./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d732923830fb3a71ab6990fcf85b09499ea996afd0bf98e12e19d094dda2a9f7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 02:50:56,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 02:50:56,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 02:50:56,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 02:50:56,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 02:50:56,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 02:50:56,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 02:50:56,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 02:50:56,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 02:50:56,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 02:50:56,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 02:50:56,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 02:50:56,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 02:50:56,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 02:50:56,845 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 02:50:56,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 02:50:56,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 02:50:56,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 02:50:56,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 02:50:56,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 02:50:56,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 02:50:56,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 02:50:56,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 02:50:56,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 02:50:56,848 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 02:50:56,848 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 02:50:56,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 02:50:56,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 02:50:56,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 02:50:56,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 02:50:56,850 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 02:50:56,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 02:50:56,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:50:56,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 02:50:56,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 02:50:56,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 02:50:56,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 02:50:56,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 02:50:56,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 02:50:56,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 02:50:56,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 02:50:56,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 02:50:56,862 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d732923830fb3a71ab6990fcf85b09499ea996afd0bf98e12e19d094dda2a9f7 [2024-10-14 02:50:57,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 02:50:57,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 02:50:57,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 02:50:57,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 02:50:57,158 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 02:50:57,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2024-10-14 02:50:58,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 02:50:58,891 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 02:50:58,892 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2024-10-14 02:50:58,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c5b4e06/0258ea81b6774a2f8ca357183977e30a/FLAGf3d8916fb [2024-10-14 02:50:58,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c5b4e06/0258ea81b6774a2f8ca357183977e30a [2024-10-14 02:50:58,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 02:50:58,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 02:50:58,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 02:50:58,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 02:50:58,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 02:50:58,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:50:58" (1/1) ... [2024-10-14 02:50:58,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39111fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:58, skipping insertion in model container [2024-10-14 02:50:58,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:50:58" (1/1) ... [2024-10-14 02:50:59,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 02:50:59,405 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c[28349,28362] [2024-10-14 02:50:59,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:50:59,560 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 02:50:59,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-10-14 02:50:59,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [281] [2024-10-14 02:50:59,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [314] [2024-10-14 02:50:59,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] [2024-10-14 02:50:59,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [370] [2024-10-14 02:50:59,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [736] [2024-10-14 02:50:59,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1148] [2024-10-14 02:50:59,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1246] [2024-10-14 02:50:59,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1255] [2024-10-14 02:50:59,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1571] [2024-10-14 02:50:59,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1941] [2024-10-14 02:50:59,617 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c[28349,28362] [2024-10-14 02:50:59,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:50:59,712 INFO L204 MainTranslator]: Completed translation [2024-10-14 02:50:59,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59 WrapperNode [2024-10-14 02:50:59,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 02:50:59,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 02:50:59,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 02:50:59,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 02:50:59,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,855 INFO L138 Inliner]: procedures = 133, calls = 207, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1129 [2024-10-14 02:50:59,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 02:50:59,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 02:50:59,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 02:50:59,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 02:50:59,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,885 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,910 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]. [2024-10-14 02:50:59,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 02:50:59,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 02:50:59,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 02:50:59,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 02:50:59,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (1/1) ... [2024-10-14 02:50:59,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:50:59,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:00,013 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) [2024-10-14 02:51:00,015 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 [2024-10-14 02:51:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-14 02:51:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-14 02:51:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-14 02:51:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-14 02:51:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-14 02:51:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-14 02:51:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-14 02:51:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-14 02:51:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-14 02:51:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-14 02:51:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-14 02:51:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-14 02:51:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-14 02:51:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-14 02:51:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-14 02:51:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-14 02:51:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-14 02:51:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-14 02:51:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-14 02:51:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-14 02:51:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-10-14 02:51:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-10-14 02:51:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-14 02:51:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-14 02:51:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 02:51:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-14 02:51:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-14 02:51:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-14 02:51:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-14 02:51:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-14 02:51:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-14 02:51:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-14 02:51:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-14 02:51:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-14 02:51:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-14 02:51:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-14 02:51:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-14 02:51:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-14 02:51:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-14 02:51:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-14 02:51:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-14 02:51:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 02:51:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 02:51:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 02:51:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 02:51:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-14 02:51:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-14 02:51:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-14 02:51:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-14 02:51:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 02:51:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 02:51:00,307 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 02:51:00,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 02:51:01,370 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2024-10-14 02:51:01,370 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 02:51:01,434 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 02:51:01,435 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 02:51:01,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:01 BoogieIcfgContainer [2024-10-14 02:51:01,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 02:51:01,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 02:51:01,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 02:51:01,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 02:51:01,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:50:58" (1/3) ... [2024-10-14 02:51:01,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5d8e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:51:01, skipping insertion in model container [2024-10-14 02:51:01,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:59" (2/3) ... [2024-10-14 02:51:01,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5d8e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:51:01, skipping insertion in model container [2024-10-14 02:51:01,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:01" (3/3) ... [2024-10-14 02:51:01,446 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product27.cil.c [2024-10-14 02:51:01,466 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 02:51:01,467 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 02:51:01,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 02:51:01,556 INFO L333 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, 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;@62364d6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 02:51:01,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 02:51:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 287 states have (on average 1.6236933797909407) internal successors, (466), 290 states have internal predecessors, (466), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-14 02:51:01,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-14 02:51:01,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:01,592 INFO L215 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, 1, 1, 1] [2024-10-14 02:51:01,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:01,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:01,600 INFO L85 PathProgramCache]: Analyzing trace with hash 989101264, now seen corresponding path program 1 times [2024-10-14 02:51:01,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:01,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287422658] [2024-10-14 02:51:01,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:01,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:51:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:51:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:51:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 02:51:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 02:51:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:51:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:51:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:51:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:51:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 02:51:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:51:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 02:51:02,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:02,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287422658] [2024-10-14 02:51:02,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287422658] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:02,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781680910] [2024-10-14 02:51:02,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:02,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:02,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:02,344 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) [2024-10-14 02:51:02,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 02:51:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:02,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 02:51:02,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 02:51:02,750 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:02,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781680910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:02,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:02,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-14 02:51:02,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952957981] [2024-10-14 02:51:02,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:02,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 02:51:02,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:02,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 02:51:02,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:51:02,789 INFO L87 Difference]: Start difference. First operand has 369 states, 287 states have (on average 1.6236933797909407) internal successors, (466), 290 states have internal predecessors, (466), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:02,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:02,908 INFO L93 Difference]: Finished difference Result 550 states and 856 transitions. [2024-10-14 02:51:02,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 02:51:02,911 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 107 [2024-10-14 02:51:02,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:02,929 INFO L225 Difference]: With dead ends: 550 [2024-10-14 02:51:02,930 INFO L226 Difference]: Without dead ends: 366 [2024-10-14 02:51:02,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:51:02,939 INFO L432 NwaCegarLoop]: 559 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, 559 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 [2024-10-14 02:51:02,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 559 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:51:02,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-14 02:51:03,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-10-14 02:51:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 285 states have (on average 1.6105263157894736) internal successors, (459), 287 states have internal predecessors, (459), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-14 02:51:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 574 transitions. [2024-10-14 02:51:03,029 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 574 transitions. Word has length 107 [2024-10-14 02:51:03,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:03,031 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 574 transitions. [2024-10-14 02:51:03,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 574 transitions. [2024-10-14 02:51:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-14 02:51:03,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:03,045 INFO L215 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, 1, 1, 1, 1] [2024-10-14 02:51:03,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 02:51:03,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 02:51:03,246 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:03,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:03,246 INFO L85 PathProgramCache]: Analyzing trace with hash -480706340, now seen corresponding path program 1 times [2024-10-14 02:51:03,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:03,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226428636] [2024-10-14 02:51:03,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:03,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:51:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:51:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:51:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 02:51:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 02:51:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 02:51:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:51:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 02:51:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:51:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:51:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:51:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 02:51:03,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:03,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226428636] [2024-10-14 02:51:03,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226428636] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:03,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104879970] [2024-10-14 02:51:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:03,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:03,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:03,623 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) [2024-10-14 02:51:03,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 02:51:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:03,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 02:51:03,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 02:51:03,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:03,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104879970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:03,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:03,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 02:51:03,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316497260] [2024-10-14 02:51:03,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:03,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 02:51:03,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:03,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 02:51:03,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:51:03,993 INFO L87 Difference]: Start difference. First operand 366 states and 574 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:04,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:04,073 INFO L93 Difference]: Finished difference Result 546 states and 840 transitions. [2024-10-14 02:51:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 02:51:04,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2024-10-14 02:51:04,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:04,077 INFO L225 Difference]: With dead ends: 546 [2024-10-14 02:51:04,078 INFO L226 Difference]: Without dead ends: 368 [2024-10-14 02:51:04,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:51:04,080 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1111 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 [2024-10-14 02:51:04,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1111 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:51:04,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-14 02:51:04,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-14 02:51:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 287 states have (on average 1.6062717770034842) internal successors, (461), 289 states have internal predecessors, (461), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-14 02:51:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 576 transitions. [2024-10-14 02:51:04,118 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 576 transitions. Word has length 108 [2024-10-14 02:51:04,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:04,119 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 576 transitions. [2024-10-14 02:51:04,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 576 transitions. [2024-10-14 02:51:04,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 02:51:04,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:04,124 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:04,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 02:51:04,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-14 02:51:04,329 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:04,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:04,329 INFO L85 PathProgramCache]: Analyzing trace with hash -227313656, now seen corresponding path program 1 times [2024-10-14 02:51:04,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:04,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103378256] [2024-10-14 02:51:04,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:04,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:51:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:51:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:51:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 02:51:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:51:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:51:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 02:51:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:51:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:51:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 02:51:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 02:51:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 02:51:04,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:04,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103378256] [2024-10-14 02:51:04,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103378256] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:04,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745285150] [2024-10-14 02:51:04,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:04,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:04,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:04,638 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) [2024-10-14 02:51:04,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 02:51:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:04,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 02:51:04,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 02:51:04,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:04,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745285150] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:04,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:04,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 02:51:04,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434233988] [2024-10-14 02:51:04,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:04,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 02:51:04,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:04,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 02:51:04,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:51:04,982 INFO L87 Difference]: Start difference. First operand 368 states and 576 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:05,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:05,062 INFO L93 Difference]: Finished difference Result 788 states and 1251 transitions. [2024-10-14 02:51:05,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 02:51:05,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-10-14 02:51:05,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:05,067 INFO L225 Difference]: With dead ends: 788 [2024-10-14 02:51:05,068 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 02:51:05,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:51:05,070 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 136 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:05,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1078 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:51:05,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 02:51:05,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 437. [2024-10-14 02:51:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 342 states have (on average 1.6228070175438596) internal successors, (555), 344 states have internal predecessors, (555), 72 states have call successors, (72), 22 states have call predecessors, (72), 22 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-14 02:51:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 698 transitions. [2024-10-14 02:51:05,110 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 698 transitions. Word has length 115 [2024-10-14 02:51:05,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:05,110 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 698 transitions. [2024-10-14 02:51:05,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 698 transitions. [2024-10-14 02:51:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-14 02:51:05,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:05,116 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:05,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 02:51:05,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:05,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:05,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:05,317 INFO L85 PathProgramCache]: Analyzing trace with hash -286695024, now seen corresponding path program 1 times [2024-10-14 02:51:05,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:05,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044416361] [2024-10-14 02:51:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 02:51:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 02:51:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 02:51:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 02:51:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 02:51:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:51:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:51:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 02:51:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:51:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:51:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 02:51:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 02:51:05,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:05,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044416361] [2024-10-14 02:51:05,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044416361] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:05,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338813358] [2024-10-14 02:51:05,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:05,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:05,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:05,550 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) [2024-10-14 02:51:05,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 02:51:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:05,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 02:51:05,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-14 02:51:05,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:05,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338813358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:05,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:05,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 02:51:05,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730816069] [2024-10-14 02:51:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:05,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:51:05,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:05,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:51:05,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:51:05,919 INFO L87 Difference]: Start difference. First operand 437 states and 698 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 02:51:06,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:06,027 INFO L93 Difference]: Finished difference Result 869 states and 1390 transitions. [2024-10-14 02:51:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:51:06,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 116 [2024-10-14 02:51:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:06,030 INFO L225 Difference]: With dead ends: 869 [2024-10-14 02:51:06,030 INFO L226 Difference]: Without dead ends: 439 [2024-10-14 02:51:06,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:51:06,033 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 2 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:06,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2181 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:51:06,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-14 02:51:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2024-10-14 02:51:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 343 states have (on average 1.620991253644315) internal successors, (556), 346 states have internal predecessors, (556), 72 states have call successors, (72), 22 states have call predecessors, (72), 23 states have return successors, (73), 70 states have call predecessors, (73), 71 states have call successors, (73) [2024-10-14 02:51:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 701 transitions. [2024-10-14 02:51:06,052 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 701 transitions. Word has length 116 [2024-10-14 02:51:06,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:06,052 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 701 transitions. [2024-10-14 02:51:06,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 02:51:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 701 transitions. [2024-10-14 02:51:06,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-14 02:51:06,055 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:06,056 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:06,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 02:51:06,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:06,260 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:06,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:06,261 INFO L85 PathProgramCache]: Analyzing trace with hash 372826914, now seen corresponding path program 1 times [2024-10-14 02:51:06,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:06,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658227782] [2024-10-14 02:51:06,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:06,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 02:51:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 02:51:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 02:51:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 02:51:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:51:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 02:51:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 02:51:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:51:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 02:51:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 02:51:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 02:51:06,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:06,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658227782] [2024-10-14 02:51:06,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658227782] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:06,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646161301] [2024-10-14 02:51:06,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:06,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:06,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:06,543 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) [2024-10-14 02:51:06,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 02:51:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:06,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 02:51:06,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-14 02:51:06,901 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:51:06,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646161301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:06,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 02:51:06,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-14 02:51:06,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548864355] [2024-10-14 02:51:06,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:06,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:51:06,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:06,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:51:06,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:51:06,904 INFO L87 Difference]: Start difference. First operand 439 states and 701 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 02:51:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:07,028 INFO L93 Difference]: Finished difference Result 871 states and 1395 transitions. [2024-10-14 02:51:07,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:51:07,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 117 [2024-10-14 02:51:07,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:07,031 INFO L225 Difference]: With dead ends: 871 [2024-10-14 02:51:07,032 INFO L226 Difference]: Without dead ends: 441 [2024-10-14 02:51:07,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:51:07,034 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 2 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:07,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2167 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:51:07,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-14 02:51:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-10-14 02:51:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 344 states have (on average 1.619186046511628) internal successors, (557), 348 states have internal predecessors, (557), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2024-10-14 02:51:07,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 707 transitions. [2024-10-14 02:51:07,062 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 707 transitions. Word has length 117 [2024-10-14 02:51:07,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:07,062 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 707 transitions. [2024-10-14 02:51:07,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 02:51:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 707 transitions. [2024-10-14 02:51:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-14 02:51:07,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:07,065 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:07,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 02:51:07,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:07,267 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:07,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:07,267 INFO L85 PathProgramCache]: Analyzing trace with hash 255168330, now seen corresponding path program 1 times [2024-10-14 02:51:07,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:07,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227568069] [2024-10-14 02:51:07,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:07,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 02:51:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 02:51:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 02:51:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:51:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 02:51:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:51:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 02:51:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:51:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 02:51:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 02:51:07,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:07,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227568069] [2024-10-14 02:51:07,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227568069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:07,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:07,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 02:51:07,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935354377] [2024-10-14 02:51:07,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:07,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 02:51:07,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:07,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 02:51:07,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:51:07,509 INFO L87 Difference]: Start difference. First operand 441 states and 707 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 02:51:10,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:10,012 INFO L93 Difference]: Finished difference Result 1053 states and 1719 transitions. [2024-10-14 02:51:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 02:51:10,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2024-10-14 02:51:10,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:10,017 INFO L225 Difference]: With dead ends: 1053 [2024-10-14 02:51:10,018 INFO L226 Difference]: Without dead ends: 631 [2024-10-14 02:51:10,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:51:10,020 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1277 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:10,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 1247 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 02:51:10,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-10-14 02:51:10,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 441. [2024-10-14 02:51:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 344 states have (on average 1.619186046511628) internal successors, (557), 348 states have internal predecessors, (557), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (77), 70 states have call predecessors, (77), 71 states have call successors, (77) [2024-10-14 02:51:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 706 transitions. [2024-10-14 02:51:10,061 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 706 transitions. Word has length 118 [2024-10-14 02:51:10,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:10,061 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 706 transitions. [2024-10-14 02:51:10,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 02:51:10,062 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 706 transitions. [2024-10-14 02:51:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-14 02:51:10,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:10,065 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:10,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 02:51:10,065 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:10,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:10,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1397617410, now seen corresponding path program 2 times [2024-10-14 02:51:10,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:10,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098719817] [2024-10-14 02:51:10,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:10,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 02:51:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 02:51:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:51:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:51:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:51:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 02:51:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 02:51:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:51:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 02:51:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 02:51:10,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:10,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098719817] [2024-10-14 02:51:10,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098719817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:10,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:10,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 02:51:10,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728076666] [2024-10-14 02:51:10,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:10,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 02:51:10,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:10,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 02:51:10,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 02:51:10,313 INFO L87 Difference]: Start difference. First operand 441 states and 706 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 02:51:12,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:12,751 INFO L93 Difference]: Finished difference Result 1055 states and 1722 transitions. [2024-10-14 02:51:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 02:51:12,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2024-10-14 02:51:12,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:12,757 INFO L225 Difference]: With dead ends: 1055 [2024-10-14 02:51:12,757 INFO L226 Difference]: Without dead ends: 633 [2024-10-14 02:51:12,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:51:12,761 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1274 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3135 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 3552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 3135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:12,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 1247 Invalid, 3552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 3135 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 02:51:12,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-10-14 02:51:12,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 443. [2024-10-14 02:51:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 345 states have (on average 1.617391304347826) internal successors, (558), 350 states have internal predecessors, (558), 72 states have call successors, (72), 22 states have call predecessors, (72), 25 states have return successors, (79), 70 states have call predecessors, (79), 71 states have call successors, (79) [2024-10-14 02:51:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 709 transitions. [2024-10-14 02:51:12,802 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 709 transitions. Word has length 119 [2024-10-14 02:51:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:12,802 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 709 transitions. [2024-10-14 02:51:12,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 02:51:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 709 transitions. [2024-10-14 02:51:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 02:51:12,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:12,806 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:12,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 02:51:12,806 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:12,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:12,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1433618395, now seen corresponding path program 1 times [2024-10-14 02:51:12,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:12,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844641847] [2024-10-14 02:51:12,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:12,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:12,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:12,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:12,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:12,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 02:51:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 02:51:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 02:51:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:51:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 02:51:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 02:51:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:51:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:51:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 02:51:13,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:13,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844641847] [2024-10-14 02:51:13,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844641847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:13,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:13,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 02:51:13,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266671663] [2024-10-14 02:51:13,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:13,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 02:51:13,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:13,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 02:51:13,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:51:13,105 INFO L87 Difference]: Start difference. First operand 443 states and 709 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 02:51:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:16,300 INFO L93 Difference]: Finished difference Result 1053 states and 1717 transitions. [2024-10-14 02:51:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:51:16,300 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 120 [2024-10-14 02:51:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:16,309 INFO L225 Difference]: With dead ends: 1053 [2024-10-14 02:51:16,310 INFO L226 Difference]: Without dead ends: 633 [2024-10-14 02:51:16,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 02:51:16,313 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1278 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5154 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 5575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 5154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:16,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 1730 Invalid, 5575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 5154 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-14 02:51:16,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-10-14 02:51:16,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 443. [2024-10-14 02:51:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 345 states have (on average 1.617391304347826) internal successors, (558), 350 states have internal predecessors, (558), 72 states have call successors, (72), 22 states have call predecessors, (72), 25 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2024-10-14 02:51:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 708 transitions. [2024-10-14 02:51:16,348 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 708 transitions. Word has length 120 [2024-10-14 02:51:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:16,348 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 708 transitions. [2024-10-14 02:51:16,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 02:51:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 708 transitions. [2024-10-14 02:51:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 02:51:16,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:16,351 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:16,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 02:51:16,351 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:16,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 762730433, now seen corresponding path program 2 times [2024-10-14 02:51:16,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:16,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157125135] [2024-10-14 02:51:16,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:16,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 02:51:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 02:51:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 02:51:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:51:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:51:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:51:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 02:51:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:51:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 02:51:16,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:16,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157125135] [2024-10-14 02:51:16,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157125135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:16,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:16,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 02:51:16,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538503229] [2024-10-14 02:51:16,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:16,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 02:51:16,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:16,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 02:51:16,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:51:16,642 INFO L87 Difference]: Start difference. First operand 443 states and 708 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 02:51:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:19,243 INFO L93 Difference]: Finished difference Result 1055 states and 1723 transitions. [2024-10-14 02:51:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 02:51:19,244 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 121 [2024-10-14 02:51:19,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:19,248 INFO L225 Difference]: With dead ends: 1055 [2024-10-14 02:51:19,248 INFO L226 Difference]: Without dead ends: 635 [2024-10-14 02:51:19,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 02:51:19,251 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1276 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5148 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 5572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 5148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:19,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 1730 Invalid, 5572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 5148 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 02:51:19,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-10-14 02:51:19,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 445. [2024-10-14 02:51:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 346 states have (on average 1.615606936416185) internal successors, (559), 352 states have internal predecessors, (559), 72 states have call successors, (72), 22 states have call predecessors, (72), 26 states have return successors, (83), 70 states have call predecessors, (83), 71 states have call successors, (83) [2024-10-14 02:51:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 714 transitions. [2024-10-14 02:51:19,286 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 714 transitions. Word has length 121 [2024-10-14 02:51:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:19,287 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 714 transitions. [2024-10-14 02:51:19,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 02:51:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 714 transitions. [2024-10-14 02:51:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-14 02:51:19,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:19,290 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:19,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 02:51:19,290 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:19,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:19,291 INFO L85 PathProgramCache]: Analyzing trace with hash -248005056, now seen corresponding path program 1 times [2024-10-14 02:51:19,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:19,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619182243] [2024-10-14 02:51:19,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:19,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 02:51:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 02:51:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:51:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 02:51:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:51:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:51:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 02:51:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 02:51:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-14 02:51:19,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619182243] [2024-10-14 02:51:19,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619182243] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728921583] [2024-10-14 02:51:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:19,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:19,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:19,567 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) [2024-10-14 02:51:19,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 02:51:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:19,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 02:51:19,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:51:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:19,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:51:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:20,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728921583] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:51:20,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:51:20,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-14 02:51:20,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730317583] [2024-10-14 02:51:20,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:51:20,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 02:51:20,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:20,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 02:51:20,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:51:20,019 INFO L87 Difference]: Start difference. First operand 445 states and 714 transitions. Second operand has 15 states, 14 states have (on average 8.642857142857142) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-10-14 02:51:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:23,138 INFO L93 Difference]: Finished difference Result 1494 states and 2534 transitions. [2024-10-14 02:51:23,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 02:51:23,138 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.642857142857142) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 122 [2024-10-14 02:51:23,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:23,145 INFO L225 Difference]: With dead ends: 1494 [2024-10-14 02:51:23,145 INFO L226 Difference]: Without dead ends: 1075 [2024-10-14 02:51:23,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-14 02:51:23,148 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 2641 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 5030 mSolverCounterSat, 814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2662 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 5844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 814 IncrementalHoareTripleChecker+Valid, 5030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:23,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2662 Valid, 1966 Invalid, 5844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [814 Valid, 5030 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-14 02:51:23,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-10-14 02:51:23,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 870. [2024-10-14 02:51:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 692 states have (on average 1.657514450867052) internal successors, (1147), 698 states have internal predecessors, (1147), 151 states have call successors, (151), 22 states have call predecessors, (151), 26 states have return successors, (172), 149 states have call predecessors, (172), 150 states have call successors, (172) [2024-10-14 02:51:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1470 transitions. [2024-10-14 02:51:23,201 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1470 transitions. Word has length 122 [2024-10-14 02:51:23,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:23,202 INFO L471 AbstractCegarLoop]: Abstraction has 870 states and 1470 transitions. [2024-10-14 02:51:23,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.642857142857142) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-10-14 02:51:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1470 transitions. [2024-10-14 02:51:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-14 02:51:23,207 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:23,207 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:23,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 02:51:23,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:23,408 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:23,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:23,408 INFO L85 PathProgramCache]: Analyzing trace with hash 541204278, now seen corresponding path program 1 times [2024-10-14 02:51:23,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:23,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553202755] [2024-10-14 02:51:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:23,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 02:51:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:51:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 02:51:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 02:51:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 02:51:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:51:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 02:51:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:51:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:23,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:23,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553202755] [2024-10-14 02:51:23,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553202755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:23,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:23,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:23,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80148206] [2024-10-14 02:51:23,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:23,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:23,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:23,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:23,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:23,526 INFO L87 Difference]: Start difference. First operand 870 states and 1470 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:25,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:25,125 INFO L93 Difference]: Finished difference Result 2269 states and 3923 transitions. [2024-10-14 02:51:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:25,126 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2024-10-14 02:51:25,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:25,134 INFO L225 Difference]: With dead ends: 2269 [2024-10-14 02:51:25,135 INFO L226 Difference]: Without dead ends: 1467 [2024-10-14 02:51:25,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:25,139 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1407 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:25,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 933 Invalid, 2297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 02:51:25,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2024-10-14 02:51:25,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1272. [2024-10-14 02:51:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1015 states have (on average 1.6689655172413793) internal successors, (1694), 1021 states have internal predecessors, (1694), 230 states have call successors, (230), 22 states have call predecessors, (230), 26 states have return successors, (261), 228 states have call predecessors, (261), 229 states have call successors, (261) [2024-10-14 02:51:25,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 2185 transitions. [2024-10-14 02:51:25,213 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 2185 transitions. Word has length 126 [2024-10-14 02:51:25,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:25,213 INFO L471 AbstractCegarLoop]: Abstraction has 1272 states and 2185 transitions. [2024-10-14 02:51:25,213 INFO L472 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 2185 transitions. [2024-10-14 02:51:25,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-14 02:51:25,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:25,220 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:25,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 02:51:25,221 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:25,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:25,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1324019157, now seen corresponding path program 1 times [2024-10-14 02:51:25,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:25,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411129798] [2024-10-14 02:51:25,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:25,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 02:51:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:51:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:51:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 02:51:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:51:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:51:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:51:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:51:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:25,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:25,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411129798] [2024-10-14 02:51:25,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411129798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:25,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:25,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:25,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400294970] [2024-10-14 02:51:25,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:25,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:25,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:25,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:25,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:25,336 INFO L87 Difference]: Start difference. First operand 1272 states and 2185 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:26,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:26,825 INFO L93 Difference]: Finished difference Result 3272 states and 5700 transitions. [2024-10-14 02:51:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:26,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2024-10-14 02:51:26,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:26,837 INFO L225 Difference]: With dead ends: 3272 [2024-10-14 02:51:26,837 INFO L226 Difference]: Without dead ends: 2118 [2024-10-14 02:51:26,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:26,842 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1404 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:26,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 910 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 02:51:26,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2024-10-14 02:51:26,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 1923. [2024-10-14 02:51:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1923 states, 1547 states have (on average 1.6742081447963801) internal successors, (2590), 1553 states have internal predecessors, (2590), 349 states have call successors, (349), 22 states have call predecessors, (349), 26 states have return successors, (380), 347 states have call predecessors, (380), 348 states have call successors, (380) [2024-10-14 02:51:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 3319 transitions. [2024-10-14 02:51:26,935 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 3319 transitions. Word has length 127 [2024-10-14 02:51:26,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:26,935 INFO L471 AbstractCegarLoop]: Abstraction has 1923 states and 3319 transitions. [2024-10-14 02:51:26,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:26,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 3319 transitions. [2024-10-14 02:51:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-14 02:51:26,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:26,945 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:26,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 02:51:26,946 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:26,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:26,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1346962232, now seen corresponding path program 1 times [2024-10-14 02:51:26,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:26,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866484078] [2024-10-14 02:51:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 02:51:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:51:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 02:51:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 02:51:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:51:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 02:51:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 02:51:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 02:51:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:27,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:27,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866484078] [2024-10-14 02:51:27,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866484078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:27,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:27,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:27,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060433768] [2024-10-14 02:51:27,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:27,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:27,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:27,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:27,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:27,055 INFO L87 Difference]: Start difference. First operand 1923 states and 3319 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:28,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:28,651 INFO L93 Difference]: Finished difference Result 4796 states and 8418 transitions. [2024-10-14 02:51:28,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:28,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-10-14 02:51:28,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:28,670 INFO L225 Difference]: With dead ends: 4796 [2024-10-14 02:51:28,670 INFO L226 Difference]: Without dead ends: 3119 [2024-10-14 02:51:28,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:28,680 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1401 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:28,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 909 Invalid, 2268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 02:51:28,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2024-10-14 02:51:28,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2924. [2024-10-14 02:51:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2386 states have (on average 1.6789606035205364) internal successors, (4006), 2392 states have internal predecessors, (4006), 511 states have call successors, (511), 22 states have call predecessors, (511), 26 states have return successors, (558), 509 states have call predecessors, (558), 510 states have call successors, (558) [2024-10-14 02:51:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 5075 transitions. [2024-10-14 02:51:28,836 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 5075 transitions. Word has length 128 [2024-10-14 02:51:28,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:28,838 INFO L471 AbstractCegarLoop]: Abstraction has 2924 states and 5075 transitions. [2024-10-14 02:51:28,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 5075 transitions. [2024-10-14 02:51:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-14 02:51:28,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:28,850 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:28,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 02:51:28,851 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:28,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:28,851 INFO L85 PathProgramCache]: Analyzing trace with hash -675228406, now seen corresponding path program 1 times [2024-10-14 02:51:28,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:28,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165289137] [2024-10-14 02:51:28,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:28,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:51:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:51:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 02:51:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:51:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 02:51:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:51:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 02:51:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 02:51:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:28,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:28,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165289137] [2024-10-14 02:51:28,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165289137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:28,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:28,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369129152] [2024-10-14 02:51:28,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:28,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:28,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:28,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:28,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:28,967 INFO L87 Difference]: Start difference. First operand 2924 states and 5075 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:30,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:30,546 INFO L93 Difference]: Finished difference Result 7208 states and 12731 transitions. [2024-10-14 02:51:30,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:30,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-10-14 02:51:30,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:30,570 INFO L225 Difference]: With dead ends: 7208 [2024-10-14 02:51:30,570 INFO L226 Difference]: Without dead ends: 4739 [2024-10-14 02:51:30,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:30,580 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1400 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:30,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 909 Invalid, 2255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 02:51:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4739 states. [2024-10-14 02:51:30,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4739 to 4544. [2024-10-14 02:51:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4544 states, 3761 states have (on average 1.6825312416910396) internal successors, (6328), 3767 states have internal predecessors, (6328), 756 states have call successors, (756), 22 states have call predecessors, (756), 26 states have return successors, (829), 754 states have call predecessors, (829), 755 states have call successors, (829) [2024-10-14 02:51:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4544 states to 4544 states and 7913 transitions. [2024-10-14 02:51:30,767 INFO L78 Accepts]: Start accepts. Automaton has 4544 states and 7913 transitions. Word has length 129 [2024-10-14 02:51:30,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:30,767 INFO L471 AbstractCegarLoop]: Abstraction has 4544 states and 7913 transitions. [2024-10-14 02:51:30,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 4544 states and 7913 transitions. [2024-10-14 02:51:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-14 02:51:30,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:30,781 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:30,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 02:51:30,782 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:30,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:30,782 INFO L85 PathProgramCache]: Analyzing trace with hash -271274644, now seen corresponding path program 1 times [2024-10-14 02:51:30,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:30,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393898106] [2024-10-14 02:51:30,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:30,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 02:51:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:51:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 02:51:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 02:51:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 02:51:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 02:51:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 02:51:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 02:51:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:30,895 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:30,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:30,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393898106] [2024-10-14 02:51:30,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393898106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:30,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:30,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:30,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727123965] [2024-10-14 02:51:30,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:30,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:30,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:30,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:30,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:30,897 INFO L87 Difference]: Start difference. First operand 4544 states and 7913 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:32,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:32,693 INFO L93 Difference]: Finished difference Result 11285 states and 19984 transitions. [2024-10-14 02:51:32,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:32,693 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-10-14 02:51:32,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:32,731 INFO L225 Difference]: With dead ends: 11285 [2024-10-14 02:51:32,731 INFO L226 Difference]: Without dead ends: 7499 [2024-10-14 02:51:32,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:32,743 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1397 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 2325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:32,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1415 Valid, 951 Invalid, 2325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 1841 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 02:51:32,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7499 states. [2024-10-14 02:51:32,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7499 to 7304. [2024-10-14 02:51:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7304 states, 6028 states have (on average 1.6761778367617783) internal successors, (10104), 6034 states have internal predecessors, (10104), 1249 states have call successors, (1249), 22 states have call predecessors, (1249), 26 states have return successors, (1366), 1247 states have call predecessors, (1366), 1248 states have call successors, (1366) [2024-10-14 02:51:33,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7304 states to 7304 states and 12719 transitions. [2024-10-14 02:51:33,039 INFO L78 Accepts]: Start accepts. Automaton has 7304 states and 12719 transitions. Word has length 130 [2024-10-14 02:51:33,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:33,039 INFO L471 AbstractCegarLoop]: Abstraction has 7304 states and 12719 transitions. [2024-10-14 02:51:33,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 7304 states and 12719 transitions. [2024-10-14 02:51:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-14 02:51:33,111 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:33,111 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:33,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 02:51:33,111 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:33,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:33,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1846502298, now seen corresponding path program 1 times [2024-10-14 02:51:33,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:33,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630662114] [2024-10-14 02:51:33,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:33,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 02:51:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:51:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 02:51:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 02:51:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 02:51:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 02:51:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 02:51:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 02:51:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:33,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:33,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630662114] [2024-10-14 02:51:33,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630662114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:33,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:33,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:33,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319728536] [2024-10-14 02:51:33,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:33,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:33,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:33,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:33,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:33,274 INFO L87 Difference]: Start difference. First operand 7304 states and 12719 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:34,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:34,973 INFO L93 Difference]: Finished difference Result 18644 states and 33004 transitions. [2024-10-14 02:51:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:34,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-10-14 02:51:34,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:35,042 INFO L225 Difference]: With dead ends: 18644 [2024-10-14 02:51:35,042 INFO L226 Difference]: Without dead ends: 12484 [2024-10-14 02:51:35,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:35,067 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1395 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:35,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1413 Valid, 916 Invalid, 2291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 02:51:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12484 states. [2024-10-14 02:51:35,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12484 to 12289. [2024-10-14 02:51:35,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12289 states, 10191 states have (on average 1.6757923658129723) internal successors, (17078), 10197 states have internal predecessors, (17078), 2071 states have call successors, (2071), 22 states have call predecessors, (2071), 26 states have return successors, (2266), 2069 states have call predecessors, (2266), 2070 states have call successors, (2266) [2024-10-14 02:51:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12289 states to 12289 states and 21415 transitions. [2024-10-14 02:51:35,641 INFO L78 Accepts]: Start accepts. Automaton has 12289 states and 21415 transitions. Word has length 131 [2024-10-14 02:51:35,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:35,642 INFO L471 AbstractCegarLoop]: Abstraction has 12289 states and 21415 transitions. [2024-10-14 02:51:35,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:35,643 INFO L276 IsEmpty]: Start isEmpty. Operand 12289 states and 21415 transitions. [2024-10-14 02:51:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-14 02:51:35,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:35,676 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:35,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 02:51:35,676 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:35,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:35,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1045583006, now seen corresponding path program 1 times [2024-10-14 02:51:35,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:35,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018542196] [2024-10-14 02:51:35,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:35,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 02:51:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 02:51:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 02:51:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 02:51:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 02:51:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:51:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:51:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 02:51:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:35,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:35,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018542196] [2024-10-14 02:51:35,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018542196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:35,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:35,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:35,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178062943] [2024-10-14 02:51:35,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:35,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:35,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:35,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:35,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:35,800 INFO L87 Difference]: Start difference. First operand 12289 states and 21415 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:37,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:37,785 INFO L93 Difference]: Finished difference Result 29610 states and 52187 transitions. [2024-10-14 02:51:37,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:37,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-10-14 02:51:37,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:37,875 INFO L225 Difference]: With dead ends: 29610 [2024-10-14 02:51:37,875 INFO L226 Difference]: Without dead ends: 19444 [2024-10-14 02:51:37,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:37,914 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1393 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:37,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 892 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 02:51:37,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19444 states. [2024-10-14 02:51:38,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19444 to 19249. [2024-10-14 02:51:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19249 states, 15948 states have (on average 1.6535615751191373) internal successors, (26371), 15954 states have internal predecessors, (26371), 3274 states have call successors, (3274), 22 states have call predecessors, (3274), 26 states have return successors, (3613), 3272 states have call predecessors, (3613), 3273 states have call successors, (3613) [2024-10-14 02:51:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19249 states to 19249 states and 33258 transitions. [2024-10-14 02:51:38,634 INFO L78 Accepts]: Start accepts. Automaton has 19249 states and 33258 transitions. Word has length 132 [2024-10-14 02:51:38,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:38,635 INFO L471 AbstractCegarLoop]: Abstraction has 19249 states and 33258 transitions. [2024-10-14 02:51:38,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 19249 states and 33258 transitions. [2024-10-14 02:51:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-14 02:51:38,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:38,665 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:38,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 02:51:38,665 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:38,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:38,665 INFO L85 PathProgramCache]: Analyzing trace with hash 729123365, now seen corresponding path program 1 times [2024-10-14 02:51:38,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:38,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973681459] [2024-10-14 02:51:38,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:38,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 02:51:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 02:51:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 02:51:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 02:51:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:51:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 02:51:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 02:51:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 02:51:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:38,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:38,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973681459] [2024-10-14 02:51:38,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973681459] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:38,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:38,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:38,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850499555] [2024-10-14 02:51:38,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:38,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:38,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:38,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:38,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:38,779 INFO L87 Difference]: Start difference. First operand 19249 states and 33258 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:41,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:41,393 INFO L93 Difference]: Finished difference Result 51051 states and 89720 transitions. [2024-10-14 02:51:41,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:41,393 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2024-10-14 02:51:41,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:41,580 INFO L225 Difference]: With dead ends: 51051 [2024-10-14 02:51:41,580 INFO L226 Difference]: Without dead ends: 34573 [2024-10-14 02:51:41,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:41,650 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1394 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:41,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1413 Valid, 909 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 02:51:41,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34573 states. [2024-10-14 02:51:42,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34573 to 34378. [2024-10-14 02:51:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34378 states, 28627 states have (on average 1.6507492926258427) internal successors, (47256), 28633 states have internal predecessors, (47256), 5724 states have call successors, (5724), 22 states have call predecessors, (5724), 26 states have return successors, (6337), 5722 states have call predecessors, (6337), 5723 states have call successors, (6337) [2024-10-14 02:51:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34378 states to 34378 states and 59317 transitions. [2024-10-14 02:51:43,088 INFO L78 Accepts]: Start accepts. Automaton has 34378 states and 59317 transitions. Word has length 133 [2024-10-14 02:51:43,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:43,089 INFO L471 AbstractCegarLoop]: Abstraction has 34378 states and 59317 transitions. [2024-10-14 02:51:43,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 34378 states and 59317 transitions. [2024-10-14 02:51:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-14 02:51:43,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:43,127 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:43,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 02:51:43,128 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:43,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:43,128 INFO L85 PathProgramCache]: Analyzing trace with hash -50786780, now seen corresponding path program 1 times [2024-10-14 02:51:43,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:43,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36611616] [2024-10-14 02:51:43,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:43,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:51:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:51:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 02:51:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:51:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 02:51:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 02:51:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 02:51:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 02:51:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:43,229 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:43,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:43,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36611616] [2024-10-14 02:51:43,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36611616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:43,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:43,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:43,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753435427] [2024-10-14 02:51:43,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:43,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:43,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:43,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:43,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:43,233 INFO L87 Difference]: Start difference. First operand 34378 states and 59317 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:46,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:46,685 INFO L93 Difference]: Finished difference Result 93933 states and 164314 transitions. [2024-10-14 02:51:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:46,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-10-14 02:51:46,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:46,934 INFO L225 Difference]: With dead ends: 93933 [2024-10-14 02:51:46,935 INFO L226 Difference]: Without dead ends: 63249 [2024-10-14 02:51:47,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:47,016 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1391 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1410 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:47,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1410 Valid, 910 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 02:51:47,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63249 states. [2024-10-14 02:51:49,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63249 to 63054. [2024-10-14 02:51:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63054 states, 52790 states have (on average 1.6470543663572645) internal successors, (86948), 52796 states have internal predecessors, (86948), 10237 states have call successors, (10237), 22 states have call predecessors, (10237), 26 states have return successors, (11382), 10235 states have call predecessors, (11382), 10236 states have call successors, (11382) [2024-10-14 02:51:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63054 states to 63054 states and 108567 transitions. [2024-10-14 02:51:49,801 INFO L78 Accepts]: Start accepts. Automaton has 63054 states and 108567 transitions. Word has length 134 [2024-10-14 02:51:49,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:49,802 INFO L471 AbstractCegarLoop]: Abstraction has 63054 states and 108567 transitions. [2024-10-14 02:51:49,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:49,802 INFO L276 IsEmpty]: Start isEmpty. Operand 63054 states and 108567 transitions. [2024-10-14 02:51:49,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-14 02:51:49,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:49,854 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:49,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 02:51:49,854 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:49,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:49,855 INFO L85 PathProgramCache]: Analyzing trace with hash -27140187, now seen corresponding path program 1 times [2024-10-14 02:51:49,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:49,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21893306] [2024-10-14 02:51:49,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:49,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 02:51:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 02:51:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:51:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 02:51:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 02:51:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 02:51:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 02:51:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 02:51:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 02:51:49,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:49,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21893306] [2024-10-14 02:51:49,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21893306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:51:49,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:51:49,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 02:51:49,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656706303] [2024-10-14 02:51:49,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:51:49,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 02:51:49,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:51:49,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 02:51:49,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 02:51:49,969 INFO L87 Difference]: Start difference. First operand 63054 states and 108567 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:54,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:51:54,120 INFO L93 Difference]: Finished difference Result 118313 states and 207466 transitions. [2024-10-14 02:51:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:51:54,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2024-10-14 02:51:54,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:51:54,967 INFO L225 Difference]: With dead ends: 118313 [2024-10-14 02:51:54,967 INFO L226 Difference]: Without dead ends: 118135 [2024-10-14 02:51:55,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:51:55,010 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1385 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 02:51:55,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 919 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 02:51:55,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118135 states. [2024-10-14 02:51:59,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118135 to 117940. [2024-10-14 02:51:59,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117940 states, 99308 states have (on average 1.6423450275909293) internal successors, (163098), 99314 states have internal predecessors, (163098), 18605 states have call successors, (18605), 22 states have call predecessors, (18605), 26 states have return successors, (20796), 18603 states have call predecessors, (20796), 18604 states have call successors, (20796) [2024-10-14 02:51:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117940 states to 117940 states and 202499 transitions. [2024-10-14 02:51:59,715 INFO L78 Accepts]: Start accepts. Automaton has 117940 states and 202499 transitions. Word has length 135 [2024-10-14 02:51:59,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:51:59,715 INFO L471 AbstractCegarLoop]: Abstraction has 117940 states and 202499 transitions. [2024-10-14 02:51:59,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 02:51:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 117940 states and 202499 transitions. [2024-10-14 02:51:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-14 02:51:59,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:51:59,790 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:51:59,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 02:51:59,791 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:51:59,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:51:59,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1490950171, now seen corresponding path program 1 times [2024-10-14 02:51:59,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:51:59,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838325665] [2024-10-14 02:51:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:51:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 02:51:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:51:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 02:51:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 02:51:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 02:51:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:51:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 02:51:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 02:51:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 02:51:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 02:51:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 02:51:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 02:51:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 02:51:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 02:51:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:51:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-14 02:51:59,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:51:59,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838325665] [2024-10-14 02:51:59,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838325665] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:51:59,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797408440] [2024-10-14 02:51:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:51:59,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:51:59,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:51:59,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:51:59,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 02:52:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:52:00,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 02:52:00,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:52:00,514 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 02:52:00,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:52:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 02:52:00,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797408440] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:52:00,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:52:00,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2024-10-14 02:52:00,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101722431] [2024-10-14 02:52:00,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:52:00,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-14 02:52:00,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:52:00,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-14 02:52:00,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-10-14 02:52:00,805 INFO L87 Difference]: Start difference. First operand 117940 states and 202499 transitions. Second operand has 21 states, 20 states have (on average 10.85) internal successors, (217), 16 states have internal predecessors, (217), 4 states have call successors, (47), 10 states have call predecessors, (47), 8 states have return successors, (38), 5 states have call predecessors, (38), 4 states have call successors, (38) [2024-10-14 02:52:11,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:52:11,200 INFO L93 Difference]: Finished difference Result 236451 states and 416863 transitions. [2024-10-14 02:52:11,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-14 02:52:11,201 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.85) internal successors, (217), 16 states have internal predecessors, (217), 4 states have call successors, (47), 10 states have call predecessors, (47), 8 states have return successors, (38), 5 states have call predecessors, (38), 4 states have call successors, (38) Word has length 136 [2024-10-14 02:52:11,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted.