22:48:47,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902139198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:47,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:47,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:47,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774413639] [2023-12-15 22:48:47,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:47,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:47,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:47,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:47,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:47,201 INFO L87 Difference]: Start difference. First operand 19256 states and 33267 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:49,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:49,246 INFO L93 Difference]: Finished difference Result 51056 states and 89729 transitions. [2023-12-15 22:48:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:49,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2023-12-15 22:48:49,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:49,361 INFO L225 Difference]: With dead ends: 51056 [2023-12-15 22:48:49,361 INFO L226 Difference]: Without dead ends: 34571 [2023-12-15 22:48:49,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:49,398 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1411 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:49,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 910 Invalid, 2267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:48:49,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34571 states. [2023-12-15 22:48:50,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34571 to 34385. [2023-12-15 22:48:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34385 states, 28631 states have (on average 1.6506933044602006) internal successors, (47261), 28637 states have internal predecessors, (47261), 5726 states have call successors, (5726), 23 states have call predecessors, (5726), 27 states have return successors, (6339), 5724 states have call predecessors, (6339), 5725 states have call successors, (6339) [2023-12-15 22:48:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34385 states to 34385 states and 59326 transitions. [2023-12-15 22:48:50,544 INFO L78 Accepts]: Start accepts. Automaton has 34385 states and 59326 transitions. Word has length 121 [2023-12-15 22:48:50,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:50,544 INFO L495 AbstractCegarLoop]: Abstraction has 34385 states and 59326 transitions. [2023-12-15 22:48:50,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 34385 states and 59326 transitions. [2023-12-15 22:48:50,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-15 22:48:50,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:50,572 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-15 22:48:50,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 22:48:50,573 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:50,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:50,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1193153000, now seen corresponding path program 1 times [2023-12-15 22:48:50,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:50,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977017351] [2023-12-15 22:48:50,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:50,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:48:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:48:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:48:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:48:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:48:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:48:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:48:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:50,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:50,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977017351] [2023-12-15 22:48:50,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977017351] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:50,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:50,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:50,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142843026] [2023-12-15 22:48:50,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:50,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:50,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:50,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:50,657 INFO L87 Difference]: Start difference. First operand 34385 states and 59326 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:53,217 INFO L93 Difference]: Finished difference Result 93938 states and 164323 transitions. [2023-12-15 22:48:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:53,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2023-12-15 22:48:53,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:53,418 INFO L225 Difference]: With dead ends: 93938 [2023-12-15 22:48:53,418 INFO L226 Difference]: Without dead ends: 63247 [2023-12-15 22:48:53,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:53,494 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1412 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 2264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:53,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 915 Invalid, 2264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:48:53,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63247 states. [2023-12-15 22:48:55,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63247 to 63061. [2023-12-15 22:48:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63061 states, 52794 states have (on average 1.6470242830624693) internal successors, (86953), 52800 states have internal predecessors, (86953), 10239 states have call successors, (10239), 23 states have call predecessors, (10239), 27 states have return successors, (11384), 10237 states have call predecessors, (11384), 10238 states have call successors, (11384) [2023-12-15 22:48:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63061 states to 63061 states and 108576 transitions. [2023-12-15 22:48:55,669 INFO L78 Accepts]: Start accepts. Automaton has 63061 states and 108576 transitions. Word has length 122 [2023-12-15 22:48:55,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:55,669 INFO L495 AbstractCegarLoop]: Abstraction has 63061 states and 108576 transitions. [2023-12-15 22:48:55,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 63061 states and 108576 transitions. [2023-12-15 22:48:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-15 22:48:55,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:55,694 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-15 22:48:55,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 22:48:55,694 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:55,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:55,694 INFO L85 PathProgramCache]: Analyzing trace with hash -793476766, now seen corresponding path program 1 times [2023-12-15 22:48:55,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:55,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212821968] [2023-12-15 22:48:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:55,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:48:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:48:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:48:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:48:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:48:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:48:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:48:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:48:55,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:55,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212821968] [2023-12-15 22:48:55,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212821968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:55,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:55,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:48:55,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749279758] [2023-12-15 22:48:55,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:55,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:48:55,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:55,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:48:55,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:48:55,757 INFO L87 Difference]: Start difference. First operand 63061 states and 108576 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:48:59,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:59,109 INFO L93 Difference]: Finished difference Result 118318 states and 207475 transitions. [2023-12-15 22:48:59,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:48:59,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2023-12-15 22:48:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:59,564 INFO L225 Difference]: With dead ends: 118318 [2023-12-15 22:48:59,565 INFO L226 Difference]: Without dead ends: 118133 [2023-12-15 22:48:59,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:59,603 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1407 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:59,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 910 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:48:59,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118133 states. [2023-12-15 22:49:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118133 to 117947. [2023-12-15 22:49:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117947 states, 99312 states have (on average 1.6423292250684711) internal successors, (163103), 99318 states have internal predecessors, (163103), 18607 states have call successors, (18607), 23 states have call predecessors, (18607), 27 states have return successors, (20798), 18605 states have call predecessors, (20798), 18606 states have call successors, (20798) [2023-12-15 22:49:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117947 states to 117947 states and 202508 transitions. [2023-12-15 22:49:03,554 INFO L78 Accepts]: Start accepts. Automaton has 117947 states and 202508 transitions. Word has length 123 [2023-12-15 22:49:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:03,554 INFO L495 AbstractCegarLoop]: Abstraction has 117947 states and 202508 transitions. [2023-12-15 22:49:03,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:49:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 117947 states and 202508 transitions. [2023-12-15 22:49:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-15 22:49:03,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:03,579 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:03,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 22:49:03,580 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:03,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash -725374343, now seen corresponding path program 1 times [2023-12-15 22:49:03,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:03,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134654895] [2023-12-15 22:49:03,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:03,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:49:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:49:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:49:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:49:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:49:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:49:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:49:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:03,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:03,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134654895] [2023-12-15 22:49:03,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134654895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:03,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:03,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 22:49:03,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656292534] [2023-12-15 22:49:03,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:03,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 22:49:03,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:03,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 22:49:03,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:49:03,707 INFO L87 Difference]: Start difference. First operand 117947 states and 202508 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:49:08,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:08,600 INFO L93 Difference]: Finished difference Result 118664 states and 206963 transitions. [2023-12-15 22:49:08,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-15 22:49:08,601 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2023-12-15 22:49:08,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:08,994 INFO L225 Difference]: With dead ends: 118664 [2023-12-15 22:49:08,994 INFO L226 Difference]: Without dead ends: 118486 [2023-12-15 22:49:09,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2023-12-15 22:49:09,034 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 2277 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 4789 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 5490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 4789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:09,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 1230 Invalid, 5490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [701 Valid, 4789 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-15 22:49:09,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118486 states. [2023-12-15 22:49:12,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118486 to 118127. [2023-12-15 22:49:12,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118127 states, 99448 states have (on average 1.6421546939103853) internal successors, (163309), 99455 states have internal predecessors, (163309), 18636 states have call successors, (18636), 36 states have call predecessors, (18636), 42 states have return successors, (20831), 18635 states have call predecessors, (20831), 18634 states have call successors, (20831) [2023-12-15 22:49:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118127 states to 118127 states and 202776 transitions. [2023-12-15 22:49:13,226 INFO L78 Accepts]: Start accepts. Automaton has 118127 states and 202776 transitions. Word has length 124 [2023-12-15 22:49:13,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:13,226 INFO L495 AbstractCegarLoop]: Abstraction has 118127 states and 202776 transitions. [2023-12-15 22:49:13,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-15 22:49:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 118127 states and 202776 transitions. [2023-12-15 22:49:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-15 22:49:13,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:13,252 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:13,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-15 22:49:13,252 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:13,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:13,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1082518003, now seen corresponding path program 1 times [2023-12-15 22:49:13,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:13,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902873965] [2023-12-15 22:49:13,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:13,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:49:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:49:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:49:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:49:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:49:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:49:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-15 22:49:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:13,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:13,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902873965] [2023-12-15 22:49:13,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902873965] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:13,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:13,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-15 22:49:13,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363960477] [2023-12-15 22:49:13,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:13,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-15 22:49:13,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:13,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-15 22:49:13,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2023-12-15 22:49:13,461 INFO L87 Difference]: Start difference. First operand 118127 states and 202776 transitions. Second operand has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 10 states have internal predecessors, (80), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Received shutdown request... [2023-12-15 22:49:13,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:49:13,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2023-12-15 22:49:13,713 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 98 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:13,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 429 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:49:13,714 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:49:13,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-15 22:49:13,715 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (118127states) and FLOYD_HOARE automaton (currently 5 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (63 states constructed, input type IntersectNwa). [2023-12-15 22:49:13,717 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:13,719 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:49:13,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:49:13 BoogieIcfgContainer [2023-12-15 22:49:13,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:49:13,720 INFO L158 Benchmark]: Toolchain (without parser) took 58764.38ms. Allocated memory was 178.3MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 138.9MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-12-15 22:49:13,720 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 178.3MB. Free memory was 135.2MB in the beginning and 135.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:49:13,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.65ms. Allocated memory is still 178.3MB. Free memory was 138.9MB in the beginning and 96.4MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-12-15 22:49:13,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.73ms. Allocated memory is still 178.3MB. Free memory was 96.4MB in the beginning and 90.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-15 22:49:13,721 INFO L158 Benchmark]: Boogie Preprocessor took 95.84ms. Allocated memory is still 178.3MB. Free memory was 90.1MB in the beginning and 82.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-15 22:49:13,721 INFO L158 Benchmark]: RCFGBuilder took 877.04ms. Allocated memory was 178.3MB in the beginning and 248.5MB in the end (delta: 70.3MB). Free memory was 82.2MB in the beginning and 151.9MB in the end (delta: -69.7MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB. [2023-12-15 22:49:13,721 INFO L158 Benchmark]: TraceAbstraction took 57104.22ms. Allocated memory was 248.5MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 150.8MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-12-15 22:49:13,722 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 178.3MB. Free memory was 135.2MB in the beginning and 135.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 594.65ms. Allocated memory is still 178.3MB. Free memory was 138.9MB in the beginning and 96.4MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 87.73ms. Allocated memory is still 178.3MB. Free memory was 96.4MB in the beginning and 90.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.84ms. Allocated memory is still 178.3MB. Free memory was 90.1MB in the beginning and 82.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 877.04ms. Allocated memory was 178.3MB in the beginning and 248.5MB in the end (delta: 70.3MB). Free memory was 82.2MB in the beginning and 151.9MB in the end (delta: -69.7MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB. * TraceAbstraction took 57104.22ms. Allocated memory was 248.5MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 150.8MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] - GenericResultAtLocation [Line: 57]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57] - GenericResultAtLocation [Line: 75]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [75] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [308] - GenericResultAtLocation [Line: 357]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [357] - GenericResultAtLocation [Line: 1437]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1437] - GenericResultAtLocation [Line: 1849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1849] - GenericResultAtLocation [Line: 1948]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1948] - GenericResultAtLocation [Line: 2314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2314] - GenericResultAtLocation [Line: 2619]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2619] - GenericResultAtLocation [Line: 2985]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2985] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 53). Cancelled while NwaCegarLoop was constructing difference of abstraction (118127states) and FLOYD_HOARE automaton (currently 5 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (63 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 376 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.1s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 37.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24794 SdHoareTripleChecker+Valid, 25.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24547 mSDsluCounter, 25923 SdHoareTripleChecker+Invalid, 21.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19899 mSDsCounter, 8336 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45190 IncrementalHoareTripleChecker+Invalid, 53526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8336 mSolverCounterUnsat, 6024 mSDtfsCounter, 45190 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1603 GetRequests, 1298 SyntacticMatches, 0 SemanticMatches, 305 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118127occurred in iteration=21, InterpolantAutomatonStates: 201, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 3144 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3090 NumberOfCodeBlocks, 3090 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3171 ConstructedInterpolants, 0 QuantifiedInterpolants, 5454 SizeOfPredicates, 8 NumberOfNonLiveVariables, 6033 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 29 InterpolantComputations, 21 PerfectInterpolantSequences, 962/988 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown