./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product26.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 e80e5ec358c01b9328a945ffeac50362818d778d67430de128e75eb1cc0d9bc1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:06:27,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:06:27,117 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:06:27,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:06:27,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:06:27,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:06:27,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:06:27,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:06:27,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:06:27,161 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:06:27,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:06:27,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:06:27,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:06:27,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:06:27,164 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:06:27,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:06:27,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:06:27,165 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:06:27,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:06:27,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:06:27,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:06:27,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:06:27,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:06:27,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:06:27,169 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:06:27,169 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:06:27,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:06:27,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:06:27,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:06:27,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:06:27,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:06:27,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:06:27,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:06:27,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:06:27,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:06:27,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:06:27,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:06:27,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:06:27,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:06:27,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:06:27,174 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:06:27,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:06:27,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e80e5ec358c01b9328a945ffeac50362818d778d67430de128e75eb1cc0d9bc1 [2024-11-08 15:06:27,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:06:27,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:06:27,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:06:27,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:06:27,453 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:06:27,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2024-11-08 15:06:28,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:06:29,188 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:06:29,189 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2024-11-08 15:06:29,215 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d2a0b253/cbff393dd6554c0aa82ff6714de65f71/FLAGfef27b8d5 [2024-11-08 15:06:29,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d2a0b253/cbff393dd6554c0aa82ff6714de65f71 [2024-11-08 15:06:29,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:06:29,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:06:29,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:06:29,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:06:29,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:06:29,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:06:29" (1/1) ... [2024-11-08 15:06:29,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e154320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:29, skipping insertion in model container [2024-11-08 15:06:29,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:06:29" (1/1) ... [2024-11-08 15:06:29,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:06:29,948 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c[51398,51411] [2024-11-08 15:06:30,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:06:30,016 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:06:30,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-08 15:06:30,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [414] [2024-11-08 15:06:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [758] [2024-11-08 15:06:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1826] [2024-11-08 15:06:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1861] [2024-11-08 15:06:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2273] [2024-11-08 15:06:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2321] [2024-11-08 15:06:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2330] [2024-11-08 15:06:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2552] [2024-11-08 15:06:30,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2569] [2024-11-08 15:06:30,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2674] [2024-11-08 15:06:30,104 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c[51398,51411] [2024-11-08 15:06:30,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:06:30,154 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:06:30,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30 WrapperNode [2024-11-08 15:06:30,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:06:30,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:06:30,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:06:30,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:06:30,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,230 INFO L138 Inliner]: procedures = 132, calls = 210, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1086 [2024-11-08 15:06:30,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:06:30,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:06:30,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:06:30,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:06:30,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,276 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 15:06:30,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:06:30,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:06:30,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:06:30,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:06:30,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (1/1) ... [2024-11-08 15:06:30,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:06:30,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:30,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:06:30,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:06:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-08 15:06:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-08 15:06:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 15:06:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 15:06:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 15:06:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 15:06:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 15:06:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 15:06:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 15:06:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 15:06:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 15:06:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 15:06:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 15:06:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 15:06:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 15:06:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 15:06:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 15:06:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 15:06:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 15:06:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 15:06:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 15:06:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 15:06:30,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 15:06:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 15:06:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-08 15:06:30,426 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-08 15:06:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 15:06:30,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 15:06:30,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:06:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-08 15:06:30,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-08 15:06:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 15:06:30,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 15:06:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 15:06:30,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 15:06:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 15:06:30,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 15:06:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 15:06:30,428 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 15:06:30,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 15:06:30,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 15:06:30,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 15:06:30,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 15:06:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 15:06:30,429 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 15:06:30,430 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 15:06:30,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 15:06:30,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:06:30,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:06:30,671 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:06:30,673 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:06:31,635 INFO L? ?]: Removed 541 outVars from TransFormulas that were not future-live. [2024-11-08 15:06:31,635 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:06:31,666 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:06:31,666 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 15:06:31,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:06:31 BoogieIcfgContainer [2024-11-08 15:06:31,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:06:31,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:06:31,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:06:31,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:06:31,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:06:29" (1/3) ... [2024-11-08 15:06:31,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f513e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:06:31, skipping insertion in model container [2024-11-08 15:06:31,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:06:30" (2/3) ... [2024-11-08 15:06:31,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f513e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:06:31, skipping insertion in model container [2024-11-08 15:06:31,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:06:31" (3/3) ... [2024-11-08 15:06:31,681 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product26.cil.c [2024-11-08 15:06:31,696 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:06:31,697 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:06:31,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:06:31,786 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;@10cc6d20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:06:31,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:06:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 319 states have (on average 1.5517241379310345) internal successors, (495), 324 states have internal predecessors, (495), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 15:06:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 15:06:31,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:31,831 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:31,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:31,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:31,839 INFO L85 PathProgramCache]: Analyzing trace with hash 600490209, now seen corresponding path program 1 times [2024-11-08 15:06:31,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:31,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172850690] [2024-11-08 15:06:31,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:31,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:06:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:06:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:06:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 15:06:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 15:06:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:06:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:06:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:06:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:06:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:06:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:06:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:06:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:06:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:06:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:06:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 15:06:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:06:32,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:32,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172850690] [2024-11-08 15:06:32,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172850690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:32,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168803191] [2024-11-08 15:06:32,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:32,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:32,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:32,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:32,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 15:06:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 15:06:33,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:33,219 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 15:06:33,220 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:33,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168803191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:33,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:33,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 15:06:33,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755646841] [2024-11-08 15:06:33,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:33,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:06:33,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:33,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:06:33,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:33,254 INFO L87 Difference]: Start difference. First operand has 412 states, 319 states have (on average 1.5517241379310345) internal successors, (495), 324 states have internal predecessors, (495), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:06:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:33,323 INFO L93 Difference]: Finished difference Result 626 states and 936 transitions. [2024-11-08 15:06:33,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:06:33,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 142 [2024-11-08 15:06:33,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:33,345 INFO L225 Difference]: With dead ends: 626 [2024-11-08 15:06:33,345 INFO L226 Difference]: Without dead ends: 405 [2024-11-08 15:06:33,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:33,359 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:33,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:33,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-08 15:06:33,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-11-08 15:06:33,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 313 states have (on average 1.5463258785942493) internal successors, (484), 317 states have internal predecessors, (484), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-08 15:06:33,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 615 transitions. [2024-11-08 15:06:33,442 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 615 transitions. Word has length 142 [2024-11-08 15:06:33,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:33,445 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 615 transitions. [2024-11-08 15:06:33,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:06:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 615 transitions. [2024-11-08 15:06:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 15:06:33,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:33,457 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:33,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 15:06:33,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 15:06:33,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:33,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:33,659 INFO L85 PathProgramCache]: Analyzing trace with hash -221791313, now seen corresponding path program 1 times [2024-11-08 15:06:33,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:33,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566851813] [2024-11-08 15:06:33,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:33,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:06:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:06:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:06:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 15:06:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 15:06:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:06:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:06:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:06:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:06:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:06:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:06:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:06:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:06:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:06:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:06:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 15:06:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:06:34,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:34,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566851813] [2024-11-08 15:06:34,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566851813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:34,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648584440] [2024-11-08 15:06:34,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:34,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:34,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:34,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:34,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 15:06:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 15:06:34,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 15:06:34,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:34,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648584440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:34,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:34,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:06:34,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553757549] [2024-11-08 15:06:34,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:34,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:06:34,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:34,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:06:34,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:06:34,463 INFO L87 Difference]: Start difference. First operand 405 states and 615 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:06:34,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:34,520 INFO L93 Difference]: Finished difference Result 616 states and 914 transitions. [2024-11-08 15:06:34,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:06:34,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 143 [2024-11-08 15:06:34,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:34,525 INFO L225 Difference]: With dead ends: 616 [2024-11-08 15:06:34,525 INFO L226 Difference]: Without dead ends: 408 [2024-11-08 15:06:34,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:06:34,528 INFO L432 NwaCegarLoop]: 613 mSDtfsCounter, 1 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:34,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1224 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-08 15:06:34,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2024-11-08 15:06:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 315 states have (on average 1.542857142857143) internal successors, (486), 319 states have internal predecessors, (486), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-08 15:06:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 617 transitions. [2024-11-08 15:06:34,555 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 617 transitions. Word has length 143 [2024-11-08 15:06:34,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:34,556 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 617 transitions. [2024-11-08 15:06:34,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:06:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 617 transitions. [2024-11-08 15:06:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 15:06:34,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:34,562 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:34,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 15:06:34,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 15:06:34,764 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:34,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:34,764 INFO L85 PathProgramCache]: Analyzing trace with hash -848256898, now seen corresponding path program 1 times [2024-11-08 15:06:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:34,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362320382] [2024-11-08 15:06:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:34,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:06:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:06:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:34,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:06:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 15:06:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:06:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:06:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:06:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:06:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:06:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:06:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:06:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:06:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 15:06:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:06:35,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:35,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362320382] [2024-11-08 15:06:35,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362320382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:35,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785981856] [2024-11-08 15:06:35,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:35,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:35,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:35,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:35,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 15:06:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:06:35,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:06:35,402 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:35,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785981856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:35,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:35,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:06:35,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278045286] [2024-11-08 15:06:35,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:35,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:06:35,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:35,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:06:35,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:06:35,406 INFO L87 Difference]: Start difference. First operand 407 states and 617 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:06:35,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:35,443 INFO L93 Difference]: Finished difference Result 867 states and 1334 transitions. [2024-11-08 15:06:35,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:06:35,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-08 15:06:35,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:35,450 INFO L225 Difference]: With dead ends: 867 [2024-11-08 15:06:35,450 INFO L226 Difference]: Without dead ends: 487 [2024-11-08 15:06:35,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:06:35,452 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 142 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:35,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1188 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:35,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-08 15:06:35,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 479. [2024-11-08 15:06:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 373 states have (on average 1.5630026809651474) internal successors, (583), 377 states have internal predecessors, (583), 80 states have call successors, (80), 25 states have call predecessors, (80), 25 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-08 15:06:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 742 transitions. [2024-11-08 15:06:35,486 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 742 transitions. Word has length 133 [2024-11-08 15:06:35,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:35,487 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 742 transitions. [2024-11-08 15:06:35,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:06:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 742 transitions. [2024-11-08 15:06:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 15:06:35,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:35,490 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:35,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 15:06:35,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:35,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:35,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:35,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2117883540, now seen corresponding path program 1 times [2024-11-08 15:06:35,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:35,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435226263] [2024-11-08 15:06:35,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:06:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:06:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:06:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 15:06:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 15:06:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:06:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:06:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:06:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:06:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:06:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:06:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:06:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:06:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:06:35,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:35,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435226263] [2024-11-08 15:06:35,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435226263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:35,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800740291] [2024-11-08 15:06:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:35,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:35,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:35,967 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:35,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 15:06:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:36,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 15:06:36,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 15:06:36,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:36,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800740291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:36,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:36,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 15:06:36,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237382501] [2024-11-08 15:06:36,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:36,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:06:36,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:36,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:06:36,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:06:36,431 INFO L87 Difference]: Start difference. First operand 479 states and 742 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 15:06:36,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:36,503 INFO L93 Difference]: Finished difference Result 949 states and 1474 transitions. [2024-11-08 15:06:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:06:36,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 134 [2024-11-08 15:06:36,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:36,509 INFO L225 Difference]: With dead ends: 949 [2024-11-08 15:06:36,509 INFO L226 Difference]: Without dead ends: 481 [2024-11-08 15:06:36,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:06:36,515 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 2 mSDsluCounter, 1810 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:36,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2417 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:36,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-08 15:06:36,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2024-11-08 15:06:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 374 states have (on average 1.5614973262032086) internal successors, (584), 379 states have internal predecessors, (584), 80 states have call successors, (80), 25 states have call predecessors, (80), 26 states have return successors, (81), 78 states have call predecessors, (81), 79 states have call successors, (81) [2024-11-08 15:06:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 745 transitions. [2024-11-08 15:06:36,540 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 745 transitions. Word has length 134 [2024-11-08 15:06:36,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:36,541 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 745 transitions. [2024-11-08 15:06:36,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 15:06:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 745 transitions. [2024-11-08 15:06:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 15:06:36,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:36,545 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:36,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 15:06:36,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:36,745 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:36,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:36,746 INFO L85 PathProgramCache]: Analyzing trace with hash -165616858, now seen corresponding path program 1 times [2024-11-08 15:06:36,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:36,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642855378] [2024-11-08 15:06:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:36,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:36,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:36,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:36,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:36,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:36,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:06:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:36,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:06:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:36,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:06:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:06:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:06:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:06:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:06:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:06:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:06:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:06:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 15:06:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 15:06:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:06:37,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:37,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642855378] [2024-11-08 15:06:37,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642855378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:37,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281857741] [2024-11-08 15:06:37,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:37,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:37,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:37,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:37,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 15:06:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 15:06:37,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 15:06:37,438 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:06:37,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281857741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:37,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:06:37,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 15:06:37,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049901269] [2024-11-08 15:06:37,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:37,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:06:37,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:37,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:06:37,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:06:37,442 INFO L87 Difference]: Start difference. First operand 481 states and 745 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 15:06:37,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:37,503 INFO L93 Difference]: Finished difference Result 951 states and 1479 transitions. [2024-11-08 15:06:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:06:37,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 135 [2024-11-08 15:06:37,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:37,511 INFO L225 Difference]: With dead ends: 951 [2024-11-08 15:06:37,511 INFO L226 Difference]: Without dead ends: 483 [2024-11-08 15:06:37,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:06:37,514 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 2 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2403 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:37,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2403 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:06:37,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-08 15:06:37,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2024-11-08 15:06:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 375 states have (on average 1.56) internal successors, (585), 381 states have internal predecessors, (585), 80 states have call successors, (80), 25 states have call predecessors, (80), 27 states have return successors, (86), 78 states have call predecessors, (86), 79 states have call successors, (86) [2024-11-08 15:06:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 751 transitions. [2024-11-08 15:06:37,540 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 751 transitions. Word has length 135 [2024-11-08 15:06:37,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:37,541 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 751 transitions. [2024-11-08 15:06:37,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 15:06:37,541 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 751 transitions. [2024-11-08 15:06:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 15:06:37,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:37,544 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:37,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 15:06:37,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:37,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:37,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:37,750 INFO L85 PathProgramCache]: Analyzing trace with hash 710296192, now seen corresponding path program 1 times [2024-11-08 15:06:37,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:37,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513000974] [2024-11-08 15:06:37,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:37,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 15:06:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:06:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 15:06:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:06:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:06:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:06:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:06:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:06:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:06:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:06:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:06:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:06:37,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:37,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513000974] [2024-11-08 15:06:37,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513000974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:37,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:37,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:06:37,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725701601] [2024-11-08 15:06:37,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:37,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:06:37,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:37,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:06:37,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:37,979 INFO L87 Difference]: Start difference. First operand 483 states and 751 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 15:06:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:40,641 INFO L93 Difference]: Finished difference Result 1137 states and 1794 transitions. [2024-11-08 15:06:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:06:40,642 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 136 [2024-11-08 15:06:40,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:40,646 INFO L225 Difference]: With dead ends: 1137 [2024-11-08 15:06:40,647 INFO L226 Difference]: Without dead ends: 677 [2024-11-08 15:06:40,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:06:40,649 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1349 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 3539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:40,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 1403 Invalid, 3539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 3056 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 15:06:40,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-08 15:06:40,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 483. [2024-11-08 15:06:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 375 states have (on average 1.56) internal successors, (585), 381 states have internal predecessors, (585), 80 states have call successors, (80), 25 states have call predecessors, (80), 27 states have return successors, (85), 78 states have call predecessors, (85), 79 states have call successors, (85) [2024-11-08 15:06:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 750 transitions. [2024-11-08 15:06:40,686 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 750 transitions. Word has length 136 [2024-11-08 15:06:40,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:40,686 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 750 transitions. [2024-11-08 15:06:40,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 15:06:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 750 transitions. [2024-11-08 15:06:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 15:06:40,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:40,689 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:40,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:06:40,689 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:40,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:40,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1070696002, now seen corresponding path program 1 times [2024-11-08 15:06:40,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:40,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668754852] [2024-11-08 15:06:40,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:40,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 15:06:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:06:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:06:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:06:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:06:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:06:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:06:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:06:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:06:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:06:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:06:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 15:06:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 15:06:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 15:06:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 15:06:40,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:40,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668754852] [2024-11-08 15:06:40,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668754852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:40,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:40,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:06:40,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323778078] [2024-11-08 15:06:40,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:40,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:06:40,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:40,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:06:40,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:06:40,919 INFO L87 Difference]: Start difference. First operand 483 states and 750 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-08 15:06:43,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:43,214 INFO L93 Difference]: Finished difference Result 1139 states and 1797 transitions. [2024-11-08 15:06:43,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:06:43,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 156 [2024-11-08 15:06:43,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:43,245 INFO L225 Difference]: With dead ends: 1139 [2024-11-08 15:06:43,245 INFO L226 Difference]: Without dead ends: 679 [2024-11-08 15:06:43,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:06:43,247 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1341 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3068 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 3531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 3068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:43,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 1401 Invalid, 3531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 3068 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 15:06:43,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-08 15:06:43,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 485. [2024-11-08 15:06:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 376 states have (on average 1.5585106382978724) internal successors, (586), 383 states have internal predecessors, (586), 80 states have call successors, (80), 25 states have call predecessors, (80), 28 states have return successors, (87), 78 states have call predecessors, (87), 79 states have call successors, (87) [2024-11-08 15:06:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 753 transitions. [2024-11-08 15:06:43,285 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 753 transitions. Word has length 156 [2024-11-08 15:06:43,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:43,285 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 753 transitions. [2024-11-08 15:06:43,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-08 15:06:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 753 transitions. [2024-11-08 15:06:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 15:06:43,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:43,288 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:43,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:06:43,288 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:43,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash 734695451, now seen corresponding path program 1 times [2024-11-08 15:06:43,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:43,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183729263] [2024-11-08 15:06:43,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:43,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:06:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 15:06:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:06:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:06:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:06:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:06:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:06:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:06:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:06:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:06:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:06:43,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:43,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183729263] [2024-11-08 15:06:43,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183729263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:43,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:43,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:06:43,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952402700] [2024-11-08 15:06:43,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:43,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:06:43,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:43,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:06:43,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:06:43,548 INFO L87 Difference]: Start difference. First operand 485 states and 753 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-08 15:06:46,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:46,446 INFO L93 Difference]: Finished difference Result 1137 states and 1792 transitions. [2024-11-08 15:06:46,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:06:46,447 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 138 [2024-11-08 15:06:46,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:46,452 INFO L225 Difference]: With dead ends: 1137 [2024-11-08 15:06:46,452 INFO L226 Difference]: Without dead ends: 679 [2024-11-08 15:06:46,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:06:46,454 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1352 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 5533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:46,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1353 Valid, 1944 Invalid, 5533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 15:06:46,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-08 15:06:46,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 485. [2024-11-08 15:06:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 376 states have (on average 1.5585106382978724) internal successors, (586), 383 states have internal predecessors, (586), 80 states have call successors, (80), 25 states have call predecessors, (80), 28 states have return successors, (86), 78 states have call predecessors, (86), 79 states have call successors, (86) [2024-11-08 15:06:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 752 transitions. [2024-11-08 15:06:46,496 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 752 transitions. Word has length 138 [2024-11-08 15:06:46,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:46,497 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 752 transitions. [2024-11-08 15:06:46,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-08 15:06:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 752 transitions. [2024-11-08 15:06:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 15:06:46,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:46,499 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:46,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:06:46,500 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:46,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:46,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1770125293, now seen corresponding path program 1 times [2024-11-08 15:06:46,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:46,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114603569] [2024-11-08 15:06:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:46,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 15:06:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:06:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:06:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:06:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:06:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:06:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:06:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:06:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:06:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 15:06:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 15:06:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 15:06:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 15:06:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:46,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:46,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114603569] [2024-11-08 15:06:46,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114603569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:46,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:46,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:06:46,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535006925] [2024-11-08 15:06:46,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:46,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:06:46,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:46,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:06:46,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:06:46,755 INFO L87 Difference]: Start difference. First operand 485 states and 752 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-08 15:06:49,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:49,678 INFO L93 Difference]: Finished difference Result 1139 states and 1798 transitions. [2024-11-08 15:06:49,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:06:49,678 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 158 [2024-11-08 15:06:49,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:49,683 INFO L225 Difference]: With dead ends: 1139 [2024-11-08 15:06:49,683 INFO L226 Difference]: Without dead ends: 681 [2024-11-08 15:06:49,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:06:49,686 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1349 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5107 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 5593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 5107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:49,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 1945 Invalid, 5593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 5107 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 15:06:49,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-08 15:06:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 487. [2024-11-08 15:06:49,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 377 states have (on average 1.557029177718833) internal successors, (587), 385 states have internal predecessors, (587), 80 states have call successors, (80), 25 states have call predecessors, (80), 29 states have return successors, (91), 78 states have call predecessors, (91), 79 states have call successors, (91) [2024-11-08 15:06:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 758 transitions. [2024-11-08 15:06:49,748 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 758 transitions. Word has length 158 [2024-11-08 15:06:49,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:49,748 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 758 transitions. [2024-11-08 15:06:49,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-08 15:06:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 758 transitions. [2024-11-08 15:06:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 15:06:49,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:49,751 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:49,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:06:49,751 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:49,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:49,752 INFO L85 PathProgramCache]: Analyzing trace with hash -389717706, now seen corresponding path program 1 times [2024-11-08 15:06:49,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:49,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085436813] [2024-11-08 15:06:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:49,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:49,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:06:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:06:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:06:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:06:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:06:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:06:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:06:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:06:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:06:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 15:06:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 15:06:50,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:50,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085436813] [2024-11-08 15:06:50,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085436813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:06:50,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811727758] [2024-11-08 15:06:50,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:50,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:50,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:06:50,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:06:50,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 15:06:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:50,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:06:50,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:06:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:50,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:06:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:50,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811727758] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:06:50,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:06:50,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 15:06:50,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482852842] [2024-11-08 15:06:50,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:06:50,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 15:06:50,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:50,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 15:06:50,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:06:50,480 INFO L87 Difference]: Start difference. First operand 487 states and 758 transitions. Second operand has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (38), 6 states have call predecessors, (38), 3 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-08 15:06:53,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:53,415 INFO L93 Difference]: Finished difference Result 1604 states and 2635 transitions. [2024-11-08 15:06:53,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 15:06:53,415 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (38), 6 states have call predecessors, (38), 3 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 140 [2024-11-08 15:06:53,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:53,424 INFO L225 Difference]: With dead ends: 1604 [2024-11-08 15:06:53,424 INFO L226 Difference]: Without dead ends: 1148 [2024-11-08 15:06:53,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 15:06:53,427 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 2934 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 4754 mSolverCounterSat, 945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 5699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 945 IncrementalHoareTripleChecker+Valid, 4754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:53,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 2144 Invalid, 5699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [945 Valid, 4754 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 15:06:53,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2024-11-08 15:06:53,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 930. [2024-11-08 15:06:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 741 states have (on average 1.6099865047233468) internal successors, (1193), 749 states have internal predecessors, (1193), 159 states have call successors, (159), 25 states have call predecessors, (159), 29 states have return successors, (180), 157 states have call predecessors, (180), 158 states have call successors, (180) [2024-11-08 15:06:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1532 transitions. [2024-11-08 15:06:53,485 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1532 transitions. Word has length 140 [2024-11-08 15:06:53,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:53,485 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1532 transitions. [2024-11-08 15:06:53,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (38), 6 states have call predecessors, (38), 3 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-08 15:06:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1532 transitions. [2024-11-08 15:06:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 15:06:53,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:53,491 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:53,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 15:06:53,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:06:53,692 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:53,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:53,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1887412203, now seen corresponding path program 1 times [2024-11-08 15:06:53,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:53,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292826853] [2024-11-08 15:06:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:53,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 15:06:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:06:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:06:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:06:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:06:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:06:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:06:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:06:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:06:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 15:06:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:53,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:53,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292826853] [2024-11-08 15:06:53,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292826853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:53,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:53,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:53,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501410499] [2024-11-08 15:06:53,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:53,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:53,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:53,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:53,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:53,807 INFO L87 Difference]: Start difference. First operand 930 states and 1532 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:06:55,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:55,343 INFO L93 Difference]: Finished difference Result 2399 states and 4044 transitions. [2024-11-08 15:06:55,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:55,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 143 [2024-11-08 15:06:55,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:55,354 INFO L225 Difference]: With dead ends: 2399 [2024-11-08 15:06:55,354 INFO L226 Difference]: Without dead ends: 1547 [2024-11-08 15:06:55,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:55,359 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 1496 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:55,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1071 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:06:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2024-11-08 15:06:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1345. [2024-11-08 15:06:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1077 states have (on average 1.627669452181987) internal successors, (1753), 1085 states have internal predecessors, (1753), 238 states have call successors, (238), 25 states have call predecessors, (238), 29 states have return successors, (269), 236 states have call predecessors, (269), 237 states have call successors, (269) [2024-11-08 15:06:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 2260 transitions. [2024-11-08 15:06:55,431 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 2260 transitions. Word has length 143 [2024-11-08 15:06:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:55,433 INFO L471 AbstractCegarLoop]: Abstraction has 1345 states and 2260 transitions. [2024-11-08 15:06:55,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:06:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2260 transitions. [2024-11-08 15:06:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 15:06:55,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:55,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:55,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:06:55,441 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:55,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:55,441 INFO L85 PathProgramCache]: Analyzing trace with hash 126129074, now seen corresponding path program 1 times [2024-11-08 15:06:55,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:55,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448029865] [2024-11-08 15:06:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:55,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:06:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:06:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:06:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:06:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:06:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:06:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:06:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:06:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:06:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 15:06:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:06:55,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:55,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448029865] [2024-11-08 15:06:55,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448029865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:55,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:55,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:55,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678389976] [2024-11-08 15:06:55,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:55,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:55,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:55,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:55,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:55,579 INFO L87 Difference]: Start difference. First operand 1345 states and 2260 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:06:57,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:57,302 INFO L93 Difference]: Finished difference Result 3438 states and 5857 transitions. [2024-11-08 15:06:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:57,303 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 144 [2024-11-08 15:06:57,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:57,316 INFO L225 Difference]: With dead ends: 3438 [2024-11-08 15:06:57,316 INFO L226 Difference]: Without dead ends: 2224 [2024-11-08 15:06:57,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:57,322 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1499 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:57,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 1025 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [562 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 15:06:57,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2024-11-08 15:06:57,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 2022. [2024-11-08 15:06:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2022 states, 1635 states have (on average 1.636085626911315) internal successors, (2675), 1643 states have internal predecessors, (2675), 357 states have call successors, (357), 25 states have call predecessors, (357), 29 states have return successors, (388), 355 states have call predecessors, (388), 356 states have call successors, (388) [2024-11-08 15:06:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 3420 transitions. [2024-11-08 15:06:57,414 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 3420 transitions. Word has length 144 [2024-11-08 15:06:57,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:57,415 INFO L471 AbstractCegarLoop]: Abstraction has 2022 states and 3420 transitions. [2024-11-08 15:06:57,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:06:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 3420 transitions. [2024-11-08 15:06:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 15:06:57,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:57,425 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:57,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:06:57,425 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:57,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:57,426 INFO L85 PathProgramCache]: Analyzing trace with hash -418139245, now seen corresponding path program 1 times [2024-11-08 15:06:57,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:57,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275621872] [2024-11-08 15:06:57,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:57,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:06:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:06:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:06:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:06:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:06:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:06:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:06:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:06:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:06:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 15:06:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 15:06:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 15:06:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 15:06:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 15:06:57,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:57,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275621872] [2024-11-08 15:06:57,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275621872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:57,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:57,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:57,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469385966] [2024-11-08 15:06:57,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:57,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:57,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:57,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:57,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:57,585 INFO L87 Difference]: Start difference. First operand 2022 states and 3420 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:06:59,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:06:59,256 INFO L93 Difference]: Finished difference Result 5023 states and 8636 transitions. [2024-11-08 15:06:59,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:06:59,257 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 164 [2024-11-08 15:06:59,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:06:59,277 INFO L225 Difference]: With dead ends: 5023 [2024-11-08 15:06:59,277 INFO L226 Difference]: Without dead ends: 3267 [2024-11-08 15:06:59,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:06:59,285 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1484 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 541 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:06:59,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 1024 Invalid, 2252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [541 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:06:59,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2024-11-08 15:06:59,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 3065. [2024-11-08 15:06:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3065 states, 2516 states have (on average 1.6426868044515104) internal successors, (4133), 2524 states have internal predecessors, (4133), 519 states have call successors, (519), 25 states have call predecessors, (519), 29 states have return successors, (566), 517 states have call predecessors, (566), 518 states have call successors, (566) [2024-11-08 15:06:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 3065 states and 5218 transitions. [2024-11-08 15:06:59,437 INFO L78 Accepts]: Start accepts. Automaton has 3065 states and 5218 transitions. Word has length 164 [2024-11-08 15:06:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:06:59,438 INFO L471 AbstractCegarLoop]: Abstraction has 3065 states and 5218 transitions. [2024-11-08 15:06:59,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:06:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 5218 transitions. [2024-11-08 15:06:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-08 15:06:59,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:06:59,453 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:06:59,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:06:59,453 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:06:59,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:06:59,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1426222563, now seen corresponding path program 1 times [2024-11-08 15:06:59,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:06:59,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467939840] [2024-11-08 15:06:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:06:59,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:06:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:06:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:06:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:06:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:06:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:06:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:06:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:06:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:06:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:06:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:06:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:06:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:06:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:06:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 15:06:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 15:06:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 15:06:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 15:06:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 15:06:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 15:06:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:06:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 15:06:59,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:06:59,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467939840] [2024-11-08 15:06:59,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467939840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:06:59,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:06:59,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:06:59,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016505335] [2024-11-08 15:06:59,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:06:59,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:06:59,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:06:59,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:06:59,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:06:59,604 INFO L87 Difference]: Start difference. First operand 3065 states and 5218 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:01,311 INFO L93 Difference]: Finished difference Result 7537 states and 13051 transitions. [2024-11-08 15:07:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:01,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 165 [2024-11-08 15:07:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:01,340 INFO L225 Difference]: With dead ends: 7537 [2024-11-08 15:07:01,341 INFO L226 Difference]: Without dead ends: 4957 [2024-11-08 15:07:01,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:01,351 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1498 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:01,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 1023 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [558 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:07:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4957 states. [2024-11-08 15:07:01,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4957 to 4755. [2024-11-08 15:07:01,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4755 states, 3961 states have (on average 1.647311285029033) internal successors, (6525), 3969 states have internal predecessors, (6525), 764 states have call successors, (764), 25 states have call predecessors, (764), 29 states have return successors, (837), 762 states have call predecessors, (837), 763 states have call successors, (837) [2024-11-08 15:07:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 4755 states and 8126 transitions. [2024-11-08 15:07:01,632 INFO L78 Accepts]: Start accepts. Automaton has 4755 states and 8126 transitions. Word has length 165 [2024-11-08 15:07:01,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:01,633 INFO L471 AbstractCegarLoop]: Abstraction has 4755 states and 8126 transitions. [2024-11-08 15:07:01,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand 4755 states and 8126 transitions. [2024-11-08 15:07:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 15:07:01,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:01,655 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:01,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:07:01,656 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:01,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:01,656 INFO L85 PathProgramCache]: Analyzing trace with hash 447078135, now seen corresponding path program 1 times [2024-11-08 15:07:01,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:01,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923512965] [2024-11-08 15:07:01,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:01,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:07:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:07:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:07:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:07:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:07:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:07:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:07:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:07:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 15:07:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 15:07:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 15:07:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 15:07:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 15:07:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 15:07:01,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:01,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923512965] [2024-11-08 15:07:01,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923512965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:01,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:01,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:01,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657046648] [2024-11-08 15:07:01,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:01,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:01,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:01,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:01,817 INFO L87 Difference]: Start difference. First operand 4755 states and 8126 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:03,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:03,529 INFO L93 Difference]: Finished difference Result 11738 states and 20428 transitions. [2024-11-08 15:07:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:03,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 166 [2024-11-08 15:07:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:03,574 INFO L225 Difference]: With dead ends: 11738 [2024-11-08 15:07:03,574 INFO L226 Difference]: Without dead ends: 7800 [2024-11-08 15:07:03,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:03,588 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1487 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 2290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:03,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 1089 Invalid, 2290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:07:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7800 states. [2024-11-08 15:07:03,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7800 to 7598. [2024-11-08 15:07:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7598 states, 6311 states have (on average 1.6453810806528284) internal successors, (10384), 6319 states have internal predecessors, (10384), 1257 states have call successors, (1257), 25 states have call predecessors, (1257), 29 states have return successors, (1374), 1255 states have call predecessors, (1374), 1256 states have call successors, (1374) [2024-11-08 15:07:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7598 states to 7598 states and 13015 transitions. [2024-11-08 15:07:03,912 INFO L78 Accepts]: Start accepts. Automaton has 7598 states and 13015 transitions. Word has length 166 [2024-11-08 15:07:03,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:03,912 INFO L471 AbstractCegarLoop]: Abstraction has 7598 states and 13015 transitions. [2024-11-08 15:07:03,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 7598 states and 13015 transitions. [2024-11-08 15:07:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-08 15:07:04,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:04,001 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:04,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:07:04,001 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:04,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:04,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1579027841, now seen corresponding path program 1 times [2024-11-08 15:07:04,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:04,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723632552] [2024-11-08 15:07:04,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:04,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:07:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:07:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:07:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:07:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:07:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:07:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:07:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 15:07:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 15:07:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 15:07:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 15:07:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 15:07:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 15:07:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 15:07:04,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:04,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723632552] [2024-11-08 15:07:04,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723632552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:04,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:04,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:04,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410029471] [2024-11-08 15:07:04,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:04,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:04,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:04,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:04,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:04,130 INFO L87 Difference]: Start difference. First operand 7598 states and 13015 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:05,827 INFO L93 Difference]: Finished difference Result 19353 states and 33704 transitions. [2024-11-08 15:07:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:05,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 167 [2024-11-08 15:07:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:05,892 INFO L225 Difference]: With dead ends: 19353 [2024-11-08 15:07:05,892 INFO L226 Difference]: Without dead ends: 12974 [2024-11-08 15:07:05,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:05,919 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1483 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:05,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 1026 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:07:05,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12974 states. [2024-11-08 15:07:06,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12974 to 12772. [2024-11-08 15:07:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12772 states, 10663 states have (on average 1.6455969239426054) internal successors, (17547), 10671 states have internal predecessors, (17547), 2079 states have call successors, (2079), 25 states have call predecessors, (2079), 29 states have return successors, (2274), 2077 states have call predecessors, (2274), 2078 states have call successors, (2274) [2024-11-08 15:07:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12772 states to 12772 states and 21900 transitions. [2024-11-08 15:07:06,645 INFO L78 Accepts]: Start accepts. Automaton has 12772 states and 21900 transitions. Word has length 167 [2024-11-08 15:07:06,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:06,646 INFO L471 AbstractCegarLoop]: Abstraction has 12772 states and 21900 transitions. [2024-11-08 15:07:06,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 12772 states and 21900 transitions. [2024-11-08 15:07:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 15:07:06,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:06,680 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:06,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:07:06,680 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:06,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:06,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1194644371, now seen corresponding path program 1 times [2024-11-08 15:07:06,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:06,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604982930] [2024-11-08 15:07:06,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:07:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:07:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:07:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:07:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:07:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:07:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:07:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:07:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 15:07:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 15:07:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:07:06,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:06,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604982930] [2024-11-08 15:07:06,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604982930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:06,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:06,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:06,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978931932] [2024-11-08 15:07:06,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:06,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:06,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:06,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:06,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:06,809 INFO L87 Difference]: Start difference. First operand 12772 states and 21900 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:07:08,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:08,678 INFO L93 Difference]: Finished difference Result 30836 states and 53404 transitions. [2024-11-08 15:07:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:08,678 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 149 [2024-11-08 15:07:08,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:08,759 INFO L225 Difference]: With dead ends: 30836 [2024-11-08 15:07:08,759 INFO L226 Difference]: Without dead ends: 20287 [2024-11-08 15:07:08,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:08,786 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1482 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1708 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 2256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 1708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:08,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 998 Invalid, 2256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [548 Valid, 1708 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:07:08,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20287 states. [2024-11-08 15:07:09,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20287 to 20085. [2024-11-08 15:07:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20085 states, 16773 states have (on average 1.6212365110594407) internal successors, (27193), 16781 states have internal predecessors, (27193), 3282 states have call successors, (3282), 25 states have call predecessors, (3282), 29 states have return successors, (3621), 3280 states have call predecessors, (3621), 3281 states have call successors, (3621) [2024-11-08 15:07:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20085 states to 20085 states and 34096 transitions. [2024-11-08 15:07:09,661 INFO L78 Accepts]: Start accepts. Automaton has 20085 states and 34096 transitions. Word has length 149 [2024-11-08 15:07:09,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:09,662 INFO L471 AbstractCegarLoop]: Abstraction has 20085 states and 34096 transitions. [2024-11-08 15:07:09,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:07:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 20085 states and 34096 transitions. [2024-11-08 15:07:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-08 15:07:09,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:09,699 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:09,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:07:09,699 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:09,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:09,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1068301886, now seen corresponding path program 1 times [2024-11-08 15:07:09,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:09,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749357759] [2024-11-08 15:07:09,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:09,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:07:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:07:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:07:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:07:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:07:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:07:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:07:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:07:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 15:07:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 15:07:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 15:07:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 15:07:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 15:07:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 15:07:09,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:09,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749357759] [2024-11-08 15:07:09,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749357759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:09,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:09,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:09,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307018907] [2024-11-08 15:07:09,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:09,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:09,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:09,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:09,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:09,826 INFO L87 Difference]: Start difference. First operand 20085 states and 34096 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:12,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:12,401 INFO L93 Difference]: Finished difference Result 53278 states and 91938 transitions. [2024-11-08 15:07:12,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:12,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 169 [2024-11-08 15:07:12,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:12,553 INFO L225 Difference]: With dead ends: 53278 [2024-11-08 15:07:12,553 INFO L226 Difference]: Without dead ends: 36093 [2024-11-08 15:07:12,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:12,620 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1466 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 541 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:12,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 1025 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [541 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:07:12,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36093 states. [2024-11-08 15:07:14,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36093 to 35891. [2024-11-08 15:07:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35891 states, 30129 states have (on average 1.6182083706727737) internal successors, (48755), 30137 states have internal predecessors, (48755), 5732 states have call successors, (5732), 25 states have call predecessors, (5732), 29 states have return successors, (6345), 5730 states have call predecessors, (6345), 5731 states have call successors, (6345) [2024-11-08 15:07:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35891 states to 35891 states and 60832 transitions. [2024-11-08 15:07:14,274 INFO L78 Accepts]: Start accepts. Automaton has 35891 states and 60832 transitions. Word has length 169 [2024-11-08 15:07:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:14,276 INFO L471 AbstractCegarLoop]: Abstraction has 35891 states and 60832 transitions. [2024-11-08 15:07:14,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 35891 states and 60832 transitions. [2024-11-08 15:07:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-08 15:07:14,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:14,318 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:14,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:07:14,319 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:14,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:14,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1647427281, now seen corresponding path program 1 times [2024-11-08 15:07:14,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:14,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587465071] [2024-11-08 15:07:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:14,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:07:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:07:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:07:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:07:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:07:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:07:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:07:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:07:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 15:07:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 15:07:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 15:07:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 15:07:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 15:07:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 15:07:14,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:14,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587465071] [2024-11-08 15:07:14,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587465071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:14,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:14,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:14,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522348910] [2024-11-08 15:07:14,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:14,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:14,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:14,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:14,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:14,433 INFO L87 Difference]: Start difference. First operand 35891 states and 60832 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:17,701 INFO L93 Difference]: Finished difference Result 98125 states and 168497 transitions. [2024-11-08 15:07:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:17,701 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 170 [2024-11-08 15:07:17,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:18,209 INFO L225 Difference]: With dead ends: 98125 [2024-11-08 15:07:18,210 INFO L226 Difference]: Without dead ends: 66090 [2024-11-08 15:07:18,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:18,304 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1481 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 2258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:18,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 1026 Invalid, 2258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 15:07:18,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66090 states. [2024-11-08 15:07:20,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66090 to 65888. [2024-11-08 15:07:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65888 states, 55613 states have (on average 1.6141549637674644) internal successors, (89768), 55621 states have internal predecessors, (89768), 10245 states have call successors, (10245), 25 states have call predecessors, (10245), 29 states have return successors, (11390), 10243 states have call predecessors, (11390), 10244 states have call successors, (11390) [2024-11-08 15:07:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65888 states to 65888 states and 111403 transitions. [2024-11-08 15:07:21,284 INFO L78 Accepts]: Start accepts. Automaton has 65888 states and 111403 transitions. Word has length 170 [2024-11-08 15:07:21,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:21,285 INFO L471 AbstractCegarLoop]: Abstraction has 65888 states and 111403 transitions. [2024-11-08 15:07:21,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 65888 states and 111403 transitions. [2024-11-08 15:07:21,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 15:07:21,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:21,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:21,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:07:21,337 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:21,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:21,337 INFO L85 PathProgramCache]: Analyzing trace with hash 177741048, now seen corresponding path program 1 times [2024-11-08 15:07:21,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:21,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848554208] [2024-11-08 15:07:21,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:21,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:07:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:07:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:07:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:07:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:07:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:07:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 15:07:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 15:07:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 15:07:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 15:07:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 15:07:21,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:21,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848554208] [2024-11-08 15:07:21,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848554208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:21,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:21,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:21,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995138284] [2024-11-08 15:07:21,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:21,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:21,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:21,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:21,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:21,441 INFO L87 Difference]: Start difference. First operand 65888 states and 111403 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:07:25,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:25,334 INFO L93 Difference]: Finished difference Result 123786 states and 212930 transitions. [2024-11-08 15:07:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:25,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 152 [2024-11-08 15:07:25,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:26,041 INFO L225 Difference]: With dead ends: 123786 [2024-11-08 15:07:26,041 INFO L226 Difference]: Without dead ends: 123578 [2024-11-08 15:07:26,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:26,076 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1481 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:26,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 1034 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:07:26,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123578 states. [2024-11-08 15:07:29,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123578 to 123376. [2024-11-08 15:07:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123376 states, 104733 states have (on average 1.6090439498534368) internal successors, (168520), 104741 states have internal predecessors, (168520), 18613 states have call successors, (18613), 25 states have call predecessors, (18613), 29 states have return successors, (20804), 18611 states have call predecessors, (20804), 18612 states have call successors, (20804) [2024-11-08 15:07:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123376 states to 123376 states and 207937 transitions. [2024-11-08 15:07:30,656 INFO L78 Accepts]: Start accepts. Automaton has 123376 states and 207937 transitions. Word has length 152 [2024-11-08 15:07:30,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:30,657 INFO L471 AbstractCegarLoop]: Abstraction has 123376 states and 207937 transitions. [2024-11-08 15:07:30,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 15:07:30,657 INFO L276 IsEmpty]: Start isEmpty. Operand 123376 states and 207937 transitions. [2024-11-08 15:07:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-08 15:07:30,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:30,739 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:30,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:07:30,739 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:30,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:30,740 INFO L85 PathProgramCache]: Analyzing trace with hash 211825904, now seen corresponding path program 1 times [2024-11-08 15:07:30,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:30,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227352869] [2024-11-08 15:07:30,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:30,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:07:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:07:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:07:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:07:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:07:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:07:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:07:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:31,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 15:07:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:31,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 15:07:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:31,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 15:07:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 15:07:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 15:07:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 15:07:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 15:07:31,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:31,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227352869] [2024-11-08 15:07:31,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227352869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:31,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:31,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 15:07:31,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088429988] [2024-11-08 15:07:31,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:31,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 15:07:31,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:31,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 15:07:31,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:07:31,015 INFO L87 Difference]: Start difference. First operand 123376 states and 207937 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 15:07:38,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:38,917 INFO L93 Difference]: Finished difference Result 237488 states and 408148 transitions. [2024-11-08 15:07:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 15:07:38,918 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 172 [2024-11-08 15:07:38,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted.