./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f7652bf269245a8144605490a4a891295a82bf8357d2cf3971e290586b4e5c1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:54:07,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:54:07,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:54:07,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:54:07,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:54:07,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:54:07,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:54:07,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:54:07,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:54:07,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:54:07,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:54:07,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:54:07,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:54:07,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:54:07,584 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:54:07,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:54:07,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:54:07,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:54:07,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:54:07,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:54:07,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:54:07,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:54:07,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:54:07,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:54:07,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:54:07,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:54:07,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:54:07,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:54:07,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:54:07,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:54:07,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:54:07,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:54:07,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:54:07,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:54:07,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:54:07,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:54:07,591 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:54:07,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:54:07,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:54:07,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:54:07,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:54:07,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:54:07,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7652bf269245a8144605490a4a891295a82bf8357d2cf3971e290586b4e5c1 [2024-11-22 01:54:07,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:54:07,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:54:07,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:54:07,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:54:07,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:54:07,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c [2024-11-22 01:54:09,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:54:09,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:54:09,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c [2024-11-22 01:54:09,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25cf4acc/09b376eec65d41c39e5987e1e1e9c58f/FLAG814cb38c7 [2024-11-22 01:54:09,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25cf4acc/09b376eec65d41c39e5987e1e1e9c58f [2024-11-22 01:54:09,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:54:09,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:54:09,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:54:09,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:54:09,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:54:09,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:54:09" (1/1) ... [2024-11-22 01:54:09,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47683c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:09, skipping insertion in model container [2024-11-22 01:54:09,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:54:09" (1/1) ... [2024-11-22 01:54:09,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:54:10,011 WARN L250 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_spec27_product27.cil.c[57688,57701] [2024-11-22 01:54:10,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:54:10,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:54:10,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-22 01:54:10,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [167] [2024-11-22 01:54:10,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [533] [2024-11-22 01:54:10,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [937] [2024-11-22 01:54:10,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1170] [2024-11-22 01:54:10,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2250] [2024-11-22 01:54:10,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2558] [2024-11-22 01:54:10,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2593] [2024-11-22 01:54:10,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2602] [2024-11-22 01:54:10,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2633] [2024-11-22 01:54:10,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2650] [2024-11-22 01:54:10,182 WARN L250 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_spec27_product27.cil.c[57688,57701] [2024-11-22 01:54:10,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:54:10,231 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:54:10,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10 WrapperNode [2024-11-22 01:54:10,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:54:10,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:54:10,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:54:10,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:54:10,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,304 INFO L138 Inliner]: procedures = 133, calls = 209, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1083 [2024-11-22 01:54:10,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:54:10,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:54:10,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:54:10,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:54:10,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,328 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,363 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]. [2024-11-22 01:54:10,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:54:10,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:54:10,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:54:10,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:54:10,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (1/1) ... [2024-11-22 01:54:10,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:54:10,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:10,466 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) [2024-11-22 01:54:10,469 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 [2024-11-22 01:54:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 01:54:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 01:54:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 01:54:10,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 01:54:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:54:10,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:54:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:54:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:54:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:54:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:54:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:54:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:54:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 01:54:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 01:54:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-22 01:54:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-22 01:54:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 01:54:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 01:54:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:54:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:54:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-22 01:54:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-22 01:54:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:54:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:54:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:54:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-22 01:54:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-22 01:54:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 01:54:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 01:54:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 01:54:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 01:54:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 01:54:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 01:54:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:54:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:54:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-22 01:54:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-22 01:54:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-22 01:54:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-22 01:54:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:54:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:54:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 01:54:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 01:54:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:54:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:54:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:54:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:54:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 01:54:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 01:54:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 01:54:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 01:54:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 01:54:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 01:54:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:54:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:54:10,687 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:54:10,689 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:54:11,523 INFO L? ?]: Removed 561 outVars from TransFormulas that were not future-live. [2024-11-22 01:54:11,524 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:54:11,550 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:54:11,553 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:54:11,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:54:11 BoogieIcfgContainer [2024-11-22 01:54:11,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:54:11,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:54:11,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:54:11,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:54:11,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:54:09" (1/3) ... [2024-11-22 01:54:11,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a87e51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:54:11, skipping insertion in model container [2024-11-22 01:54:11,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:10" (2/3) ... [2024-11-22 01:54:11,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a87e51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:54:11, skipping insertion in model container [2024-11-22 01:54:11,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:54:11" (3/3) ... [2024-11-22 01:54:11,562 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product27.cil.c [2024-11-22 01:54:11,576 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:54:11,576 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:54:11,646 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:54:11,654 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;@622ade20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:54:11,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:54:11,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 323 states have (on average 1.5572755417956656) internal successors, (503), 326 states have internal predecessors, (503), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-22 01:54:11,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 01:54:11,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:11,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:11,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:11,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:11,690 INFO L85 PathProgramCache]: Analyzing trace with hash 323488961, now seen corresponding path program 1 times [2024-11-22 01:54:11,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:11,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744660609] [2024-11-22 01:54:11,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:11,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:12,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:12,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744660609] [2024-11-22 01:54:12,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744660609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:54:12,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403279409] [2024-11-22 01:54:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:12,358 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) [2024-11-22 01:54:12,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 01:54:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:12,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 01:54:12,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:54:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 01:54:12,702 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:54:12,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403279409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:12,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:54:12,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 01:54:12,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530006948] [2024-11-22 01:54:12,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:12,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:54:12,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:12,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:54:12,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:54:12,735 INFO L87 Difference]: Start difference. First operand has 411 states, 323 states have (on average 1.5572755417956656) internal successors, (503), 326 states have internal predecessors, (503), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:12,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:12,800 INFO L93 Difference]: Finished difference Result 624 states and 936 transitions. [2024-11-22 01:54:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:54:12,805 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2024-11-22 01:54:12,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:12,816 INFO L225 Difference]: With dead ends: 624 [2024-11-22 01:54:12,816 INFO L226 Difference]: Without dead ends: 404 [2024-11-22 01:54:12,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:54:12,824 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:12,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-22 01:54:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-22 01:54:12,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 317 states have (on average 1.5520504731861198) internal successors, (492), 319 states have internal predecessors, (492), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-22 01:54:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 615 transitions. [2024-11-22 01:54:12,904 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 615 transitions. Word has length 136 [2024-11-22 01:54:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:12,907 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 615 transitions. [2024-11-22 01:54:12,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 615 transitions. [2024-11-22 01:54:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-22 01:54:12,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:12,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:12,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 01:54:13,116 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 [2024-11-22 01:54:13,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:13,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:13,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1641268354, now seen corresponding path program 1 times [2024-11-22 01:54:13,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:13,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237737574] [2024-11-22 01:54:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:13,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:13,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:13,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237737574] [2024-11-22 01:54:13,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237737574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:54:13,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186901483] [2024-11-22 01:54:13,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:13,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:13,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:13,362 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) [2024-11-22 01:54:13,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 01:54:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:13,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:54:13,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:54:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 01:54:13,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:54:13,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186901483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:13,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:54:13,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:54:13,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267162951] [2024-11-22 01:54:13,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:13,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:13,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:13,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:13,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:54:13,706 INFO L87 Difference]: Start difference. First operand 404 states and 615 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:13,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:13,791 INFO L93 Difference]: Finished difference Result 614 states and 914 transitions. [2024-11-22 01:54:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:13,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 137 [2024-11-22 01:54:13,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:13,799 INFO L225 Difference]: With dead ends: 614 [2024-11-22 01:54:13,799 INFO L226 Difference]: Without dead ends: 407 [2024-11-22 01:54:13,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:54:13,801 INFO L432 NwaCegarLoop]: 613 mSDtfsCounter, 1 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:13,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1224 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:13,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-22 01:54:13,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 406. [2024-11-22 01:54:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 319 states have (on average 1.54858934169279) internal successors, (494), 321 states have internal predecessors, (494), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-22 01:54:13,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 617 transitions. [2024-11-22 01:54:13,843 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 617 transitions. Word has length 137 [2024-11-22 01:54:13,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:13,844 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 617 transitions. [2024-11-22 01:54:13,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:13,846 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 617 transitions. [2024-11-22 01:54:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-22 01:54:13,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:13,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:13,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 01:54:14,049 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 [2024-11-22 01:54:14,050 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:14,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:14,051 INFO L85 PathProgramCache]: Analyzing trace with hash -622936648, now seen corresponding path program 1 times [2024-11-22 01:54:14,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:14,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655434518] [2024-11-22 01:54:14,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:14,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:54:14,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:14,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655434518] [2024-11-22 01:54:14,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655434518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:54:14,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941292559] [2024-11-22 01:54:14,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:14,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:14,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:14,271 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) [2024-11-22 01:54:14,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 01:54:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:14,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:54:14,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:54:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 01:54:14,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:54:14,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941292559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:14,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:54:14,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:54:14,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836195908] [2024-11-22 01:54:14,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:14,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:14,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:14,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:14,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:54:14,565 INFO L87 Difference]: Start difference. First operand 406 states and 617 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:14,603 INFO L93 Difference]: Finished difference Result 865 states and 1334 transitions. [2024-11-22 01:54:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:14,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2024-11-22 01:54:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:14,608 INFO L225 Difference]: With dead ends: 865 [2024-11-22 01:54:14,608 INFO L226 Difference]: Without dead ends: 486 [2024-11-22 01:54:14,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:54:14,610 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 142 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:14,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1195 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:14,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-22 01:54:14,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 478. [2024-11-22 01:54:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 377 states have (on average 1.5676392572944298) internal successors, (591), 379 states have internal predecessors, (591), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-22 01:54:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 742 transitions. [2024-11-22 01:54:14,635 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 742 transitions. Word has length 146 [2024-11-22 01:54:14,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:14,636 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 742 transitions. [2024-11-22 01:54:14,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:14,637 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 742 transitions. [2024-11-22 01:54:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 01:54:14,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:14,642 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:14,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 01:54:14,842 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 [2024-11-22 01:54:14,843 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:14,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:14,843 INFO L85 PathProgramCache]: Analyzing trace with hash -65998315, now seen corresponding path program 1 times [2024-11-22 01:54:14,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:14,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206788470] [2024-11-22 01:54:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:54:14,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:14,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206788470] [2024-11-22 01:54:14,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206788470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:54:14,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96671407] [2024-11-22 01:54:14,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:14,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:14,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:14,996 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) [2024-11-22 01:54:14,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 01:54:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:15,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:54:15,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:54:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 01:54:15,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:54:15,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96671407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:15,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:54:15,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:54:15,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56254725] [2024-11-22 01:54:15,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:15,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:54:15,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:15,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:54:15,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:54:15,315 INFO L87 Difference]: Start difference. First operand 478 states and 742 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:54:15,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:15,375 INFO L93 Difference]: Finished difference Result 947 states and 1474 transitions. [2024-11-22 01:54:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:54:15,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2024-11-22 01:54:15,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:15,379 INFO L225 Difference]: With dead ends: 947 [2024-11-22 01:54:15,379 INFO L226 Difference]: Without dead ends: 480 [2024-11-22 01:54:15,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:54:15,383 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 2 mSDsluCounter, 1810 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:15,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2417 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:15,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-22 01:54:15,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2024-11-22 01:54:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 378 states have (on average 1.566137566137566) internal successors, (592), 381 states have internal predecessors, (592), 76 states have call successors, (76), 24 states have call predecessors, (76), 25 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2024-11-22 01:54:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 745 transitions. [2024-11-22 01:54:15,409 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 745 transitions. Word has length 147 [2024-11-22 01:54:15,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:15,409 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 745 transitions. [2024-11-22 01:54:15,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:54:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 745 transitions. [2024-11-22 01:54:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-22 01:54:15,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:15,413 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:15,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 01:54:15,613 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 [2024-11-22 01:54:15,614 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:15,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:15,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2108094788, now seen corresponding path program 1 times [2024-11-22 01:54:15,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:15,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466709153] [2024-11-22 01:54:15,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 01:54:15,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:15,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466709153] [2024-11-22 01:54:15,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466709153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:54:15,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614749221] [2024-11-22 01:54:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:15,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:15,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:15,772 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) [2024-11-22 01:54:15,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 01:54:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:16,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:54:16,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:54:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 01:54:16,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:54:16,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614749221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:16,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:54:16,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-22 01:54:16,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388313228] [2024-11-22 01:54:16,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:16,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:54:16,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:16,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:54:16,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:54:16,061 INFO L87 Difference]: Start difference. First operand 480 states and 745 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 01:54:16,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:16,112 INFO L93 Difference]: Finished difference Result 949 states and 1479 transitions. [2024-11-22 01:54:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:54:16,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 129 [2024-11-22 01:54:16,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:16,116 INFO L225 Difference]: With dead ends: 949 [2024-11-22 01:54:16,116 INFO L226 Difference]: Without dead ends: 482 [2024-11-22 01:54:16,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:54:16,118 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 2 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2403 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:16,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2403 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-22 01:54:16,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2024-11-22 01:54:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 379 states have (on average 1.5646437994722955) internal successors, (593), 383 states have internal predecessors, (593), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-22 01:54:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 751 transitions. [2024-11-22 01:54:16,138 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 751 transitions. Word has length 129 [2024-11-22 01:54:16,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:16,139 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 751 transitions. [2024-11-22 01:54:16,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 01:54:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 751 transitions. [2024-11-22 01:54:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 01:54:16,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:16,142 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:16,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 01:54:16,342 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 [2024-11-22 01:54:16,343 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:16,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:16,343 INFO L85 PathProgramCache]: Analyzing trace with hash 339118270, now seen corresponding path program 1 times [2024-11-22 01:54:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:16,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089384081] [2024-11-22 01:54:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:54:16,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:16,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089384081] [2024-11-22 01:54:16,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089384081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:16,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:16,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:54:16,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941882360] [2024-11-22 01:54:16,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:16,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:54:16,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:16,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:54:16,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:54:16,478 INFO L87 Difference]: Start difference. First operand 482 states and 751 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 01:54:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:16,523 INFO L93 Difference]: Finished difference Result 941 states and 1470 transitions. [2024-11-22 01:54:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:54:16,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2024-11-22 01:54:16,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:16,527 INFO L225 Difference]: With dead ends: 941 [2024-11-22 01:54:16,528 INFO L226 Difference]: Without dead ends: 482 [2024-11-22 01:54:16,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:54:16,531 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 2 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2421 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:16,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2421 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:16,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-22 01:54:16,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2024-11-22 01:54:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 379 states have (on average 1.5646437994722955) internal successors, (593), 383 states have internal predecessors, (593), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2024-11-22 01:54:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 750 transitions. [2024-11-22 01:54:16,551 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 750 transitions. Word has length 130 [2024-11-22 01:54:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:16,556 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 750 transitions. [2024-11-22 01:54:16,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 01:54:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 750 transitions. [2024-11-22 01:54:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-22 01:54:16,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:16,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:16,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:54:16,559 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:16,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:16,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1328359571, now seen corresponding path program 1 times [2024-11-22 01:54:16,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:16,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142839084] [2024-11-22 01:54:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:54:16,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:16,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142839084] [2024-11-22 01:54:16,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142839084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:16,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:16,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:54:16,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256094833] [2024-11-22 01:54:16,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:16,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:54:16,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:16,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:54:16,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:54:16,693 INFO L87 Difference]: Start difference. First operand 482 states and 750 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:54:16,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:16,732 INFO L93 Difference]: Finished difference Result 943 states and 1473 transitions. [2024-11-22 01:54:16,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:54:16,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-22 01:54:16,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:16,735 INFO L225 Difference]: With dead ends: 943 [2024-11-22 01:54:16,735 INFO L226 Difference]: Without dead ends: 484 [2024-11-22 01:54:16,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:54:16,737 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 1 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:16,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2424 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:16,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-22 01:54:16,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2024-11-22 01:54:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 380 states have (on average 1.563157894736842) internal successors, (594), 385 states have internal predecessors, (594), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-22 01:54:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 753 transitions. [2024-11-22 01:54:16,753 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 753 transitions. Word has length 150 [2024-11-22 01:54:16,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:16,753 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 753 transitions. [2024-11-22 01:54:16,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:54:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 753 transitions. [2024-11-22 01:54:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 01:54:16,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:16,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:16,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 01:54:16,756 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:16,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:16,757 INFO L85 PathProgramCache]: Analyzing trace with hash -641560083, now seen corresponding path program 1 times [2024-11-22 01:54:16,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:16,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379868949] [2024-11-22 01:54:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:16,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 01:54:16,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:16,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379868949] [2024-11-22 01:54:16,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379868949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:16,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:16,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:54:16,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650039690] [2024-11-22 01:54:16,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:16,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:54:16,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:16,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:54:16,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:54:16,913 INFO L87 Difference]: Start difference. First operand 484 states and 753 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-22 01:54:17,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:17,023 INFO L93 Difference]: Finished difference Result 945 states and 1472 transitions. [2024-11-22 01:54:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:54:17,023 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 151 [2024-11-22 01:54:17,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:17,026 INFO L225 Difference]: With dead ends: 945 [2024-11-22 01:54:17,026 INFO L226 Difference]: Without dead ends: 486 [2024-11-22 01:54:17,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 01:54:17,028 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 7 mSDsluCounter, 3565 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4164 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:17,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4164 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:54:17,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-22 01:54:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2024-11-22 01:54:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 382 states have (on average 1.5602094240837696) internal successors, (596), 386 states have internal predecessors, (596), 76 states have call successors, (76), 25 states have call predecessors, (76), 27 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-22 01:54:17,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 754 transitions. [2024-11-22 01:54:17,040 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 754 transitions. Word has length 151 [2024-11-22 01:54:17,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:17,041 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 754 transitions. [2024-11-22 01:54:17,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-22 01:54:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 754 transitions. [2024-11-22 01:54:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-22 01:54:17,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:17,043 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:17,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 01:54:17,043 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:17,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:17,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1935420599, now seen corresponding path program 1 times [2024-11-22 01:54:17,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:17,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93726251] [2024-11-22 01:54:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:17,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 01:54:17,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:17,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93726251] [2024-11-22 01:54:17,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93726251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:17,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:17,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:54:17,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174114082] [2024-11-22 01:54:17,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:17,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:54:17,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:17,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:54:17,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:54:17,170 INFO L87 Difference]: Start difference. First operand 486 states and 754 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-22 01:54:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:17,280 INFO L93 Difference]: Finished difference Result 948 states and 1479 transitions. [2024-11-22 01:54:17,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:54:17,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 133 [2024-11-22 01:54:17,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:17,284 INFO L225 Difference]: With dead ends: 948 [2024-11-22 01:54:17,284 INFO L226 Difference]: Without dead ends: 489 [2024-11-22 01:54:17,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 01:54:17,286 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 5 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4178 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:17,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4178 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:54:17,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-22 01:54:17,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-22 01:54:17,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 384 states have (on average 1.5572916666666667) internal successors, (598), 389 states have internal predecessors, (598), 76 states have call successors, (76), 25 states have call predecessors, (76), 28 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2024-11-22 01:54:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 761 transitions. [2024-11-22 01:54:17,300 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 761 transitions. Word has length 133 [2024-11-22 01:54:17,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:17,301 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 761 transitions. [2024-11-22 01:54:17,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-22 01:54:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 761 transitions. [2024-11-22 01:54:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-22 01:54:17,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:17,304 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:17,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 01:54:17,319 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:17,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:17,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1749619628, now seen corresponding path program 1 times [2024-11-22 01:54:17,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:17,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240536980] [2024-11-22 01:54:17,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 01:54:17,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:17,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240536980] [2024-11-22 01:54:17,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240536980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:54:17,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464635673] [2024-11-22 01:54:17,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:17,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:17,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:17,497 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) [2024-11-22 01:54:17,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 01:54:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:17,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:54:17,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:54:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:17,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:54:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:17,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464635673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:54:17,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:54:17,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-11-22 01:54:17,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546594468] [2024-11-22 01:54:17,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:54:17,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 01:54:17,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:17,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 01:54:17,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:54:17,878 INFO L87 Difference]: Start difference. First operand 489 states and 761 transitions. Second operand has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-22 01:54:18,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:18,463 INFO L93 Difference]: Finished difference Result 1415 states and 2294 transitions. [2024-11-22 01:54:18,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 01:54:18,463 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 134 [2024-11-22 01:54:18,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:18,468 INFO L225 Difference]: With dead ends: 1415 [2024-11-22 01:54:18,468 INFO L226 Difference]: Without dead ends: 958 [2024-11-22 01:54:18,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-22 01:54:18,470 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 1485 mSDsluCounter, 3774 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 4381 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:18,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 4381 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 01:54:18,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-22 01:54:18,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 934. [2024-11-22 01:54:18,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 934 states, 750 states have (on average 1.608) internal successors, (1206), 754 states have internal predecessors, (1206), 155 states have call successors, (155), 26 states have call predecessors, (155), 28 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2024-11-22 01:54:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1537 transitions. [2024-11-22 01:54:18,499 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1537 transitions. Word has length 134 [2024-11-22 01:54:18,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:18,500 INFO L471 AbstractCegarLoop]: Abstraction has 934 states and 1537 transitions. [2024-11-22 01:54:18,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-22 01:54:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1537 transitions. [2024-11-22 01:54:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-22 01:54:18,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:18,504 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:54:18,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 01:54:18,705 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 [2024-11-22 01:54:18,706 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:18,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:18,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1550917468, now seen corresponding path program 1 times [2024-11-22 01:54:18,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:18,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436340425] [2024-11-22 01:54:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:18,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:18,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436340425] [2024-11-22 01:54:18,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436340425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:18,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:18,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:18,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118188547] [2024-11-22 01:54:18,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:18,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:18,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:18,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:18,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:18,768 INFO L87 Difference]: Start difference. First operand 934 states and 1537 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:18,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:18,805 INFO L93 Difference]: Finished difference Result 2208 states and 3692 transitions. [2024-11-22 01:54:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:18,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2024-11-22 01:54:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:18,814 INFO L225 Difference]: With dead ends: 2208 [2024-11-22 01:54:18,814 INFO L226 Difference]: Without dead ends: 1357 [2024-11-22 01:54:18,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:18,819 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 139 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:18,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1225 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:18,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2024-11-22 01:54:18,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1349. [2024-11-22 01:54:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1086 states have (on average 1.6261510128913443) internal successors, (1766), 1090 states have internal predecessors, (1766), 234 states have call successors, (234), 26 states have call predecessors, (234), 28 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2024-11-22 01:54:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2265 transitions. [2024-11-22 01:54:18,869 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2265 transitions. Word has length 137 [2024-11-22 01:54:18,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:18,869 INFO L471 AbstractCegarLoop]: Abstraction has 1349 states and 2265 transitions. [2024-11-22 01:54:18,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2265 transitions. [2024-11-22 01:54:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 01:54:18,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:18,876 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, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:18,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 01:54:18,876 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:18,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash -757323978, now seen corresponding path program 1 times [2024-11-22 01:54:18,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:18,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727328216] [2024-11-22 01:54:18,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:54:18,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:18,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727328216] [2024-11-22 01:54:18,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727328216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:18,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:18,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:18,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037592839] [2024-11-22 01:54:18,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:18,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:18,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:18,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:18,944 INFO L87 Difference]: Start difference. First operand 1349 states and 2265 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:18,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:18,999 INFO L93 Difference]: Finished difference Result 3247 states and 5489 transitions. [2024-11-22 01:54:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:19,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-11-22 01:54:19,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:19,014 INFO L225 Difference]: With dead ends: 3247 [2024-11-22 01:54:19,014 INFO L226 Difference]: Without dead ends: 2034 [2024-11-22 01:54:19,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:19,020 INFO L432 NwaCegarLoop]: 613 mSDtfsCounter, 137 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:19,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1220 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:19,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2024-11-22 01:54:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2026. [2024-11-22 01:54:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1644 states have (on average 1.635036496350365) internal successors, (2688), 1648 states have internal predecessors, (2688), 353 states have call successors, (353), 26 states have call predecessors, (353), 28 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2024-11-22 01:54:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 3425 transitions. [2024-11-22 01:54:19,116 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 3425 transitions. Word has length 157 [2024-11-22 01:54:19,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:19,116 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 3425 transitions. [2024-11-22 01:54:19,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3425 transitions. [2024-11-22 01:54:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 01:54:19,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:19,126 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:19,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 01:54:19,126 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:19,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:19,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1096459884, now seen corresponding path program 1 times [2024-11-22 01:54:19,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:19,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738320960] [2024-11-22 01:54:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:54:19,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:19,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738320960] [2024-11-22 01:54:19,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738320960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:19,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:19,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:19,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478807076] [2024-11-22 01:54:19,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:19,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:19,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:19,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:19,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:19,180 INFO L87 Difference]: Start difference. First operand 2026 states and 3425 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:19,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:19,250 INFO L93 Difference]: Finished difference Result 4832 states and 8234 transitions. [2024-11-22 01:54:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:19,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-11-22 01:54:19,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:19,266 INFO L225 Difference]: With dead ends: 4832 [2024-11-22 01:54:19,267 INFO L226 Difference]: Without dead ends: 3077 [2024-11-22 01:54:19,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:19,275 INFO L432 NwaCegarLoop]: 613 mSDtfsCounter, 135 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:19,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1217 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:19,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3077 states. [2024-11-22 01:54:19,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3077 to 3069. [2024-11-22 01:54:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3069 states, 2525 states have (on average 1.6419801980198019) internal successors, (4146), 2529 states have internal predecessors, (4146), 515 states have call successors, (515), 26 states have call predecessors, (515), 28 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2024-11-22 01:54:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 5223 transitions. [2024-11-22 01:54:19,436 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 5223 transitions. Word has length 158 [2024-11-22 01:54:19,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:19,436 INFO L471 AbstractCegarLoop]: Abstraction has 3069 states and 5223 transitions. [2024-11-22 01:54:19,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 5223 transitions. [2024-11-22 01:54:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-22 01:54:19,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:19,448 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:54:19,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:54:19,448 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:19,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:19,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1803601009, now seen corresponding path program 1 times [2024-11-22 01:54:19,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:19,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142231972] [2024-11-22 01:54:19,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:19,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:19,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:19,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142231972] [2024-11-22 01:54:19,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142231972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:19,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:19,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:19,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342409771] [2024-11-22 01:54:19,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:19,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:19,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:19,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:19,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:19,498 INFO L87 Difference]: Start difference. First operand 3069 states and 5223 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:19,597 INFO L93 Difference]: Finished difference Result 7346 states and 12592 transitions. [2024-11-22 01:54:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:19,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2024-11-22 01:54:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:19,621 INFO L225 Difference]: With dead ends: 7346 [2024-11-22 01:54:19,622 INFO L226 Difference]: Without dead ends: 4767 [2024-11-22 01:54:19,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:19,632 INFO L432 NwaCegarLoop]: 613 mSDtfsCounter, 133 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:19,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1217 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:19,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4767 states. [2024-11-22 01:54:19,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4767 to 4759. [2024-11-22 01:54:19,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 3970 states have (on average 1.6468513853904283) internal successors, (6538), 3974 states have internal predecessors, (6538), 760 states have call successors, (760), 26 states have call predecessors, (760), 28 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2024-11-22 01:54:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 8131 transitions. [2024-11-22 01:54:19,906 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 8131 transitions. Word has length 140 [2024-11-22 01:54:19,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:19,907 INFO L471 AbstractCegarLoop]: Abstraction has 4759 states and 8131 transitions. [2024-11-22 01:54:19,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 8131 transitions. [2024-11-22 01:54:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-22 01:54:19,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:19,925 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:54:19,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 01:54:19,925 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:19,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:19,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1074819986, now seen corresponding path program 1 times [2024-11-22 01:54:19,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:19,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575919592] [2024-11-22 01:54:19,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:19,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:19,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:19,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575919592] [2024-11-22 01:54:19,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575919592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:19,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:19,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:19,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972689358] [2024-11-22 01:54:19,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:19,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:19,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:19,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:19,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:19,978 INFO L87 Difference]: Start difference. First operand 4759 states and 8131 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:20,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:20,179 INFO L93 Difference]: Finished difference Result 11547 states and 19869 transitions. [2024-11-22 01:54:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:20,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2024-11-22 01:54:20,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:20,214 INFO L225 Difference]: With dead ends: 11547 [2024-11-22 01:54:20,215 INFO L226 Difference]: Without dead ends: 7610 [2024-11-22 01:54:20,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:20,228 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 131 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:20,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1234 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7610 states. [2024-11-22 01:54:20,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7610 to 7602. [2024-11-22 01:54:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7602 states, 6320 states have (on average 1.6450949367088608) internal successors, (10397), 6324 states have internal predecessors, (10397), 1253 states have call successors, (1253), 26 states have call predecessors, (1253), 28 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2024-11-22 01:54:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7602 states to 7602 states and 13020 transitions. [2024-11-22 01:54:20,608 INFO L78 Accepts]: Start accepts. Automaton has 7602 states and 13020 transitions. Word has length 141 [2024-11-22 01:54:20,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:20,608 INFO L471 AbstractCegarLoop]: Abstraction has 7602 states and 13020 transitions. [2024-11-22 01:54:20,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 7602 states and 13020 transitions. [2024-11-22 01:54:20,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-22 01:54:20,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:20,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:20,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:54:20,635 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:20,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:20,635 INFO L85 PathProgramCache]: Analyzing trace with hash -204891983, now seen corresponding path program 1 times [2024-11-22 01:54:20,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:20,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774591626] [2024-11-22 01:54:20,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:20,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:20,697 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:54:20,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:20,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774591626] [2024-11-22 01:54:20,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774591626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:20,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:20,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:20,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329171667] [2024-11-22 01:54:20,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:20,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:20,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:20,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:20,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:20,699 INFO L87 Difference]: Start difference. First operand 7602 states and 13020 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:21,050 INFO L93 Difference]: Finished difference Result 19162 states and 33034 transitions. [2024-11-22 01:54:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:21,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-11-22 01:54:21,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:21,098 INFO L225 Difference]: With dead ends: 19162 [2024-11-22 01:54:21,098 INFO L226 Difference]: Without dead ends: 12784 [2024-11-22 01:54:21,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:21,120 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 129 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:21,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1224 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:21,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12784 states. [2024-11-22 01:54:21,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12784 to 12776. [2024-11-22 01:54:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12776 states, 10672 states have (on average 1.6454272863568216) internal successors, (17560), 10676 states have internal predecessors, (17560), 2075 states have call successors, (2075), 26 states have call predecessors, (2075), 28 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2024-11-22 01:54:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12776 states to 12776 states and 21905 transitions. [2024-11-22 01:54:21,756 INFO L78 Accepts]: Start accepts. Automaton has 12776 states and 21905 transitions. Word has length 161 [2024-11-22 01:54:21,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:21,757 INFO L471 AbstractCegarLoop]: Abstraction has 12776 states and 21905 transitions. [2024-11-22 01:54:21,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 12776 states and 21905 transitions. [2024-11-22 01:54:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-22 01:54:21,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:21,798 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:54:21,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 01:54:21,799 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:21,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:21,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1961536668, now seen corresponding path program 1 times [2024-11-22 01:54:21,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:21,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592056145] [2024-11-22 01:54:21,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:21,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:21,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:21,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592056145] [2024-11-22 01:54:21,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592056145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:21,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:21,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:21,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683000811] [2024-11-22 01:54:21,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:21,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:21,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:21,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:21,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:21,869 INFO L87 Difference]: Start difference. First operand 12776 states and 21905 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:22,422 INFO L93 Difference]: Finished difference Result 30645 states and 52453 transitions. [2024-11-22 01:54:22,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:22,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 143 [2024-11-22 01:54:22,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:22,506 INFO L225 Difference]: With dead ends: 30645 [2024-11-22 01:54:22,507 INFO L226 Difference]: Without dead ends: 20097 [2024-11-22 01:54:22,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:22,549 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 127 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:22,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1194 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:22,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20097 states. [2024-11-22 01:54:23,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20097 to 20089. [2024-11-22 01:54:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20089 states, 16782 states have (on average 1.621141699439876) internal successors, (27206), 16786 states have internal predecessors, (27206), 3278 states have call successors, (3278), 26 states have call predecessors, (3278), 28 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2024-11-22 01:54:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20089 states to 20089 states and 34101 transitions. [2024-11-22 01:54:23,352 INFO L78 Accepts]: Start accepts. Automaton has 20089 states and 34101 transitions. Word has length 143 [2024-11-22 01:54:23,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:23,353 INFO L471 AbstractCegarLoop]: Abstraction has 20089 states and 34101 transitions. [2024-11-22 01:54:23,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 20089 states and 34101 transitions. [2024-11-22 01:54:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-22 01:54:23,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:23,387 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:54:23,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 01:54:23,388 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:23,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:23,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1336629238, now seen corresponding path program 1 times [2024-11-22 01:54:23,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:23,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627122413] [2024-11-22 01:54:23,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:23,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:23,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:23,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627122413] [2024-11-22 01:54:23,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627122413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:23,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:23,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:23,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381692858] [2024-11-22 01:54:23,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:23,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:23,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:23,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:23,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:23,446 INFO L87 Difference]: Start difference. First operand 20089 states and 34101 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:24,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:24,451 INFO L93 Difference]: Finished difference Result 53087 states and 90447 transitions. [2024-11-22 01:54:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:24,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2024-11-22 01:54:24,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:24,619 INFO L225 Difference]: With dead ends: 53087 [2024-11-22 01:54:24,620 INFO L226 Difference]: Without dead ends: 35903 [2024-11-22 01:54:24,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:24,686 INFO L432 NwaCegarLoop]: 613 mSDtfsCounter, 125 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:24,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1220 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:24,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35903 states. [2024-11-22 01:54:25,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35903 to 35895. [2024-11-22 01:54:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35895 states, 30138 states have (on average 1.6181564801911208) internal successors, (48768), 30142 states have internal predecessors, (48768), 5728 states have call successors, (5728), 26 states have call predecessors, (5728), 28 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2024-11-22 01:54:26,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35895 states to 35895 states and 60837 transitions. [2024-11-22 01:54:26,088 INFO L78 Accepts]: Start accepts. Automaton has 35895 states and 60837 transitions. Word has length 144 [2024-11-22 01:54:26,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:26,089 INFO L471 AbstractCegarLoop]: Abstraction has 35895 states and 60837 transitions. [2024-11-22 01:54:26,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:54:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 35895 states and 60837 transitions. [2024-11-22 01:54:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 01:54:26,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:26,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:26,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:54:26,130 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:26,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:26,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1660367504, now seen corresponding path program 1 times [2024-11-22 01:54:26,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:26,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433775762] [2024-11-22 01:54:26,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:26,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:26,184 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:54:26,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:26,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433775762] [2024-11-22 01:54:26,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433775762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:26,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:26,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:26,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11945950] [2024-11-22 01:54:26,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:26,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:26,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:26,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:26,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:26,187 INFO L87 Difference]: Start difference. First operand 35895 states and 60837 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:27,995 INFO L93 Difference]: Finished difference Result 97934 states and 166474 transitions. [2024-11-22 01:54:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-22 01:54:27,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:28,300 INFO L225 Difference]: With dead ends: 97934 [2024-11-22 01:54:28,301 INFO L226 Difference]: Without dead ends: 65900 [2024-11-22 01:54:28,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:28,391 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 123 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:28,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1221 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:28,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65900 states. [2024-11-22 01:54:30,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65900 to 65892. [2024-11-22 01:54:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65892 states, 55622 states have (on average 1.6141275035058071) internal successors, (89781), 55626 states have internal predecessors, (89781), 10241 states have call successors, (10241), 26 states have call predecessors, (10241), 28 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2024-11-22 01:54:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65892 states to 65892 states and 111408 transitions. [2024-11-22 01:54:30,949 INFO L78 Accepts]: Start accepts. Automaton has 65892 states and 111408 transitions. Word has length 164 [2024-11-22 01:54:30,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:30,952 INFO L471 AbstractCegarLoop]: Abstraction has 65892 states and 111408 transitions. [2024-11-22 01:54:30,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 65892 states and 111408 transitions. [2024-11-22 01:54:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 01:54:31,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:31,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:31,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 01:54:31,002 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:31,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:31,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1176185040, now seen corresponding path program 1 times [2024-11-22 01:54:31,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:31,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346974441] [2024-11-22 01:54:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:31,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:31,059 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:54:31,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:31,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346974441] [2024-11-22 01:54:31,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346974441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:31,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:31,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:31,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007657565] [2024-11-22 01:54:31,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:31,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:31,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:31,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:31,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:31,062 INFO L87 Difference]: Start difference. First operand 65892 states and 111408 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:33,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:33,600 INFO L93 Difference]: Finished difference Result 123595 states and 209338 transitions. [2024-11-22 01:54:33,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:33,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2024-11-22 01:54:33,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:34,326 INFO L225 Difference]: With dead ends: 123595 [2024-11-22 01:54:34,326 INFO L226 Difference]: Without dead ends: 123388 [2024-11-22 01:54:34,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:34,375 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 118 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:34,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1226 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:34,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123388 states. [2024-11-22 01:54:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123388 to 123380. [2024-11-22 01:54:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123380 states, 104742 states have (on average 1.6090298065723396) internal successors, (168533), 104746 states have internal predecessors, (168533), 18609 states have call successors, (18609), 26 states have call predecessors, (18609), 28 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2024-11-22 01:54:39,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123380 states to 123380 states and 207942 transitions. [2024-11-22 01:54:39,178 INFO L78 Accepts]: Start accepts. Automaton has 123380 states and 207942 transitions. Word has length 165 [2024-11-22 01:54:39,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:39,179 INFO L471 AbstractCegarLoop]: Abstraction has 123380 states and 207942 transitions. [2024-11-22 01:54:39,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 123380 states and 207942 transitions. [2024-11-22 01:54:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 01:54:39,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:39,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:39,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 01:54:39,232 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:39,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:39,233 INFO L85 PathProgramCache]: Analyzing trace with hash -118497999, now seen corresponding path program 1 times [2024-11-22 01:54:39,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:39,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93826268] [2024-11-22 01:54:39,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:39,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:54:39,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:39,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93826268] [2024-11-22 01:54:39,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93826268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:39,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:39,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 01:54:39,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511043593] [2024-11-22 01:54:39,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:39,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 01:54:39,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:39,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 01:54:39,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:54:39,362 INFO L87 Difference]: Start difference. First operand 123380 states and 207942 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:44,418 INFO L93 Difference]: Finished difference Result 237104 states and 401251 transitions. [2024-11-22 01:54:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 01:54:44,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2024-11-22 01:54:44,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:45,504 INFO L225 Difference]: With dead ends: 237104 [2024-11-22 01:54:45,505 INFO L226 Difference]: Without dead ends: 236905 [2024-11-22 01:54:45,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:54:45,604 INFO L432 NwaCegarLoop]: 671 mSDtfsCounter, 559 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 3129 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:45,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 3129 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 01:54:45,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236905 states. [2024-11-22 01:54:52,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236905 to 236897. [2024-11-22 01:54:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236897 states, 201124 states have (on average 1.6123734611483462) internal successors, (324287), 201074 states have internal predecessors, (324287), 35720 states have call successors, (35720), 49 states have call predecessors, (35720), 52 states have return successors, (39003), 35773 states have call predecessors, (39003), 35718 states have call successors, (39003) [2024-11-22 01:54:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236897 states to 236897 states and 399010 transitions. [2024-11-22 01:54:54,493 INFO L78 Accepts]: Start accepts. Automaton has 236897 states and 399010 transitions. Word has length 166 [2024-11-22 01:54:54,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:54,493 INFO L471 AbstractCegarLoop]: Abstraction has 236897 states and 399010 transitions. [2024-11-22 01:54:54,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:54:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 236897 states and 399010 transitions. [2024-11-22 01:54:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 01:54:54,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:54,558 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:54:54,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 01:54:54,559 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:54,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:54,559 INFO L85 PathProgramCache]: Analyzing trace with hash 407152117, now seen corresponding path program 1 times [2024-11-22 01:54:54,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:54,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140061241] [2024-11-22 01:54:54,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:54,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:54:54,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:54,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140061241] [2024-11-22 01:54:54,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140061241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:54,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:54,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 01:54:54,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375846212] [2024-11-22 01:54:54,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:54,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 01:54:54,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:54,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 01:54:54,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:54:54,712 INFO L87 Difference]: Start difference. First operand 236897 states and 399010 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15)