./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.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 dc94b11b9bf104a1982bd595975574e7febd0128133afbc196759ccbde82033d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 19:24:11,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 19:24:11,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 19:24:11,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 19:24:11,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 19:24:11,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 19:24:11,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 19:24:11,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 19:24:11,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 19:24:11,270 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 19:24:11,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 19:24:11,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 19:24:11,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 19:24:11,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 19:24:11,272 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 19:24:11,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 19:24:11,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 19:24:11,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 19:24:11,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 19:24:11,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 19:24:11,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 19:24:11,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 19:24:11,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 19:24:11,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 19:24:11,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 19:24:11,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 19:24:11,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 19:24:11,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 19:24:11,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 19:24:11,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 19:24:11,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 19:24:11,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 19:24:11,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:24:11,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 19:24:11,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 19:24:11,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 19:24:11,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 19:24:11,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 19:24:11,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 19:24:11,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 19:24:11,279 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 19:24:11,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 19:24:11,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc94b11b9bf104a1982bd595975574e7febd0128133afbc196759ccbde82033d [2024-10-12 19:24:11,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 19:24:11,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 19:24:11,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 19:24:11,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 19:24:11,499 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 19:24:11,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2024-10-12 19:24:12,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 19:24:13,145 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 19:24:13,146 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2024-10-12 19:24:13,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8bbca5d/c8bd0992772147c6a3e1de696841713e/FLAG036246c34 [2024-10-12 19:24:13,470 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8bbca5d/c8bd0992772147c6a3e1de696841713e [2024-10-12 19:24:13,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 19:24:13,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 19:24:13,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 19:24:13,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 19:24:13,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 19:24:13,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:24:13" (1/1) ... [2024-10-12 19:24:13,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f84e1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:13, skipping insertion in model container [2024-10-12 19:24:13,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:24:13" (1/1) ... [2024-10-12 19:24:13,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 19:24:13,908 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2024-10-12 19:24:14,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:24:14,027 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 19:24:14,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-10-12 19:24:14,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] [2024-10-12 19:24:14,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [115] [2024-10-12 19:24:14,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [481] [2024-10-12 19:24:14,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [588] [2024-10-12 19:24:14,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [609] [2024-10-12 19:24:14,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1689] [2024-10-12 19:24:14,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1698] [2024-10-12 19:24:14,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2003] [2024-10-12 19:24:14,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2222] [2024-10-12 19:24:14,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2626] [2024-10-12 19:24:14,093 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2024-10-12 19:24:14,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:24:14,135 INFO L204 MainTranslator]: Completed translation [2024-10-12 19:24:14,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14 WrapperNode [2024-10-12 19:24:14,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 19:24:14,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 19:24:14,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 19:24:14,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 19:24:14,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,217 INFO L138 Inliner]: procedures = 130, calls = 199, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 985 [2024-10-12 19:24:14,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 19:24:14,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 19:24:14,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 19:24:14,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 19:24:14,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,280 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-12 19:24:14,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 19:24:14,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 19:24:14,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 19:24:14,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 19:24:14,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (1/1) ... [2024-10-12 19:24:14,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:24:14,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:24:14,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 19:24:14,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 19:24:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-12 19:24:14,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-12 19:24:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-12 19:24:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-12 19:24:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-12 19:24:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-12 19:24:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-12 19:24:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-12 19:24:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-12 19:24:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-12 19:24:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-12 19:24:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-12 19:24:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-12 19:24:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-12 19:24:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-12 19:24:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-12 19:24:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-12 19:24:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-12 19:24:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-12 19:24:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-12 19:24:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-12 19:24:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-12 19:24:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 19:24:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-12 19:24:14,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-12 19:24:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-12 19:24:14,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-12 19:24:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-12 19:24:14,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-12 19:24:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-12 19:24:14,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-12 19:24:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-12 19:24:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-12 19:24:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-12 19:24:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-12 19:24:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-12 19:24:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-12 19:24:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-12 19:24:14,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-12 19:24:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 19:24:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 19:24:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 19:24:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 19:24:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-12 19:24:14,433 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-12 19:24:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-12 19:24:14,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-12 19:24:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 19:24:14,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 19:24:14,589 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 19:24:14,591 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 19:24:15,383 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-10-12 19:24:15,384 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 19:24:15,445 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 19:24:15,446 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 19:24:15,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:24:15 BoogieIcfgContainer [2024-10-12 19:24:15,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 19:24:15,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 19:24:15,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 19:24:15,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 19:24:15,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:24:13" (1/3) ... [2024-10-12 19:24:15,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1740e230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:24:15, skipping insertion in model container [2024-10-12 19:24:15,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:24:14" (2/3) ... [2024-10-12 19:24:15,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1740e230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:24:15, skipping insertion in model container [2024-10-12 19:24:15,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:24:15" (3/3) ... [2024-10-12 19:24:15,456 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product23.cil.c [2024-10-12 19:24:15,473 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 19:24:15,473 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 19:24:15,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 19:24:15,541 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;@12bdc887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 19:24:15,541 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 19:24:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 263 states have (on average 1.638783269961977) internal successors, (431), 266 states have internal predecessors, (431), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-12 19:24:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-12 19:24:15,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:15,559 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-12 19:24:15,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:15,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:15,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1273044746, now seen corresponding path program 1 times [2024-10-12 19:24:15,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:15,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482297484] [2024-10-12 19:24:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:15,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:15,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:24:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:24:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:24:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-12 19:24:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-12 19:24:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-12 19:24:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:24:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:24:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:24:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:24:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:24:16,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:16,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482297484] [2024-10-12 19:24:16,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482297484] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:24:16,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77552214] [2024-10-12 19:24:16,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:16,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:16,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:24:16,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:24:16,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 19:24:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 19:24:16,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:24:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:24:16,400 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:24:16,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77552214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:16,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:24:16,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-12 19:24:16,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032002121] [2024-10-12 19:24:16,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:16,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 19:24:16,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:16,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 19:24:16,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:24:16,427 INFO L87 Difference]: Start difference. First operand has 336 states, 263 states have (on average 1.638783269961977) internal successors, (431), 266 states have internal predecessors, (431), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:16,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:16,528 INFO L93 Difference]: Finished difference Result 488 states and 761 transitions. [2024-10-12 19:24:16,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 19:24:16,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2024-10-12 19:24:16,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:16,546 INFO L225 Difference]: With dead ends: 488 [2024-10-12 19:24:16,547 INFO L226 Difference]: Without dead ends: 333 [2024-10-12 19:24:16,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:24:16,552 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:16,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 512 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:24:16,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-10-12 19:24:16,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2024-10-12 19:24:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 261 states have (on average 1.6245210727969348) internal successors, (424), 263 states have internal predecessors, (424), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-12 19:24:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 523 transitions. [2024-10-12 19:24:16,605 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 523 transitions. Word has length 97 [2024-10-12 19:24:16,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:16,606 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 523 transitions. [2024-10-12 19:24:16,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 523 transitions. [2024-10-12 19:24:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-12 19:24:16,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:16,611 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-12 19:24:16,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-12 19:24:16,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-12 19:24:16,812 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:16,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:16,813 INFO L85 PathProgramCache]: Analyzing trace with hash 58883170, now seen corresponding path program 1 times [2024-10-12 19:24:16,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:16,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373383093] [2024-10-12 19:24:16,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:16,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:24:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:24:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:24:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-12 19:24:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-12 19:24:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-12 19:24:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:24:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 19:24:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:24:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:24:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:24:17,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:17,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373383093] [2024-10-12 19:24:17,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373383093] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:24:17,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817384] [2024-10-12 19:24:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:17,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:17,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:24:17,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:24:17,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 19:24:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 19:24:17,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:24:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:24:17,446 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:24:17,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817384] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:17,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:24:17,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-12 19:24:17,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336845750] [2024-10-12 19:24:17,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:17,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:24:17,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:17,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:24:17,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:24:17,448 INFO L87 Difference]: Start difference. First operand 333 states and 523 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:17,572 INFO L93 Difference]: Finished difference Result 484 states and 745 transitions. [2024-10-12 19:24:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:24:17,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 98 [2024-10-12 19:24:17,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:17,579 INFO L225 Difference]: With dead ends: 484 [2024-10-12 19:24:17,579 INFO L226 Difference]: Without dead ends: 335 [2024-10-12 19:24:17,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:24:17,586 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 0 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:17,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1017 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:24:17,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-12 19:24:17,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2024-10-12 19:24:17,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 263 states have (on average 1.6197718631178708) internal successors, (426), 265 states have internal predecessors, (426), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-12 19:24:17,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 525 transitions. [2024-10-12 19:24:17,612 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 525 transitions. Word has length 98 [2024-10-12 19:24:17,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:17,615 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 525 transitions. [2024-10-12 19:24:17,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 525 transitions. [2024-10-12 19:24:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-12 19:24:17,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:17,620 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-10-12 19:24:17,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-12 19:24:17,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-12 19:24:17,820 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:17,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:17,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1241917709, now seen corresponding path program 1 times [2024-10-12 19:24:17,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:17,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347332577] [2024-10-12 19:24:17,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:17,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:24:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:24:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:24:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-12 19:24:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:24:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:17,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:24:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:24:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:24:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:24:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:24:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-12 19:24:18,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:18,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347332577] [2024-10-12 19:24:18,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347332577] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:24:18,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431174884] [2024-10-12 19:24:18,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:18,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:18,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:24:18,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:24:18,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 19:24:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 19:24:18,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:24:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:24:18,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:24:18,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431174884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:18,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:24:18,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-12 19:24:18,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566240907] [2024-10-12 19:24:18,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:18,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:24:18,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:18,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:24:18,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:24:18,256 INFO L87 Difference]: Start difference. First operand 335 states and 525 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:18,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:18,300 INFO L93 Difference]: Finished difference Result 718 states and 1142 transitions. [2024-10-12 19:24:18,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:24:18,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 105 [2024-10-12 19:24:18,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:18,304 INFO L225 Difference]: With dead ends: 718 [2024-10-12 19:24:18,305 INFO L226 Difference]: Without dead ends: 405 [2024-10-12 19:24:18,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:24:18,307 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 129 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:18,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 987 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:24:18,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-12 19:24:18,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 400. [2024-10-12 19:24:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 314 states have (on average 1.6337579617834395) internal successors, (513), 316 states have internal predecessors, (513), 64 states have call successors, (64), 21 states have call predecessors, (64), 21 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-12 19:24:18,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 640 transitions. [2024-10-12 19:24:18,330 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 640 transitions. Word has length 105 [2024-10-12 19:24:18,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:18,331 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 640 transitions. [2024-10-12 19:24:18,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 640 transitions. [2024-10-12 19:24:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-12 19:24:18,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:18,335 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-10-12 19:24:18,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-12 19:24:18,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:18,539 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:18,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:18,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1216141767, now seen corresponding path program 1 times [2024-10-12 19:24:18,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:18,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186039782] [2024-10-12 19:24:18,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:18,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:24:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:24:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:24:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 19:24:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:24:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:24:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:24:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:24:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:24:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:24:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-12 19:24:18,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:18,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186039782] [2024-10-12 19:24:18,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186039782] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:24:18,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335301966] [2024-10-12 19:24:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:18,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:24:18,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:24:18,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-12 19:24:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:18,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 19:24:18,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:24:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-12 19:24:18,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:24:18,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335301966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:18,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:24:18,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-12 19:24:18,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245597124] [2024-10-12 19:24:18,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:18,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:24:18,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:18,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:24:18,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:24:18,960 INFO L87 Difference]: Start difference. First operand 400 states and 640 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-12 19:24:19,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:19,032 INFO L93 Difference]: Finished difference Result 795 states and 1274 transitions. [2024-10-12 19:24:19,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 19:24:19,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 106 [2024-10-12 19:24:19,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:19,034 INFO L225 Difference]: With dead ends: 795 [2024-10-12 19:24:19,035 INFO L226 Difference]: Without dead ends: 402 [2024-10-12 19:24:19,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:24:19,036 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 2 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:19,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1993 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:24:19,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-10-12 19:24:19,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-10-12 19:24:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 315 states have (on average 1.6317460317460317) internal successors, (514), 318 states have internal predecessors, (514), 64 states have call successors, (64), 21 states have call predecessors, (64), 22 states have return successors, (65), 62 states have call predecessors, (65), 63 states have call successors, (65) [2024-10-12 19:24:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 643 transitions. [2024-10-12 19:24:19,049 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 643 transitions. Word has length 106 [2024-10-12 19:24:19,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:19,049 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 643 transitions. [2024-10-12 19:24:19,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-12 19:24:19,050 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 643 transitions. [2024-10-12 19:24:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-12 19:24:19,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:19,051 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:24:19,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-12 19:24:19,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:19,252 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:19,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:19,253 INFO L85 PathProgramCache]: Analyzing trace with hash -827683551, now seen corresponding path program 1 times [2024-10-12 19:24:19,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:19,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162358624] [2024-10-12 19:24:19,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:19,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 19:24:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-12 19:24:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-12 19:24:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 19:24:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:24:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 19:24:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-12 19:24:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:24:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:24:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-12 19:24:19,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:19,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162358624] [2024-10-12 19:24:19,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162358624] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:24:19,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465836091] [2024-10-12 19:24:19,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:19,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:19,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:24:19,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:24:19,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-12 19:24:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:19,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 19:24:19,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:24:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-12 19:24:19,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:24:19,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465836091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:19,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:24:19,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-12 19:24:19,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503993261] [2024-10-12 19:24:19,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:19,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:24:19,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:19,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:24:19,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:24:19,740 INFO L87 Difference]: Start difference. First operand 402 states and 643 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-12 19:24:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:19,861 INFO L93 Difference]: Finished difference Result 797 states and 1279 transitions. [2024-10-12 19:24:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 19:24:19,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 107 [2024-10-12 19:24:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:19,864 INFO L225 Difference]: With dead ends: 797 [2024-10-12 19:24:19,864 INFO L226 Difference]: Without dead ends: 404 [2024-10-12 19:24:19,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:24:19,866 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 2 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:19,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1979 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:24:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-12 19:24:19,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-10-12 19:24:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 316 states have (on average 1.629746835443038) internal successors, (515), 320 states have internal predecessors, (515), 64 states have call successors, (64), 21 states have call predecessors, (64), 23 states have return successors, (70), 62 states have call predecessors, (70), 63 states have call successors, (70) [2024-10-12 19:24:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 649 transitions. [2024-10-12 19:24:19,879 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 649 transitions. Word has length 107 [2024-10-12 19:24:19,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:19,880 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 649 transitions. [2024-10-12 19:24:19,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-12 19:24:19,880 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 649 transitions. [2024-10-12 19:24:19,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-12 19:24:19,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:19,882 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] [2024-10-12 19:24:19,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-12 19:24:20,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:20,083 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:20,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:20,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1270123579, now seen corresponding path program 1 times [2024-10-12 19:24:20,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:20,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343590085] [2024-10-12 19:24:20,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:20,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-12 19:24:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-12 19:24:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-12 19:24:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:24:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 19:24:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:24:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:24:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:24:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-12 19:24:20,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:20,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343590085] [2024-10-12 19:24:20,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343590085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:20,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:20,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 19:24:20,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041567763] [2024-10-12 19:24:20,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:20,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 19:24:20,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:20,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 19:24:20,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:24:20,224 INFO L87 Difference]: Start difference. First operand 404 states and 649 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-12 19:24:21,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:21,686 INFO L93 Difference]: Finished difference Result 886 states and 1456 transitions. [2024-10-12 19:24:21,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 19:24:21,687 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 108 [2024-10-12 19:24:21,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:21,691 INFO L225 Difference]: With dead ends: 886 [2024-10-12 19:24:21,691 INFO L226 Difference]: Without dead ends: 501 [2024-10-12 19:24:21,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:24:21,692 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1136 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:21,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 1199 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:24:21,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-10-12 19:24:21,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 404. [2024-10-12 19:24:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 316 states have (on average 1.629746835443038) internal successors, (515), 320 states have internal predecessors, (515), 64 states have call successors, (64), 21 states have call predecessors, (64), 23 states have return successors, (69), 62 states have call predecessors, (69), 63 states have call successors, (69) [2024-10-12 19:24:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 648 transitions. [2024-10-12 19:24:21,717 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 648 transitions. Word has length 108 [2024-10-12 19:24:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:21,718 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 648 transitions. [2024-10-12 19:24:21,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-12 19:24:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 648 transitions. [2024-10-12 19:24:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-12 19:24:21,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:21,720 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:24:21,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 19:24:21,720 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:21,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash 890398903, now seen corresponding path program 2 times [2024-10-12 19:24:21,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:21,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578353614] [2024-10-12 19:24:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:21,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-12 19:24:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-12 19:24:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-12 19:24:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:24:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:24:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-12 19:24:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-12 19:24:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:24:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-12 19:24:21,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:21,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578353614] [2024-10-12 19:24:21,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578353614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:21,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:21,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 19:24:21,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638409429] [2024-10-12 19:24:21,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:21,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 19:24:21,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:21,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 19:24:21,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:24:21,930 INFO L87 Difference]: Start difference. First operand 404 states and 648 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-12 19:24:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:23,536 INFO L93 Difference]: Finished difference Result 888 states and 1459 transitions. [2024-10-12 19:24:23,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 19:24:23,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2024-10-12 19:24:23,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:23,539 INFO L225 Difference]: With dead ends: 888 [2024-10-12 19:24:23,539 INFO L226 Difference]: Without dead ends: 503 [2024-10-12 19:24:23,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:24:23,543 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1133 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:23,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 1198 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 19:24:23,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-10-12 19:24:23,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 406. [2024-10-12 19:24:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 317 states have (on average 1.6277602523659307) internal successors, (516), 322 states have internal predecessors, (516), 64 states have call successors, (64), 21 states have call predecessors, (64), 24 states have return successors, (71), 62 states have call predecessors, (71), 63 states have call successors, (71) [2024-10-12 19:24:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 651 transitions. [2024-10-12 19:24:23,570 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 651 transitions. Word has length 109 [2024-10-12 19:24:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:23,570 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 651 transitions. [2024-10-12 19:24:23,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-12 19:24:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 651 transitions. [2024-10-12 19:24:23,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-12 19:24:23,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:23,572 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] [2024-10-12 19:24:23,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 19:24:23,572 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:23,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:23,573 INFO L85 PathProgramCache]: Analyzing trace with hash -193547306, now seen corresponding path program 1 times [2024-10-12 19:24:23,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:23,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319439314] [2024-10-12 19:24:23,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:23,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:24:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-12 19:24:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 19:24:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:24:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:24:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:24:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:24:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-12 19:24:23,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:23,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319439314] [2024-10-12 19:24:23,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319439314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:23,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:23,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 19:24:23,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418315155] [2024-10-12 19:24:23,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:23,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:24:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:23,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:24:23,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:24:23,755 INFO L87 Difference]: Start difference. First operand 406 states and 651 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-12 19:24:25,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:25,699 INFO L93 Difference]: Finished difference Result 886 states and 1454 transitions. [2024-10-12 19:24:25,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:24:25,699 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 110 [2024-10-12 19:24:25,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:25,702 INFO L225 Difference]: With dead ends: 886 [2024-10-12 19:24:25,702 INFO L226 Difference]: Without dead ends: 503 [2024-10-12 19:24:25,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-12 19:24:25,705 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1138 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3804 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 4153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 3804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:25,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 1663 Invalid, 4153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [349 Valid, 3804 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-12 19:24:25,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-10-12 19:24:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 406. [2024-10-12 19:24:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 317 states have (on average 1.6277602523659307) internal successors, (516), 322 states have internal predecessors, (516), 64 states have call successors, (64), 21 states have call predecessors, (64), 24 states have return successors, (70), 62 states have call predecessors, (70), 63 states have call successors, (70) [2024-10-12 19:24:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 650 transitions. [2024-10-12 19:24:25,728 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 650 transitions. Word has length 110 [2024-10-12 19:24:25,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:25,728 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 650 transitions. [2024-10-12 19:24:25,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-12 19:24:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 650 transitions. [2024-10-12 19:24:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-12 19:24:25,731 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:25,731 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:24:25,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 19:24:25,731 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:25,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:25,731 INFO L85 PathProgramCache]: Analyzing trace with hash 206095476, now seen corresponding path program 2 times [2024-10-12 19:24:25,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:25,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493522253] [2024-10-12 19:24:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:25,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:25,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:25,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:25,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:24:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 19:24:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:26,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:24:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:26,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:24:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:24:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:26,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:24:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 19:24:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-12 19:24:26,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:26,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493522253] [2024-10-12 19:24:26,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493522253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:26,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:26,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 19:24:26,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006466462] [2024-10-12 19:24:26,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:26,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:24:26,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:26,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:24:26,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:24:26,010 INFO L87 Difference]: Start difference. First operand 406 states and 650 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-12 19:24:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:28,221 INFO L93 Difference]: Finished difference Result 888 states and 1460 transitions. [2024-10-12 19:24:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:24:28,221 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 111 [2024-10-12 19:24:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:28,223 INFO L225 Difference]: With dead ends: 888 [2024-10-12 19:24:28,223 INFO L226 Difference]: Without dead ends: 505 [2024-10-12 19:24:28,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-12 19:24:28,225 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1133 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3896 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 4238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 3896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:28,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 1664 Invalid, 4238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 3896 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-12 19:24:28,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-10-12 19:24:28,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 408. [2024-10-12 19:24:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 318 states have (on average 1.6257861635220126) internal successors, (517), 324 states have internal predecessors, (517), 64 states have call successors, (64), 21 states have call predecessors, (64), 25 states have return successors, (75), 62 states have call predecessors, (75), 63 states have call successors, (75) [2024-10-12 19:24:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 656 transitions. [2024-10-12 19:24:28,243 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 656 transitions. Word has length 111 [2024-10-12 19:24:28,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:28,243 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 656 transitions. [2024-10-12 19:24:28,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-12 19:24:28,244 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 656 transitions. [2024-10-12 19:24:28,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-12 19:24:28,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:28,245 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] [2024-10-12 19:24:28,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 19:24:28,245 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:28,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:28,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2049855473, now seen corresponding path program 1 times [2024-10-12 19:24:28,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:28,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229333639] [2024-10-12 19:24:28,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:28,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 19:24:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-12 19:24:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:24:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:24:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:24:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:24:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:24:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-12 19:24:28,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:28,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229333639] [2024-10-12 19:24:28,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229333639] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:24:28,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425237015] [2024-10-12 19:24:28,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:28,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:24:28,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:24:28,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-12 19:24:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:28,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 19:24:28,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:24:28,676 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:28,678 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 19:24:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:28,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425237015] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 19:24:28,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 19:24:28,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-12 19:24:28,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805173415] [2024-10-12 19:24:28,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 19:24:28,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-12 19:24:28,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:28,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-12 19:24:28,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:24:28,802 INFO L87 Difference]: Start difference. First operand 408 states and 656 transitions. Second operand has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-12 19:24:31,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:31,431 INFO L93 Difference]: Finished difference Result 1307 states and 2236 transitions. [2024-10-12 19:24:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-12 19:24:31,432 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 112 [2024-10-12 19:24:31,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:31,436 INFO L225 Difference]: With dead ends: 1307 [2024-10-12 19:24:31,436 INFO L226 Difference]: Without dead ends: 925 [2024-10-12 19:24:31,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-12 19:24:31,438 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 2177 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 5303 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 5996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 5303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:31,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 2122 Invalid, 5996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 5303 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-12 19:24:31,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-10-12 19:24:31,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 813. [2024-10-12 19:24:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 644 states have (on average 1.6614906832298137) internal successors, (1070), 650 states have internal predecessors, (1070), 143 states have call successors, (143), 21 states have call predecessors, (143), 25 states have return successors, (164), 141 states have call predecessors, (164), 142 states have call successors, (164) [2024-10-12 19:24:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1377 transitions. [2024-10-12 19:24:31,483 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1377 transitions. Word has length 112 [2024-10-12 19:24:31,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:31,484 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1377 transitions. [2024-10-12 19:24:31,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-12 19:24:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1377 transitions. [2024-10-12 19:24:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-12 19:24:31,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:31,487 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] [2024-10-12 19:24:31,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-12 19:24:31,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:24:31,692 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:31,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:31,692 INFO L85 PathProgramCache]: Analyzing trace with hash -356467704, now seen corresponding path program 1 times [2024-10-12 19:24:31,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:31,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815616355] [2024-10-12 19:24:31,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:31,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 19:24:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:24:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:24:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:24:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:24:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:24:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-12 19:24:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:31,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:31,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815616355] [2024-10-12 19:24:31,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815616355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:31,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:31,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:31,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151021246] [2024-10-12 19:24:31,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:31,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:31,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:31,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:31,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:31,769 INFO L87 Difference]: Start difference. First operand 813 states and 1377 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:32,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:32,803 INFO L93 Difference]: Finished difference Result 2042 states and 3555 transitions. [2024-10-12 19:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:32,807 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2024-10-12 19:24:32,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:32,813 INFO L225 Difference]: With dead ends: 2042 [2024-10-12 19:24:32,814 INFO L226 Difference]: Without dead ends: 1297 [2024-10-12 19:24:32,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:32,817 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1256 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:32,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 908 Invalid, 1748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 19:24:32,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2024-10-12 19:24:32,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1195. [2024-10-12 19:24:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 947 states have (on average 1.6705385427666315) internal successors, (1582), 953 states have internal predecessors, (1582), 222 states have call successors, (222), 21 states have call predecessors, (222), 25 states have return successors, (253), 220 states have call predecessors, (253), 221 states have call successors, (253) [2024-10-12 19:24:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 2057 transitions. [2024-10-12 19:24:32,856 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 2057 transitions. Word has length 116 [2024-10-12 19:24:32,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:32,856 INFO L471 AbstractCegarLoop]: Abstraction has 1195 states and 2057 transitions. [2024-10-12 19:24:32,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 2057 transitions. [2024-10-12 19:24:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-12 19:24:32,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:32,861 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] [2024-10-12 19:24:32,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 19:24:32,861 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:32,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:32,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2046102935, now seen corresponding path program 1 times [2024-10-12 19:24:32,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:32,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336492998] [2024-10-12 19:24:32,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-12 19:24:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:24:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:24:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:24:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:24:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:24:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 19:24:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:32,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:32,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336492998] [2024-10-12 19:24:32,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336492998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:32,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:32,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:32,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138337237] [2024-10-12 19:24:32,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:32,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:32,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:32,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:32,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:32,937 INFO L87 Difference]: Start difference. First operand 1195 states and 2057 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:34,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:34,066 INFO L93 Difference]: Finished difference Result 2993 states and 5241 transitions. [2024-10-12 19:24:34,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:34,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2024-10-12 19:24:34,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:34,074 INFO L225 Difference]: With dead ends: 2993 [2024-10-12 19:24:34,074 INFO L226 Difference]: Without dead ends: 1916 [2024-10-12 19:24:34,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:34,077 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1255 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1322 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 1322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:34,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 886 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 1322 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 19:24:34,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2024-10-12 19:24:34,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1814. [2024-10-12 19:24:34,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1447 states have (on average 1.6738078783690393) internal successors, (2422), 1453 states have internal predecessors, (2422), 341 states have call successors, (341), 21 states have call predecessors, (341), 25 states have return successors, (372), 339 states have call predecessors, (372), 340 states have call successors, (372) [2024-10-12 19:24:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 3135 transitions. [2024-10-12 19:24:34,133 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 3135 transitions. Word has length 117 [2024-10-12 19:24:34,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:34,134 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 3135 transitions. [2024-10-12 19:24:34,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:34,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3135 transitions. [2024-10-12 19:24:34,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-12 19:24:34,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:34,140 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] [2024-10-12 19:24:34,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 19:24:34,140 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:34,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:34,141 INFO L85 PathProgramCache]: Analyzing trace with hash -369880230, now seen corresponding path program 1 times [2024-10-12 19:24:34,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:34,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994748596] [2024-10-12 19:24:34,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:34,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 19:24:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:24:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 19:24:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:24:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:24:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:24:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-12 19:24:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:34,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:34,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994748596] [2024-10-12 19:24:34,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994748596] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:34,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:34,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:34,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193656658] [2024-10-12 19:24:34,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:34,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:34,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:34,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:34,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:34,219 INFO L87 Difference]: Start difference. First operand 1814 states and 3135 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:35,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:35,371 INFO L93 Difference]: Finished difference Result 4433 states and 7812 transitions. [2024-10-12 19:24:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:35,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2024-10-12 19:24:35,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:35,382 INFO L225 Difference]: With dead ends: 4433 [2024-10-12 19:24:35,382 INFO L226 Difference]: Without dead ends: 2865 [2024-10-12 19:24:35,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:35,386 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1255 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:35,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 872 Invalid, 1692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 19:24:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2865 states. [2024-10-12 19:24:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2865 to 2763. [2024-10-12 19:24:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2234 states have (on average 1.6772605192479857) internal successors, (3747), 2240 states have internal predecessors, (3747), 503 states have call successors, (503), 21 states have call predecessors, (503), 25 states have return successors, (550), 501 states have call predecessors, (550), 502 states have call successors, (550) [2024-10-12 19:24:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4800 transitions. [2024-10-12 19:24:35,460 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4800 transitions. Word has length 118 [2024-10-12 19:24:35,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:35,460 INFO L471 AbstractCegarLoop]: Abstraction has 2763 states and 4800 transitions. [2024-10-12 19:24:35,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4800 transitions. [2024-10-12 19:24:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-12 19:24:35,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:35,469 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] [2024-10-12 19:24:35,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 19:24:35,469 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:35,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:35,469 INFO L85 PathProgramCache]: Analyzing trace with hash -162830346, now seen corresponding path program 1 times [2024-10-12 19:24:35,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:35,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320120226] [2024-10-12 19:24:35,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-12 19:24:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:24:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 19:24:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:24:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-12 19:24:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:24:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-12 19:24:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:35,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:35,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320120226] [2024-10-12 19:24:35,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320120226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:35,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:35,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:35,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283871279] [2024-10-12 19:24:35,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:35,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:35,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:35,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:35,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:35,538 INFO L87 Difference]: Start difference. First operand 2763 states and 4800 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:36,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:36,757 INFO L93 Difference]: Finished difference Result 6705 states and 11880 transitions. [2024-10-12 19:24:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:36,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2024-10-12 19:24:36,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:36,776 INFO L225 Difference]: With dead ends: 6705 [2024-10-12 19:24:36,776 INFO L226 Difference]: Without dead ends: 4397 [2024-10-12 19:24:36,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:36,784 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1252 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:36,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 872 Invalid, 1694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 19:24:36,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2024-10-12 19:24:36,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 4295. [2024-10-12 19:24:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4295 states, 3521 states have (on average 1.679920477137177) internal successors, (5915), 3527 states have internal predecessors, (5915), 748 states have call successors, (748), 21 states have call predecessors, (748), 25 states have return successors, (821), 746 states have call predecessors, (821), 747 states have call successors, (821) [2024-10-12 19:24:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 4295 states and 7484 transitions. [2024-10-12 19:24:36,910 INFO L78 Accepts]: Start accepts. Automaton has 4295 states and 7484 transitions. Word has length 119 [2024-10-12 19:24:36,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:36,910 INFO L471 AbstractCegarLoop]: Abstraction has 4295 states and 7484 transitions. [2024-10-12 19:24:36,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 7484 transitions. [2024-10-12 19:24:36,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-12 19:24:36,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:36,921 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] [2024-10-12 19:24:36,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 19:24:36,922 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:36,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:36,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2004991038, now seen corresponding path program 1 times [2024-10-12 19:24:36,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:36,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766148290] [2024-10-12 19:24:36,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:36,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:36,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:36,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:36,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:36,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:36,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:36,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:36,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-12 19:24:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:36,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:24:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:37,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:24:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:37,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:24:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:37,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:24:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:37,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 19:24:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:37,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-12 19:24:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:37,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:37,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766148290] [2024-10-12 19:24:37,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766148290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:37,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:37,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:37,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686331825] [2024-10-12 19:24:37,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:37,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:37,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:37,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:37,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:37,008 INFO L87 Difference]: Start difference. First operand 4295 states and 7484 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:38,228 INFO L93 Difference]: Finished difference Result 10758 states and 19091 transitions. [2024-10-12 19:24:38,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:38,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2024-10-12 19:24:38,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:38,258 INFO L225 Difference]: With dead ends: 10758 [2024-10-12 19:24:38,259 INFO L226 Difference]: Without dead ends: 7157 [2024-10-12 19:24:38,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:38,272 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1249 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:38,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 911 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 19:24:38,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7157 states. [2024-10-12 19:24:38,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7157 to 7055. [2024-10-12 19:24:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7055 states, 5788 states have (on average 1.674326192121631) internal successors, (9691), 5794 states have internal predecessors, (9691), 1241 states have call successors, (1241), 21 states have call predecessors, (1241), 25 states have return successors, (1358), 1239 states have call predecessors, (1358), 1240 states have call successors, (1358) [2024-10-12 19:24:38,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7055 states to 7055 states and 12290 transitions. [2024-10-12 19:24:38,536 INFO L78 Accepts]: Start accepts. Automaton has 7055 states and 12290 transitions. Word has length 120 [2024-10-12 19:24:38,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:38,536 INFO L471 AbstractCegarLoop]: Abstraction has 7055 states and 12290 transitions. [2024-10-12 19:24:38,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 7055 states and 12290 transitions. [2024-10-12 19:24:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-12 19:24:38,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:38,552 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] [2024-10-12 19:24:38,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 19:24:38,553 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:38,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1865900270, now seen corresponding path program 1 times [2024-10-12 19:24:38,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:38,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47417874] [2024-10-12 19:24:38,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:38,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:24:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:24:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:24:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-12 19:24:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:24:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:24:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 19:24:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:38,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:38,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47417874] [2024-10-12 19:24:38,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47417874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:38,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:38,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:38,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889635552] [2024-10-12 19:24:38,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:38,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:38,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:38,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:38,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:38,629 INFO L87 Difference]: Start difference. First operand 7055 states and 12290 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:39,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:39,898 INFO L93 Difference]: Finished difference Result 17961 states and 31838 transitions. [2024-10-12 19:24:39,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:39,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2024-10-12 19:24:39,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:39,941 INFO L225 Difference]: With dead ends: 17961 [2024-10-12 19:24:39,941 INFO L226 Difference]: Without dead ends: 11986 [2024-10-12 19:24:39,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:39,962 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1246 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:39,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 874 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 19:24:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11986 states. [2024-10-12 19:24:40,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11986 to 11884. [2024-10-12 19:24:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11884 states, 9795 states have (on average 1.6735068912710567) internal successors, (16392), 9801 states have internal predecessors, (16392), 2063 states have call successors, (2063), 21 states have call predecessors, (2063), 25 states have return successors, (2258), 2061 states have call predecessors, (2258), 2062 states have call successors, (2258) [2024-10-12 19:24:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11884 states to 11884 states and 20713 transitions. [2024-10-12 19:24:40,484 INFO L78 Accepts]: Start accepts. Automaton has 11884 states and 20713 transitions. Word has length 121 [2024-10-12 19:24:40,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:40,485 INFO L471 AbstractCegarLoop]: Abstraction has 11884 states and 20713 transitions. [2024-10-12 19:24:40,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11884 states and 20713 transitions. [2024-10-12 19:24:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-12 19:24:40,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:40,504 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] [2024-10-12 19:24:40,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 19:24:40,504 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:40,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:40,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1470995172, now seen corresponding path program 1 times [2024-10-12 19:24:40,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:40,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585972450] [2024-10-12 19:24:40,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:40,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:24:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 19:24:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:24:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:24:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:24:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 19:24:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-12 19:24:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:40,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:40,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585972450] [2024-10-12 19:24:40,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585972450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:40,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:40,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:40,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884849621] [2024-10-12 19:24:40,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:40,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:40,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:40,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:40,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:40,579 INFO L87 Difference]: Start difference. First operand 11884 states and 20713 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:42,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:42,185 INFO L93 Difference]: Finished difference Result 28507 states and 50286 transitions. [2024-10-12 19:24:42,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:42,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2024-10-12 19:24:42,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:42,252 INFO L225 Difference]: With dead ends: 28507 [2024-10-12 19:24:42,252 INFO L226 Difference]: Without dead ends: 18658 [2024-10-12 19:24:42,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:42,278 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1246 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:42,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 853 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:24:42,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18658 states. [2024-10-12 19:24:42,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18658 to 18556. [2024-10-12 19:24:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18556 states, 15264 states have (on average 1.6496986373165619) internal successors, (25181), 15270 states have internal predecessors, (25181), 3266 states have call successors, (3266), 21 states have call predecessors, (3266), 25 states have return successors, (3605), 3264 states have call predecessors, (3605), 3265 states have call successors, (3605) [2024-10-12 19:24:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18556 states to 18556 states and 32052 transitions. [2024-10-12 19:24:42,836 INFO L78 Accepts]: Start accepts. Automaton has 18556 states and 32052 transitions. Word has length 122 [2024-10-12 19:24:42,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:42,837 INFO L471 AbstractCegarLoop]: Abstraction has 18556 states and 32052 transitions. [2024-10-12 19:24:42,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 18556 states and 32052 transitions. [2024-10-12 19:24:42,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-12 19:24:42,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:42,856 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] [2024-10-12 19:24:42,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 19:24:42,857 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:42,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:42,857 INFO L85 PathProgramCache]: Analyzing trace with hash -597829167, now seen corresponding path program 1 times [2024-10-12 19:24:42,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:42,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237734398] [2024-10-12 19:24:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:42,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:24:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:24:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:24:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:24:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:24:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-12 19:24:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 19:24:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:42,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:42,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237734398] [2024-10-12 19:24:42,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237734398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:42,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:42,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:42,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196126408] [2024-10-12 19:24:42,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:42,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:42,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:42,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:42,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:42,962 INFO L87 Difference]: Start difference. First operand 18556 states and 32052 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:45,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:45,266 INFO L93 Difference]: Finished difference Result 49140 states and 86405 transitions. [2024-10-12 19:24:45,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:45,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2024-10-12 19:24:45,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:45,372 INFO L225 Difference]: With dead ends: 49140 [2024-10-12 19:24:45,372 INFO L226 Difference]: Without dead ends: 33239 [2024-10-12 19:24:45,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:45,415 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1242 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:45,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 874 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:24:45,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33239 states. [2024-10-12 19:24:46,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33239 to 33137. [2024-10-12 19:24:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33137 states, 27395 states have (on average 1.646541339660522) internal successors, (45107), 27401 states have internal predecessors, (45107), 5716 states have call successors, (5716), 21 states have call predecessors, (5716), 25 states have return successors, (6329), 5714 states have call predecessors, (6329), 5715 states have call successors, (6329) [2024-10-12 19:24:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33137 states to 33137 states and 57152 transitions. [2024-10-12 19:24:46,833 INFO L78 Accepts]: Start accepts. Automaton has 33137 states and 57152 transitions. Word has length 123 [2024-10-12 19:24:46,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:46,834 INFO L471 AbstractCegarLoop]: Abstraction has 33137 states and 57152 transitions. [2024-10-12 19:24:46,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 33137 states and 57152 transitions. [2024-10-12 19:24:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-12 19:24:46,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:46,854 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] [2024-10-12 19:24:46,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-12 19:24:46,854 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:46,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:46,855 INFO L85 PathProgramCache]: Analyzing trace with hash 619609058, now seen corresponding path program 1 times [2024-10-12 19:24:46,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:46,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983108981] [2024-10-12 19:24:46,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:46,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:24:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:24:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-12 19:24:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:24:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:24:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:24:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-12 19:24:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:46,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:46,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983108981] [2024-10-12 19:24:46,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983108981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:46,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:46,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:46,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700894130] [2024-10-12 19:24:46,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:46,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:46,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:46,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:46,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:46,944 INFO L87 Difference]: Start difference. First operand 33137 states and 57152 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:49,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:49,753 INFO L93 Difference]: Finished difference Result 90442 states and 158234 transitions. [2024-10-12 19:24:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:49,753 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2024-10-12 19:24:49,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:49,997 INFO L225 Difference]: With dead ends: 90442 [2024-10-12 19:24:49,998 INFO L226 Difference]: Without dead ends: 60851 [2024-10-12 19:24:50,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:50,068 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1240 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:50,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 881 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 19:24:50,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60851 states. [2024-10-12 19:24:52,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60851 to 60749. [2024-10-12 19:24:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60749 states, 50494 states have (on average 1.6425119816215787) internal successors, (82937), 50500 states have internal predecessors, (82937), 10229 states have call successors, (10229), 21 states have call predecessors, (10229), 25 states have return successors, (11374), 10227 states have call predecessors, (11374), 10228 states have call successors, (11374) [2024-10-12 19:24:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60749 states to 60749 states and 104540 transitions. [2024-10-12 19:24:52,328 INFO L78 Accepts]: Start accepts. Automaton has 60749 states and 104540 transitions. Word has length 124 [2024-10-12 19:24:52,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:24:52,328 INFO L471 AbstractCegarLoop]: Abstraction has 60749 states and 104540 transitions. [2024-10-12 19:24:52,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 60749 states and 104540 transitions. [2024-10-12 19:24:52,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-12 19:24:52,352 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:24:52,352 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] [2024-10-12 19:24:52,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-12 19:24:52,353 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:24:52,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:24:52,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1072793199, now seen corresponding path program 1 times [2024-10-12 19:24:52,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:24:52,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441393887] [2024-10-12 19:24:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:24:52,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:24:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:24:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:24:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:24:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:24:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:24:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:24:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:24:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 19:24:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:24:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-12 19:24:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:24:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-12 19:24:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 19:24:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:24:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:24:52,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:24:52,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441393887] [2024-10-12 19:24:52,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441393887] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:24:52,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:24:52,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:24:52,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197661118] [2024-10-12 19:24:52,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:24:52,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:24:52,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:24:52,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:24:52,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:24:52,455 INFO L87 Difference]: Start difference. First operand 60749 states and 104540 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:24:55,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:24:55,966 INFO L93 Difference]: Finished difference Result 113794 states and 199587 transitions. [2024-10-12 19:24:55,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:24:55,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2024-10-12 19:24:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:24:56,642 INFO L225 Difference]: With dead ends: 113794 [2024-10-12 19:24:56,642 INFO L226 Difference]: Without dead ends: 113645 [2024-10-12 19:24:56,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:24:56,673 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1236 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:24:56,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 889 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 19:24:56,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113645 states. [2024-10-12 19:24:59,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113645 to 113543. [2024-10-12 19:25:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113543 states, 94920 states have (on average 1.6374420564686052) internal successors, (155426), 94926 states have internal predecessors, (155426), 18597 states have call successors, (18597), 21 states have call predecessors, (18597), 25 states have return successors, (20788), 18595 states have call predecessors, (20788), 18596 states have call successors, (20788) [2024-10-12 19:25:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113543 states to 113543 states and 194811 transitions. [2024-10-12 19:25:00,459 INFO L78 Accepts]: Start accepts. Automaton has 113543 states and 194811 transitions. Word has length 125 [2024-10-12 19:25:00,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:25:00,459 INFO L471 AbstractCegarLoop]: Abstraction has 113543 states and 194811 transitions. [2024-10-12 19:25:00,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-12 19:25:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 113543 states and 194811 transitions. [2024-10-12 19:25:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-12 19:25:00,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:25:00,491 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] [2024-10-12 19:25:00,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-12 19:25:00,491 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:25:00,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:25:00,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2081079133, now seen corresponding path program 1 times [2024-10-12 19:25:00,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:25:00,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237015949] [2024-10-12 19:25:00,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:25:00,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:25:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:25:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:25:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:25:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:25:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:25:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:25:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:25:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:25:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-12 19:25:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:25:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 19:25:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 19:25:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-12 19:25:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-12 19:25:00,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:25:00,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237015949] [2024-10-12 19:25:00,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237015949] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:25:00,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150778063] [2024-10-12 19:25:00,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:25:00,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:25:00,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:25:00,608 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:25:00,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-12 19:25:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:00,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-12 19:25:00,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:25:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-12 19:25:00,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 19:25:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:25:01,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150778063] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 19:25:01,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 19:25:01,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2024-10-12 19:25:01,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404287801] [2024-10-12 19:25:01,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 19:25:01,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-12 19:25:01,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:25:01,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-12 19:25:01,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-10-12 19:25:01,605 INFO L87 Difference]: Start difference. First operand 113543 states and 194811 transitions. Second operand has 21 states, 20 states have (on average 10.45) internal successors, (209), 16 states have internal predecessors, (209), 4 states have call successors, (44), 10 states have call predecessors, (44), 8 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2024-10-12 19:25:10,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:25:10,201 INFO L93 Difference]: Finished difference Result 227442 states and 401149 transitions. [2024-10-12 19:25:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-12 19:25:10,202 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.45) internal successors, (209), 16 states have internal predecessors, (209), 4 states have call successors, (44), 10 states have call predecessors, (44), 8 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) Word has length 126 [2024-10-12 19:25:10,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:25:11,159 INFO L225 Difference]: With dead ends: 227442 [2024-10-12 19:25:11,159 INFO L226 Difference]: Without dead ends: 227298 [2024-10-12 19:25:11,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=617, Invalid=2353, Unknown=0, NotChecked=0, Total=2970 [2024-10-12 19:25:11,262 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 2663 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 6614 mSolverCounterSat, 794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 2712 SdHoareTripleChecker+Invalid, 7408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 794 IncrementalHoareTripleChecker+Valid, 6614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:25:11,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2678 Valid, 2712 Invalid, 7408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [794 Valid, 6614 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-12 19:25:11,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227298 states. [2024-10-12 19:25:19,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227298 to 227091. [2024-10-12 19:25:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227091 states, 189847 states have (on average 1.6374343550332637) internal successors, (310862), 189856 states have internal predecessors, (310862), 37192 states have call successors, (37192), 44 states have call predecessors, (37192), 51 states have return successors, (43754), 37190 states have call predecessors, (43754), 37190 states have call successors, (43754) [2024-10-12 19:25:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227091 states to 227091 states and 391808 transitions. [2024-10-12 19:25:20,474 INFO L78 Accepts]: Start accepts. Automaton has 227091 states and 391808 transitions. Word has length 126 [2024-10-12 19:25:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:25:20,474 INFO L471 AbstractCegarLoop]: Abstraction has 227091 states and 391808 transitions. [2024-10-12 19:25:20,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.45) internal successors, (209), 16 states have internal predecessors, (209), 4 states have call successors, (44), 10 states have call predecessors, (44), 8 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2024-10-12 19:25:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 227091 states and 391808 transitions. [2024-10-12 19:25:20,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-12 19:25:20,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:25:20,573 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] [2024-10-12 19:25:20,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-12 19:25:20,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:25:20,774 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:25:20,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:25:20,775 INFO L85 PathProgramCache]: Analyzing trace with hash -151163432, now seen corresponding path program 1 times [2024-10-12 19:25:20,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:25:20,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205247475] [2024-10-12 19:25:20,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:25:20,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:25:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:25:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:25:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:25:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:25:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:25:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:25:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:25:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:25:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:25:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:25:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:25:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-12 19:25:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 19:25:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:20,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-12 19:25:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:25:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:25:21,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:25:21,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205247475] [2024-10-12 19:25:21,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205247475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:25:21,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:25:21,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-12 19:25:21,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698050017] [2024-10-12 19:25:21,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:25:21,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 19:25:21,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:25:21,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 19:25:21,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-12 19:25:21,501 INFO L87 Difference]: Start difference. First operand 227091 states and 391808 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (17), 8 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:25:28,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:25:28,076 INFO L93 Difference]: Finished difference Result 227663 states and 399329 transitions. [2024-10-12 19:25:28,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-12 19:25:28,081 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (17), 8 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 134 [2024-10-12 19:25:28,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted.