./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_spec7_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_spec7_product35.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 e6954a366a92a56976ad3f15dd01067d582436273e28a74386bd548c596ad28b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 00:55:13,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 00:55:13,244 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 00:55:13,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 00:55:13,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 00:55:13,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 00:55:13,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 00:55:13,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 00:55:13,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 00:55:13,280 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 00:55:13,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 00:55:13,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 00:55:13,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 00:55:13,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 00:55:13,282 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 00:55:13,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 00:55:13,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 00:55:13,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 00:55:13,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 00:55:13,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 00:55:13,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 00:55:13,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 00:55:13,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 00:55:13,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 00:55:13,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 00:55:13,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 00:55:13,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 00:55:13,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 00:55:13,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 00:55:13,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 00:55:13,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 00:55:13,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 00:55:13,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:55:13,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 00:55:13,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 00:55:13,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 00:55:13,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 00:55:13,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 00:55:13,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 00:55:13,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 00:55:13,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 00:55:13,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 00:55:13,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6954a366a92a56976ad3f15dd01067d582436273e28a74386bd548c596ad28b [2024-10-24 00:55:13,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 00:55:13,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 00:55:13,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 00:55:13,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 00:55:13,551 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 00:55:13,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c [2024-10-24 00:55:14,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 00:55:15,304 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 00:55:15,304 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c [2024-10-24 00:55:15,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f001cbe4f/16b9bcc025fd4ff183be2bbff7672116/FLAGdbc54b9d6 [2024-10-24 00:55:15,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f001cbe4f/16b9bcc025fd4ff183be2bbff7672116 [2024-10-24 00:55:15,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 00:55:15,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 00:55:15,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 00:55:15,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 00:55:15,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 00:55:15,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:55:15" (1/1) ... [2024-10-24 00:55:15,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425b396c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:15, skipping insertion in model container [2024-10-24 00:55:15,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:55:15" (1/1) ... [2024-10-24 00:55:15,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 00:55:16,162 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_spec7_product35.cil.c[48298,48311] [2024-10-24 00:55:16,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:55:16,247 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 00:55:16,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-10-24 00:55:16,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2024-10-24 00:55:16,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [225] [2024-10-24 00:55:16,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [678] [2024-10-24 00:55:16,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [1749] [2024-10-24 00:55:16,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1768] [2024-10-24 00:55:16,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2134] [2024-10-24 00:55:16,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2143] [2024-10-24 00:55:16,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2181] [2024-10-24 00:55:16,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2491] [2024-10-24 00:55:16,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2888] [2024-10-24 00:55:16,317 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_spec7_product35.cil.c[48298,48311] [2024-10-24 00:55:16,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:55:16,387 INFO L204 MainTranslator]: Completed translation [2024-10-24 00:55:16,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16 WrapperNode [2024-10-24 00:55:16,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 00:55:16,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 00:55:16,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 00:55:16,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 00:55:16,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,501 INFO L138 Inliner]: procedures = 137, calls = 226, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1142 [2024-10-24 00:55:16,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 00:55:16,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 00:55:16,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 00:55:16,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 00:55:16,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,565 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]. [2024-10-24 00:55:16,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 00:55:16,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 00:55:16,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 00:55:16,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 00:55:16,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (1/1) ... [2024-10-24 00:55:16,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:55:16,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:16,679 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) [2024-10-24 00:55:16,682 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 [2024-10-24 00:55:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-24 00:55:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-24 00:55:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-24 00:55:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-24 00:55:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-24 00:55:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-24 00:55:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-24 00:55:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-24 00:55:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-24 00:55:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-24 00:55:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-24 00:55:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-24 00:55:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-24 00:55:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-24 00:55:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-24 00:55:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-24 00:55:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-24 00:55:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-24 00:55:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-24 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-24 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-24 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-24 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-24 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-24 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-24 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-24 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-24 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-24 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-10-24 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-10-24 00:55:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-24 00:55:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-24 00:55:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 00:55:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-24 00:55:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-24 00:55:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-24 00:55:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-24 00:55:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-24 00:55:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-24 00:55:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-24 00:55:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-24 00:55:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-24 00:55:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-24 00:55:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-24 00:55:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-24 00:55:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-24 00:55:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-24 00:55:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-24 00:55:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-24 00:55:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-24 00:55:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-24 00:55:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-24 00:55:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-24 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-24 00:55:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-24 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-24 00:55:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-24 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-24 00:55:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-24 00:55:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 00:55:16,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 00:55:17,006 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 00:55:17,009 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 00:55:18,149 INFO L? ?]: Removed 604 outVars from TransFormulas that were not future-live. [2024-10-24 00:55:18,149 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 00:55:18,227 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 00:55:18,227 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 00:55:18,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:55:18 BoogieIcfgContainer [2024-10-24 00:55:18,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 00:55:18,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 00:55:18,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 00:55:18,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 00:55:18,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:55:15" (1/3) ... [2024-10-24 00:55:18,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9320b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:55:18, skipping insertion in model container [2024-10-24 00:55:18,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:55:16" (2/3) ... [2024-10-24 00:55:18,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9320b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:55:18, skipping insertion in model container [2024-10-24 00:55:18,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:55:18" (3/3) ... [2024-10-24 00:55:18,241 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product35.cil.c [2024-10-24 00:55:18,258 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 00:55:18,258 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 00:55:18,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 00:55:18,348 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;@5420940b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 00:55:18,348 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 00:55:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 431 states, 326 states have (on average 1.5889570552147239) internal successors, (518), 331 states have internal predecessors, (518), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-24 00:55:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 00:55:18,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:18,375 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:18,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:18,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:18,382 INFO L85 PathProgramCache]: Analyzing trace with hash 804346933, now seen corresponding path program 1 times [2024-10-24 00:55:18,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:18,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553409548] [2024-10-24 00:55:18,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:18,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:55:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:55:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:55:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 00:55:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 00:55:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:55:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:55:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:55:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:55:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:55:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:55:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:55:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:55:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,262 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:55:19,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:19,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553409548] [2024-10-24 00:55:19,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553409548] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:19,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66985126] [2024-10-24 00:55:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:19,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:19,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:19,267 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) [2024-10-24 00:55:19,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 00:55:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:19,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 00:55:19,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 00:55:19,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:19,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66985126] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:19,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:19,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-24 00:55:19,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908593855] [2024-10-24 00:55:19,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:19,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 00:55:19,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:19,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 00:55:19,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:55:19,737 INFO L87 Difference]: Start difference. First operand has 431 states, 326 states have (on average 1.5889570552147239) internal successors, (518), 331 states have internal predecessors, (518), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:19,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:19,876 INFO L93 Difference]: Finished difference Result 674 states and 1024 transitions. [2024-10-24 00:55:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 00:55:19,879 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 123 [2024-10-24 00:55:19,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:19,892 INFO L225 Difference]: With dead ends: 674 [2024-10-24 00:55:19,892 INFO L226 Difference]: Without dead ends: 428 [2024-10-24 00:55:19,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:55:19,905 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:19,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 642 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:55:19,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-10-24 00:55:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-10-24 00:55:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 324 states have (on average 1.5771604938271604) internal successors, (511), 328 states have internal predecessors, (511), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-24 00:55:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 658 transitions. [2024-10-24 00:55:19,997 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 658 transitions. Word has length 123 [2024-10-24 00:55:20,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:20,000 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 658 transitions. [2024-10-24 00:55:20,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 658 transitions. [2024-10-24 00:55:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 00:55:20,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:20,010 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:20,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 00:55:20,212 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 [2024-10-24 00:55:20,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:20,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:20,213 INFO L85 PathProgramCache]: Analyzing trace with hash 412256919, now seen corresponding path program 1 times [2024-10-24 00:55:20,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:20,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099715645] [2024-10-24 00:55:20,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:20,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:55:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:55:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:55:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 00:55:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 00:55:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:55:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:55:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:55:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:55:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:55:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:55:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:55:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 00:55:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:55:20,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:20,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099715645] [2024-10-24 00:55:20,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099715645] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:20,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548284691] [2024-10-24 00:55:20,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:20,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:20,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:20,552 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) [2024-10-24 00:55:20,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 00:55:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:20,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 00:55:20,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 00:55:20,907 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:20,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548284691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:20,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:20,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:55:20,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623188654] [2024-10-24 00:55:20,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:20,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:55:20,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:20,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:55:20,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:55:20,910 INFO L87 Difference]: Start difference. First operand 428 states and 658 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:20,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:20,982 INFO L93 Difference]: Finished difference Result 670 states and 1008 transitions. [2024-10-24 00:55:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:55:20,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 124 [2024-10-24 00:55:20,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:20,987 INFO L225 Difference]: With dead ends: 670 [2024-10-24 00:55:20,987 INFO L226 Difference]: Without dead ends: 430 [2024-10-24 00:55:20,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:55:20,989 INFO L432 NwaCegarLoop]: 639 mSDtfsCounter, 0 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:20,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1277 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:55:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-10-24 00:55:21,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-10-24 00:55:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 326 states have (on average 1.5736196319018405) internal successors, (513), 330 states have internal predecessors, (513), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-24 00:55:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 660 transitions. [2024-10-24 00:55:21,040 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 660 transitions. Word has length 124 [2024-10-24 00:55:21,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:21,041 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 660 transitions. [2024-10-24 00:55:21,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 660 transitions. [2024-10-24 00:55:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 00:55:21,044 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:21,044 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:21,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 00:55:21,244 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 [2024-10-24 00:55:21,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:21,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:21,246 INFO L85 PathProgramCache]: Analyzing trace with hash 583139764, now seen corresponding path program 1 times [2024-10-24 00:55:21,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:21,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864066835] [2024-10-24 00:55:21,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:21,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:55:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:55:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:55:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 00:55:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:55:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:55:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:55:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:55:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:55:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:55:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:55:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:55:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 00:55:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,554 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 00:55:21,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:21,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864066835] [2024-10-24 00:55:21,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864066835] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:21,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108516464] [2024-10-24 00:55:21,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:21,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:21,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:21,558 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) [2024-10-24 00:55:21,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 00:55:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:21,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:55:21,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:21,905 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 00:55:21,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:21,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108516464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:21,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:21,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:55:21,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980617583] [2024-10-24 00:55:21,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:21,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:55:21,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:21,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:55:21,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:55:21,908 INFO L87 Difference]: Start difference. First operand 430 states and 660 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:21,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:21,985 INFO L93 Difference]: Finished difference Result 912 states and 1419 transitions. [2024-10-24 00:55:21,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:55:22,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2024-10-24 00:55:22,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:22,006 INFO L225 Difference]: With dead ends: 912 [2024-10-24 00:55:22,006 INFO L226 Difference]: Without dead ends: 504 [2024-10-24 00:55:22,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:55:22,009 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 136 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:22,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1256 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:55:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-10-24 00:55:22,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 499. [2024-10-24 00:55:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 381 states have (on average 1.5931758530183726) internal successors, (607), 385 states have internal predecessors, (607), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2024-10-24 00:55:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 782 transitions. [2024-10-24 00:55:22,041 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 782 transitions. Word has length 131 [2024-10-24 00:55:22,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:22,042 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 782 transitions. [2024-10-24 00:55:22,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 782 transitions. [2024-10-24 00:55:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 00:55:22,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:22,046 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:22,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 00:55:22,247 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 [2024-10-24 00:55:22,248 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:22,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:22,248 INFO L85 PathProgramCache]: Analyzing trace with hash -356369399, now seen corresponding path program 1 times [2024-10-24 00:55:22,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:22,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372126395] [2024-10-24 00:55:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:22,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:55:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:55:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:55:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:55:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:55:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:55:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:55:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:55:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:55:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:55:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:55:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:55:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 00:55:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 00:55:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 00:55:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 00:55:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-24 00:55:22,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:22,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372126395] [2024-10-24 00:55:22,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372126395] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:22,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202603946] [2024-10-24 00:55:22,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:22,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:22,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:22,514 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) [2024-10-24 00:55:22,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 00:55:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:22,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 00:55:22,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-24 00:55:22,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:22,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202603946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:22,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:22,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-24 00:55:22,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927874732] [2024-10-24 00:55:22,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:22,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:55:22,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:22,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:55:22,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:55:22,924 INFO L87 Difference]: Start difference. First operand 499 states and 782 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 00:55:23,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:23,055 INFO L93 Difference]: Finished difference Result 993 states and 1558 transitions. [2024-10-24 00:55:23,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:55:23,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 150 [2024-10-24 00:55:23,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:23,059 INFO L225 Difference]: With dead ends: 993 [2024-10-24 00:55:23,059 INFO L226 Difference]: Without dead ends: 501 [2024-10-24 00:55:23,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:55:23,062 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 2 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2513 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:23,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2513 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:55:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-10-24 00:55:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2024-10-24 00:55:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 382 states have (on average 1.5916230366492146) internal successors, (608), 387 states have internal predecessors, (608), 88 states have call successors, (88), 29 states have call predecessors, (88), 30 states have return successors, (89), 86 states have call predecessors, (89), 87 states have call successors, (89) [2024-10-24 00:55:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 785 transitions. [2024-10-24 00:55:23,095 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 785 transitions. Word has length 150 [2024-10-24 00:55:23,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:23,095 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 785 transitions. [2024-10-24 00:55:23,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 00:55:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 785 transitions. [2024-10-24 00:55:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-24 00:55:23,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:23,100 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:23,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 00:55:23,300 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 [2024-10-24 00:55:23,301 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:23,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:23,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1887192996, now seen corresponding path program 1 times [2024-10-24 00:55:23,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:23,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524996311] [2024-10-24 00:55:23,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:23,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 00:55:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 00:55:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 00:55:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:55:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:55:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:55:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:55:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:55:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:55:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:55:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 00:55:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 00:55:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-24 00:55:23,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:23,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524996311] [2024-10-24 00:55:23,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524996311] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:23,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424500458] [2024-10-24 00:55:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:23,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:23,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:23,574 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) [2024-10-24 00:55:23,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 00:55:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:23,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 00:55:23,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-24 00:55:23,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:55:23,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424500458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:23,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:55:23,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-24 00:55:23,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814775175] [2024-10-24 00:55:23,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:23,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:55:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:23,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:55:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:55:23,976 INFO L87 Difference]: Start difference. First operand 501 states and 785 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-24 00:55:24,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:24,126 INFO L93 Difference]: Finished difference Result 995 states and 1563 transitions. [2024-10-24 00:55:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:55:24,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2024-10-24 00:55:24,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:24,131 INFO L225 Difference]: With dead ends: 995 [2024-10-24 00:55:24,131 INFO L226 Difference]: Without dead ends: 503 [2024-10-24 00:55:24,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:55:24,135 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 2 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2499 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:24,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2499 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:55:24,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-10-24 00:55:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-10-24 00:55:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 383 states have (on average 1.5900783289817233) internal successors, (609), 389 states have internal predecessors, (609), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-10-24 00:55:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 791 transitions. [2024-10-24 00:55:24,162 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 791 transitions. Word has length 133 [2024-10-24 00:55:24,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:24,163 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 791 transitions. [2024-10-24 00:55:24,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-24 00:55:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 791 transitions. [2024-10-24 00:55:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-24 00:55:24,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:24,166 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:24,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 00:55:24,367 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 [2024-10-24 00:55:24,367 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:24,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:24,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2039393985, now seen corresponding path program 1 times [2024-10-24 00:55:24,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:24,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662109383] [2024-10-24 00:55:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:24,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 00:55:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 00:55:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 00:55:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:55:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:55:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:55:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:55:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:55:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:55:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 00:55:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 00:55:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 00:55:24,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:24,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662109383] [2024-10-24 00:55:24,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662109383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:24,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:24,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:55:24,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292518484] [2024-10-24 00:55:24,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:24,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:55:24,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:24,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:55:24,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:55:24,596 INFO L87 Difference]: Start difference. First operand 503 states and 791 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-24 00:55:27,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:27,333 INFO L93 Difference]: Finished difference Result 1182 states and 1896 transitions. [2024-10-24 00:55:27,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:55:27,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 134 [2024-10-24 00:55:27,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:27,342 INFO L225 Difference]: With dead ends: 1182 [2024-10-24 00:55:27,342 INFO L226 Difference]: Without dead ends: 698 [2024-10-24 00:55:27,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:55:27,346 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1557 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3190 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 3785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 3190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:27,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 1245 Invalid, 3785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 3190 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 00:55:27,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-10-24 00:55:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 503. [2024-10-24 00:55:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 383 states have (on average 1.5900783289817233) internal successors, (609), 389 states have internal predecessors, (609), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (93), 86 states have call predecessors, (93), 87 states have call successors, (93) [2024-10-24 00:55:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 790 transitions. [2024-10-24 00:55:27,407 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 790 transitions. Word has length 134 [2024-10-24 00:55:27,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:27,407 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 790 transitions. [2024-10-24 00:55:27,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-24 00:55:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 790 transitions. [2024-10-24 00:55:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 00:55:27,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:27,411 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:27,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 00:55:27,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:27,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:27,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1434426540, now seen corresponding path program 1 times [2024-10-24 00:55:27,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:27,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845953850] [2024-10-24 00:55:27,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:27,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 00:55:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 00:55:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:55:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:55:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:55:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:55:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:55:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:55:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:55:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:55:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 00:55:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 00:55:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 00:55:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 00:55:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-24 00:55:27,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:27,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845953850] [2024-10-24 00:55:27,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845953850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:27,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:27,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:55:27,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704761865] [2024-10-24 00:55:27,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:27,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:55:27,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:27,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:55:27,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:55:27,639 INFO L87 Difference]: Start difference. First operand 503 states and 790 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 00:55:30,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:30,138 INFO L93 Difference]: Finished difference Result 1184 states and 1899 transitions. [2024-10-24 00:55:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:55:30,139 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 153 [2024-10-24 00:55:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:30,144 INFO L225 Difference]: With dead ends: 1184 [2024-10-24 00:55:30,144 INFO L226 Difference]: Without dead ends: 700 [2024-10-24 00:55:30,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:55:30,147 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1576 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 618 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 3801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 618 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:30,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 1246 Invalid, 3801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [618 Valid, 3183 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 00:55:30,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-10-24 00:55:30,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2024-10-24 00:55:30,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 384 states have (on average 1.5885416666666667) internal successors, (610), 391 states have internal predecessors, (610), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (95), 86 states have call predecessors, (95), 87 states have call successors, (95) [2024-10-24 00:55:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 793 transitions. [2024-10-24 00:55:30,185 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 793 transitions. Word has length 153 [2024-10-24 00:55:30,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:30,185 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 793 transitions. [2024-10-24 00:55:30,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 00:55:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 793 transitions. [2024-10-24 00:55:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-24 00:55:30,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:30,188 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:30,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 00:55:30,189 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:30,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1237831989, now seen corresponding path program 1 times [2024-10-24 00:55:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:30,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75930677] [2024-10-24 00:55:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:55:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 00:55:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:55:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:55:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:55:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:55:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:55:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:55:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:55:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 00:55:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 00:55:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 00:55:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 00:55:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:55:30,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:30,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75930677] [2024-10-24 00:55:30,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75930677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:30,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:30,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:55:30,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189265070] [2024-10-24 00:55:30,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:30,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:55:30,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:30,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:55:30,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:55:30,440 INFO L87 Difference]: Start difference. First operand 505 states and 793 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-24 00:55:33,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:33,368 INFO L93 Difference]: Finished difference Result 1182 states and 1894 transitions. [2024-10-24 00:55:33,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:55:33,369 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 154 [2024-10-24 00:55:33,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:33,374 INFO L225 Difference]: With dead ends: 1182 [2024-10-24 00:55:33,374 INFO L226 Difference]: Without dead ends: 700 [2024-10-24 00:55:33,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:55:33,377 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1576 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5179 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 5807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 5179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:33,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 1730 Invalid, 5807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 5179 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 00:55:33,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-10-24 00:55:33,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2024-10-24 00:55:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 384 states have (on average 1.5885416666666667) internal successors, (610), 391 states have internal predecessors, (610), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-10-24 00:55:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 792 transitions. [2024-10-24 00:55:33,418 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 792 transitions. Word has length 154 [2024-10-24 00:55:33,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:33,419 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 792 transitions. [2024-10-24 00:55:33,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-24 00:55:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 792 transitions. [2024-10-24 00:55:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-24 00:55:33,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:33,422 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:33,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 00:55:33,422 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:33,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:33,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1780997461, now seen corresponding path program 1 times [2024-10-24 00:55:33,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:33,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131156399] [2024-10-24 00:55:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:55:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:55:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:55:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:55:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:55:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:55:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:55:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:55:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:55:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 00:55:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-24 00:55:33,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:33,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131156399] [2024-10-24 00:55:33,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131156399] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:33,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:33,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:55:33,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281708] [2024-10-24 00:55:33,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:33,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:55:33,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:33,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:55:33,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:55:33,692 INFO L87 Difference]: Start difference. First operand 505 states and 792 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-24 00:55:36,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:36,648 INFO L93 Difference]: Finished difference Result 1184 states and 1900 transitions. [2024-10-24 00:55:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:55:36,649 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 137 [2024-10-24 00:55:36,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:36,656 INFO L225 Difference]: With dead ends: 1184 [2024-10-24 00:55:36,657 INFO L226 Difference]: Without dead ends: 702 [2024-10-24 00:55:36,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:55:36,659 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1522 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5502 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 6068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 5502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:36,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 1731 Invalid, 6068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 5502 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 00:55:36,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-24 00:55:36,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 507. [2024-10-24 00:55:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 385 states have (on average 1.587012987012987) internal successors, (611), 393 states have internal predecessors, (611), 88 states have call successors, (88), 29 states have call predecessors, (88), 33 states have return successors, (99), 86 states have call predecessors, (99), 87 states have call successors, (99) [2024-10-24 00:55:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 798 transitions. [2024-10-24 00:55:36,701 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 798 transitions. Word has length 137 [2024-10-24 00:55:36,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:36,702 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 798 transitions. [2024-10-24 00:55:36,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-24 00:55:36,702 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 798 transitions. [2024-10-24 00:55:36,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-24 00:55:36,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:36,705 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:36,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 00:55:36,706 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:36,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:36,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1400310214, now seen corresponding path program 1 times [2024-10-24 00:55:36,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:36,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277089100] [2024-10-24 00:55:36,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:36,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:55:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:55:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:55:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:55:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:55:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:55:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:55:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:55:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 00:55:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 00:55:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 00:55:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 00:55:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 00:55:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-24 00:55:36,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:36,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277089100] [2024-10-24 00:55:36,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277089100] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:55:36,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61551169] [2024-10-24 00:55:36,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:36,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:55:36,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:55:36,973 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) [2024-10-24 00:55:36,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 00:55:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:37,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:55:37,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:55:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-24 00:55:37,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:55:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-24 00:55:37,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61551169] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:55:37,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:55:37,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-24 00:55:37,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445170497] [2024-10-24 00:55:37,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:55:37,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 00:55:37,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:37,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 00:55:37,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:55:37,537 INFO L87 Difference]: Start difference. First operand 507 states and 798 transitions. Second operand has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-10-24 00:55:41,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:41,675 INFO L93 Difference]: Finished difference Result 1623 states and 2711 transitions. [2024-10-24 00:55:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 00:55:41,676 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 156 [2024-10-24 00:55:41,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:41,683 INFO L225 Difference]: With dead ends: 1623 [2024-10-24 00:55:41,683 INFO L226 Difference]: Without dead ends: 1142 [2024-10-24 00:55:41,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-24 00:55:41,686 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 2827 mSDsluCounter, 2021 mSDsCounter, 0 mSdLazyCounter, 7204 mSolverCounterSat, 1070 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2849 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 8274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1070 IncrementalHoareTripleChecker+Valid, 7204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:41,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2849 Valid, 2208 Invalid, 8274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1070 Valid, 7204 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-24 00:55:41,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2024-10-24 00:55:41,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 932. [2024-10-24 00:55:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 731 states have (on average 1.640218878248974) internal successors, (1199), 739 states have internal predecessors, (1199), 167 states have call successors, (167), 29 states have call predecessors, (167), 33 states have return successors, (188), 165 states have call predecessors, (188), 166 states have call successors, (188) [2024-10-24 00:55:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1554 transitions. [2024-10-24 00:55:41,772 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1554 transitions. Word has length 156 [2024-10-24 00:55:41,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:41,773 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1554 transitions. [2024-10-24 00:55:41,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-10-24 00:55:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1554 transitions. [2024-10-24 00:55:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-24 00:55:41,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:41,779 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:41,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 00:55:41,979 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 [2024-10-24 00:55:41,980 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:41,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:41,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1703905775, now seen corresponding path program 1 times [2024-10-24 00:55:41,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:41,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145239841] [2024-10-24 00:55:41,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:41,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:55:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:55:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:55:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:55:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:55:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:55:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:55:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:55:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:55:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 00:55:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 00:55:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 00:55:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 00:55:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-24 00:55:42,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:42,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145239841] [2024-10-24 00:55:42,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145239841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:42,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:42,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:55:42,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999624646] [2024-10-24 00:55:42,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:42,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:55:42,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:42,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:55:42,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:55:42,192 INFO L87 Difference]: Start difference. First operand 932 states and 1554 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 00:55:43,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:43,949 INFO L93 Difference]: Finished difference Result 2398 states and 4100 transitions. [2024-10-24 00:55:43,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:55:43,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-10-24 00:55:43,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:43,959 INFO L225 Difference]: With dead ends: 2398 [2024-10-24 00:55:43,960 INFO L226 Difference]: Without dead ends: 1534 [2024-10-24 00:55:43,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:55:43,963 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1793 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 2437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 730 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:43,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 922 Invalid, 2437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [730 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:55:43,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2024-10-24 00:55:44,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1334. [2024-10-24 00:55:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1054 states have (on average 1.6565464895635673) internal successors, (1746), 1062 states have internal predecessors, (1746), 246 states have call successors, (246), 29 states have call predecessors, (246), 33 states have return successors, (277), 244 states have call predecessors, (277), 245 states have call successors, (277) [2024-10-24 00:55:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 2269 transitions. [2024-10-24 00:55:44,036 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 2269 transitions. Word has length 160 [2024-10-24 00:55:44,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:44,036 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 2269 transitions. [2024-10-24 00:55:44,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 00:55:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2269 transitions. [2024-10-24 00:55:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-24 00:55:44,044 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:44,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:44,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 00:55:44,045 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:44,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1511546111, now seen corresponding path program 1 times [2024-10-24 00:55:44,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:44,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939945992] [2024-10-24 00:55:44,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:55:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:55:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:55:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:55:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:55:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:55:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:55:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:55:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 00:55:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 00:55:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:44,179 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:55:44,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:44,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939945992] [2024-10-24 00:55:44,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939945992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:44,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:44,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:55:44,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201684055] [2024-10-24 00:55:44,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:44,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:55:44,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:44,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:55:44,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:55:44,181 INFO L87 Difference]: Start difference. First operand 1334 states and 2269 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:45,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:45,775 INFO L93 Difference]: Finished difference Result 3401 states and 5877 transitions. [2024-10-24 00:55:45,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:55:45,775 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-10-24 00:55:45,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:45,788 INFO L225 Difference]: With dead ends: 3401 [2024-10-24 00:55:45,788 INFO L226 Difference]: Without dead ends: 2185 [2024-10-24 00:55:45,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:55:45,793 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1726 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 687 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:45,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 922 Invalid, 2499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:55:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2024-10-24 00:55:45,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 1985. [2024-10-24 00:55:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1586 states have (on average 1.665825977301387) internal successors, (2642), 1594 states have internal predecessors, (2642), 365 states have call successors, (365), 29 states have call predecessors, (365), 33 states have return successors, (396), 363 states have call predecessors, (396), 364 states have call successors, (396) [2024-10-24 00:55:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 3403 transitions. [2024-10-24 00:55:45,898 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 3403 transitions. Word has length 143 [2024-10-24 00:55:45,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:45,899 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 3403 transitions. [2024-10-24 00:55:45,899 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 3403 transitions. [2024-10-24 00:55:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-24 00:55:45,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:45,909 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:45,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 00:55:45,910 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:45,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:45,910 INFO L85 PathProgramCache]: Analyzing trace with hash 949279476, now seen corresponding path program 1 times [2024-10-24 00:55:45,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:45,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135831234] [2024-10-24 00:55:45,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:45,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:45,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:45,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:45,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:55:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:55:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:55:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:55:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:55:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:55:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 00:55:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 00:55:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 00:55:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 00:55:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:55:46,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:46,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135831234] [2024-10-24 00:55:46,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135831234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:46,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:46,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:55:46,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698579032] [2024-10-24 00:55:46,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:46,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:55:46,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:46,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:55:46,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:55:46,057 INFO L87 Difference]: Start difference. First operand 1985 states and 3403 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:47,724 INFO L93 Difference]: Finished difference Result 4925 states and 8595 transitions. [2024-10-24 00:55:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:55:47,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2024-10-24 00:55:47,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:47,746 INFO L225 Difference]: With dead ends: 4925 [2024-10-24 00:55:47,747 INFO L226 Difference]: Without dead ends: 3186 [2024-10-24 00:55:47,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:55:47,756 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1662 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 659 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:47,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 911 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [659 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:55:47,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2024-10-24 00:55:47,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2986. [2024-10-24 00:55:47,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2425 states have (on average 1.6734020618556702) internal successors, (4058), 2433 states have internal predecessors, (4058), 527 states have call successors, (527), 29 states have call predecessors, (527), 33 states have return successors, (574), 525 states have call predecessors, (574), 526 states have call successors, (574) [2024-10-24 00:55:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 5159 transitions. [2024-10-24 00:55:47,915 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 5159 transitions. Word has length 144 [2024-10-24 00:55:47,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:47,915 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 5159 transitions. [2024-10-24 00:55:47,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 5159 transitions. [2024-10-24 00:55:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-24 00:55:47,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:47,929 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:47,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 00:55:47,930 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:47,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:47,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1629891806, now seen corresponding path program 1 times [2024-10-24 00:55:47,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:47,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254006038] [2024-10-24 00:55:47,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:47,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:47,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:55:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:55:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:55:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:55:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-24 00:55:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:55:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 00:55:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 00:55:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 00:55:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 00:55:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:55:48,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:48,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254006038] [2024-10-24 00:55:48,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254006038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:48,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:48,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:55:48,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593852586] [2024-10-24 00:55:48,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:48,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:55:48,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:48,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:55:48,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:55:48,057 INFO L87 Difference]: Start difference. First operand 2986 states and 5159 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:49,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:49,871 INFO L93 Difference]: Finished difference Result 7337 states and 12908 transitions. [2024-10-24 00:55:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:55:49,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2024-10-24 00:55:49,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:49,895 INFO L225 Difference]: With dead ends: 7337 [2024-10-24 00:55:49,895 INFO L226 Difference]: Without dead ends: 4806 [2024-10-24 00:55:49,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:55:49,903 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1726 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 662 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:49,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 913 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [662 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:55:49,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2024-10-24 00:55:50,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4606. [2024-10-24 00:55:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4606 states, 3800 states have (on average 1.6789473684210525) internal successors, (6380), 3808 states have internal predecessors, (6380), 772 states have call successors, (772), 29 states have call predecessors, (772), 33 states have return successors, (845), 770 states have call predecessors, (845), 771 states have call successors, (845) [2024-10-24 00:55:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4606 states to 4606 states and 7997 transitions. [2024-10-24 00:55:50,116 INFO L78 Accepts]: Start accepts. Automaton has 4606 states and 7997 transitions. Word has length 145 [2024-10-24 00:55:50,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:50,117 INFO L471 AbstractCegarLoop]: Abstraction has 4606 states and 7997 transitions. [2024-10-24 00:55:50,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:50,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4606 states and 7997 transitions. [2024-10-24 00:55:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-24 00:55:50,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:50,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:50,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 00:55:50,145 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:50,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:50,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2119403368, now seen corresponding path program 1 times [2024-10-24 00:55:50,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:50,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530276707] [2024-10-24 00:55:50,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:50,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:55:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:55:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:55:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:55:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:55:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:55:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 00:55:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 00:55:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 00:55:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 00:55:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:55:50,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:50,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530276707] [2024-10-24 00:55:50,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530276707] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:50,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:50,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:55:50,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934399573] [2024-10-24 00:55:50,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:50,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:55:50,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:50,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:55:50,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:55:50,269 INFO L87 Difference]: Start difference. First operand 4606 states and 7997 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:52,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:52,236 INFO L93 Difference]: Finished difference Result 11414 states and 20161 transitions. [2024-10-24 00:55:52,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:55:52,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-10-24 00:55:52,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:52,307 INFO L225 Difference]: With dead ends: 11414 [2024-10-24 00:55:52,307 INFO L226 Difference]: Without dead ends: 7566 [2024-10-24 00:55:52,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:55:52,319 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1686 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1817 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 1817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:52,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 928 Invalid, 2498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 1817 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 00:55:52,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2024-10-24 00:55:52,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7366. [2024-10-24 00:55:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7366 states, 6067 states have (on average 1.673973957474864) internal successors, (10156), 6075 states have internal predecessors, (10156), 1265 states have call successors, (1265), 29 states have call predecessors, (1265), 33 states have return successors, (1382), 1263 states have call predecessors, (1382), 1264 states have call successors, (1382) [2024-10-24 00:55:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7366 states to 7366 states and 12803 transitions. [2024-10-24 00:55:52,622 INFO L78 Accepts]: Start accepts. Automaton has 7366 states and 12803 transitions. Word has length 146 [2024-10-24 00:55:52,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:52,624 INFO L471 AbstractCegarLoop]: Abstraction has 7366 states and 12803 transitions. [2024-10-24 00:55:52,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 7366 states and 12803 transitions. [2024-10-24 00:55:52,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-24 00:55:52,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:52,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:52,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 00:55:52,652 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:52,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:52,653 INFO L85 PathProgramCache]: Analyzing trace with hash 694331194, now seen corresponding path program 1 times [2024-10-24 00:55:52,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:52,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603360471] [2024-10-24 00:55:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:52,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:55:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:55:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:55:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:55:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:55:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:55:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 00:55:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 00:55:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 00:55:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 00:55:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:55:52,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:52,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603360471] [2024-10-24 00:55:52,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603360471] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:52,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:52,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:55:52,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698301229] [2024-10-24 00:55:52,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:52,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:55:52,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:52,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:55:52,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:55:52,775 INFO L87 Difference]: Start difference. First operand 7366 states and 12803 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:54,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:54,722 INFO L93 Difference]: Finished difference Result 18773 states and 33181 transitions. [2024-10-24 00:55:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:55:54,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2024-10-24 00:55:54,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:54,778 INFO L225 Difference]: With dead ends: 18773 [2024-10-24 00:55:54,778 INFO L226 Difference]: Without dead ends: 12551 [2024-10-24 00:55:54,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:55:54,799 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1670 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:54,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 920 Invalid, 2529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:55:54,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2024-10-24 00:55:55,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12351. [2024-10-24 00:55:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12351 states, 10230 states have (on average 1.6744868035190617) internal successors, (17130), 10238 states have internal predecessors, (17130), 2087 states have call successors, (2087), 29 states have call predecessors, (2087), 33 states have return successors, (2282), 2085 states have call predecessors, (2282), 2086 states have call successors, (2282) [2024-10-24 00:55:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12351 states to 12351 states and 21499 transitions. [2024-10-24 00:55:55,371 INFO L78 Accepts]: Start accepts. Automaton has 12351 states and 21499 transitions. Word has length 147 [2024-10-24 00:55:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:55,371 INFO L471 AbstractCegarLoop]: Abstraction has 12351 states and 21499 transitions. [2024-10-24 00:55:55,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:55:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 12351 states and 21499 transitions. [2024-10-24 00:55:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-24 00:55:55,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:55,401 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:55,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 00:55:55,401 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:55,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:55,401 INFO L85 PathProgramCache]: Analyzing trace with hash 809414777, now seen corresponding path program 1 times [2024-10-24 00:55:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:55,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707814942] [2024-10-24 00:55:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:55,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:55:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:55:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:55:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:55:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:55:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:55:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:55:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:55:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 00:55:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 00:55:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 00:55:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 00:55:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 00:55:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:55,529 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-24 00:55:55,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:55,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707814942] [2024-10-24 00:55:55,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707814942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:55,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:55,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:55:55,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075592997] [2024-10-24 00:55:55,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:55,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:55:55,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:55,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:55:55,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:55:55,531 INFO L87 Difference]: Start difference. First operand 12351 states and 21499 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 00:55:57,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:55:57,531 INFO L93 Difference]: Finished difference Result 29739 states and 52364 transitions. [2024-10-24 00:55:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:55:57,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 166 [2024-10-24 00:55:57,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:55:57,611 INFO L225 Difference]: With dead ends: 29739 [2024-10-24 00:55:57,611 INFO L226 Difference]: Without dead ends: 19511 [2024-10-24 00:55:57,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:55:57,643 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1744 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 709 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:55:57,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 884 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [709 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:55:57,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19511 states. [2024-10-24 00:55:58,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19511 to 19311. [2024-10-24 00:55:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19311 states, 15987 states have (on average 1.6527803840620505) internal successors, (26423), 15995 states have internal predecessors, (26423), 3290 states have call successors, (3290), 29 states have call predecessors, (3290), 33 states have return successors, (3629), 3288 states have call predecessors, (3629), 3289 states have call successors, (3629) [2024-10-24 00:55:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19311 states to 19311 states and 33342 transitions. [2024-10-24 00:55:58,473 INFO L78 Accepts]: Start accepts. Automaton has 19311 states and 33342 transitions. Word has length 166 [2024-10-24 00:55:58,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:55:58,474 INFO L471 AbstractCegarLoop]: Abstraction has 19311 states and 33342 transitions. [2024-10-24 00:55:58,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 00:55:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 19311 states and 33342 transitions. [2024-10-24 00:55:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-24 00:55:58,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:55:58,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:55:58,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 00:55:58,513 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:55:58,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:55:58,514 INFO L85 PathProgramCache]: Analyzing trace with hash -813014535, now seen corresponding path program 1 times [2024-10-24 00:55:58,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:55:58,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921111036] [2024-10-24 00:55:58,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:55:58,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:55:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:55:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:55:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:55:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:55:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:55:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:55:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:55:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:55:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 00:55:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:55:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:55:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:55:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:55:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 00:55:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 00:55:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 00:55:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:55:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:55:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:55:58,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:55:58,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921111036] [2024-10-24 00:55:58,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921111036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:55:58,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:55:58,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:55:58,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484074081] [2024-10-24 00:55:58,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:55:58,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:55:58,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:55:58,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:55:58,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:55:58,649 INFO L87 Difference]: Start difference. First operand 19311 states and 33342 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:56:00,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:00,908 INFO L93 Difference]: Finished difference Result 51180 states and 89897 transitions. [2024-10-24 00:56:00,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:00,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-10-24 00:56:00,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:01,053 INFO L225 Difference]: With dead ends: 51180 [2024-10-24 00:56:01,053 INFO L226 Difference]: Without dead ends: 34640 [2024-10-24 00:56:01,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:01,104 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1754 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:01,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 909 Invalid, 2457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [707 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 00:56:01,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34640 states. [2024-10-24 00:56:02,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34640 to 34440. [2024-10-24 00:56:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34440 states, 28666 states have (on average 1.6503174492430057) internal successors, (47308), 28674 states have internal predecessors, (47308), 5740 states have call successors, (5740), 29 states have call predecessors, (5740), 33 states have return successors, (6353), 5738 states have call predecessors, (6353), 5739 states have call successors, (6353) [2024-10-24 00:56:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34440 states to 34440 states and 59401 transitions. [2024-10-24 00:56:02,807 INFO L78 Accepts]: Start accepts. Automaton has 34440 states and 59401 transitions. Word has length 149 [2024-10-24 00:56:02,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:02,808 INFO L471 AbstractCegarLoop]: Abstraction has 34440 states and 59401 transitions. [2024-10-24 00:56:02,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:56:02,808 INFO L276 IsEmpty]: Start isEmpty. Operand 34440 states and 59401 transitions. [2024-10-24 00:56:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 00:56:02,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:02,863 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:02,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 00:56:02,863 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:02,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:02,863 INFO L85 PathProgramCache]: Analyzing trace with hash -415493296, now seen corresponding path program 1 times [2024-10-24 00:56:02,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:02,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259198397] [2024-10-24 00:56:02,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:56:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:56:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:56:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:56:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:56:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:56:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 00:56:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 00:56:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 00:56:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 00:56:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:56:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:56:02,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:02,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259198397] [2024-10-24 00:56:02,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259198397] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:02,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:02,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:02,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958078316] [2024-10-24 00:56:02,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:02,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:02,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:02,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:02,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:02,973 INFO L87 Difference]: Start difference. First operand 34440 states and 59401 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:56:06,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:06,421 INFO L93 Difference]: Finished difference Result 94062 states and 164491 transitions. [2024-10-24 00:56:06,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:06,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-10-24 00:56:06,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:06,861 INFO L225 Difference]: With dead ends: 94062 [2024-10-24 00:56:06,865 INFO L226 Difference]: Without dead ends: 63316 [2024-10-24 00:56:06,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:06,952 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1744 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 717 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 717 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:06,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 932 Invalid, 2503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [717 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 00:56:06,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63316 states. [2024-10-24 00:56:09,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63316 to 63116. [2024-10-24 00:56:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63116 states, 52829 states have (on average 1.6468227677979896) internal successors, (87000), 52837 states have internal predecessors, (87000), 10253 states have call successors, (10253), 29 states have call predecessors, (10253), 33 states have return successors, (11398), 10251 states have call predecessors, (11398), 10252 states have call successors, (11398) [2024-10-24 00:56:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63116 states to 63116 states and 108651 transitions. [2024-10-24 00:56:09,612 INFO L78 Accepts]: Start accepts. Automaton has 63116 states and 108651 transitions. Word has length 150 [2024-10-24 00:56:09,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:09,615 INFO L471 AbstractCegarLoop]: Abstraction has 63116 states and 108651 transitions. [2024-10-24 00:56:09,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:56:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 63116 states and 108651 transitions. [2024-10-24 00:56:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 00:56:10,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:10,080 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:10,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 00:56:10,080 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:10,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:10,081 INFO L85 PathProgramCache]: Analyzing trace with hash -769842567, now seen corresponding path program 1 times [2024-10-24 00:56:10,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:10,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538414711] [2024-10-24 00:56:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:10,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:56:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:56:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:56:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:56:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:56:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:56:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 00:56:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 00:56:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 00:56:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 00:56:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:56:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 00:56:10,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:10,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538414711] [2024-10-24 00:56:10,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538414711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:10,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:10,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:56:10,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578380028] [2024-10-24 00:56:10,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:10,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:56:10,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:10,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:56:10,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:56:10,271 INFO L87 Difference]: Start difference. First operand 63116 states and 108651 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:56:14,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:14,079 INFO L93 Difference]: Finished difference Result 118442 states and 207643 transitions. [2024-10-24 00:56:14,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:56:14,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-10-24 00:56:14,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:56:14,616 INFO L225 Difference]: With dead ends: 118442 [2024-10-24 00:56:14,617 INFO L226 Difference]: Without dead ends: 118202 [2024-10-24 00:56:14,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:56:14,681 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1696 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 687 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:56:14,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 923 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:56:14,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118202 states. [2024-10-24 00:56:18,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118202 to 118002. [2024-10-24 00:56:18,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118002 states, 99347 states have (on average 1.6422237208974604) internal successors, (163150), 99355 states have internal predecessors, (163150), 18621 states have call successors, (18621), 29 states have call predecessors, (18621), 33 states have return successors, (20812), 18619 states have call predecessors, (20812), 18620 states have call successors, (20812) [2024-10-24 00:56:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118002 states to 118002 states and 202583 transitions. [2024-10-24 00:56:19,519 INFO L78 Accepts]: Start accepts. Automaton has 118002 states and 202583 transitions. Word has length 151 [2024-10-24 00:56:19,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:56:19,519 INFO L471 AbstractCegarLoop]: Abstraction has 118002 states and 202583 transitions. [2024-10-24 00:56:19,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 00:56:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 118002 states and 202583 transitions. [2024-10-24 00:56:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-24 00:56:19,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:56:19,615 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:56:19,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 00:56:19,615 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:56:19,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:56:19,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1612798976, now seen corresponding path program 1 times [2024-10-24 00:56:19,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:56:19,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607849465] [2024-10-24 00:56:19,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:56:19,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:56:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:56:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:56:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:56:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:56:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:56:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:56:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:56:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:56:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:56:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:56:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:56:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:56:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 00:56:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 00:56:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 00:56:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 00:56:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 00:56:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 00:56:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 00:56:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 00:56:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:56:19,811 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-24 00:56:19,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:56:19,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607849465] [2024-10-24 00:56:19,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607849465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:56:19,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:56:19,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 00:56:19,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957636098] [2024-10-24 00:56:19,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:56:19,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 00:56:19,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:56:19,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 00:56:19,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:56:19,814 INFO L87 Difference]: Start difference. First operand 118002 states and 202583 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 7 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 00:56:28,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:56:28,011 INFO L93 Difference]: Finished difference Result 227324 states and 398078 transitions. [2024-10-24 00:56:28,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 00:56:28,011 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 7 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 170 [2024-10-24 00:56:28,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted.