./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_spec0_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 2214b99fc6848bca0f24e9e72f44d1848092675b0f72a15c952711ed7656fcb1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:05:25,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:05:25,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:05:25,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:05:25,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:05:25,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:05:25,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:05:25,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:05:25,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:05:25,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:05:25,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:05:25,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:05:25,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:05:25,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:05:25,289 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:05:25,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:05:25,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:05:25,290 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:05:25,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:05:25,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:05:25,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:05:25,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:05:25,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:05:25,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:05:25,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:05:25,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:05:25,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:05:25,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:05:25,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:05:25,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:05:25,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:05:25,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:05:25,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:05:25,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:05:25,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:05:25,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:05:25,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:05:25,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:05:25,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:05:25,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:05:25,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:05:25,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:05:25,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2214b99fc6848bca0f24e9e72f44d1848092675b0f72a15c952711ed7656fcb1 [2024-11-18 14:05:25,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:05:25,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:05:25,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:05:25,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:05:25,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:05:25,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2024-11-18 14:05:27,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:05:27,347 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:05:27,348 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2024-11-18 14:05:27,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bbb8a2c/bd53687e134542bb98bb24faa8d55a8f/FLAG0584c5a64 [2024-11-18 14:05:27,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bbb8a2c/bd53687e134542bb98bb24faa8d55a8f [2024-11-18 14:05:27,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:05:27,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:05:27,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:05:27,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:05:27,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:05:27,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:05:27" (1/1) ... [2024-11-18 14:05:27,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fd2d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:27, skipping insertion in model container [2024-11-18 14:05:27,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:05:27" (1/1) ... [2024-11-18 14:05:27,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:05:28,136 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_spec0_product26.cil.c[63882,63895] [2024-11-18 14:05:28,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:05:28,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:05:28,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-18 14:05:28,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [424] [2024-11-18 14:05:28,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [828] [2024-11-18 14:05:28,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1152] [2024-11-18 14:05:28,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1374] [2024-11-18 14:05:28,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1477] [2024-11-18 14:05:28,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1512] [2024-11-18 14:05:28,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2572] [2024-11-18 14:05:28,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2592] [2024-11-18 14:05:28,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2958] [2024-11-18 14:05:28,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2975] [2024-11-18 14:05:28,276 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_spec0_product26.cil.c[63882,63895] [2024-11-18 14:05:28,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:05:28,318 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:05:28,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28 WrapperNode [2024-11-18 14:05:28,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:05:28,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:05:28,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:05:28,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:05:28,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,410 INFO L138 Inliner]: procedures = 131, calls = 204, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1089 [2024-11-18 14:05:28,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:05:28,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:05:28,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:05:28,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:05:28,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,448 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,490 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]. [2024-11-18 14:05:28,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:05:28,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:05:28,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:05:28,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:05:28,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (1/1) ... [2024-11-18 14:05:28,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:05:28,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:05:28,601 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) [2024-11-18 14:05:28,610 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 [2024-11-18 14:05:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-18 14:05:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-18 14:05:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-18 14:05:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-18 14:05:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-18 14:05:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-18 14:05:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-18 14:05:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-18 14:05:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-18 14:05:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-18 14:05:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-18 14:05:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-18 14:05:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-18 14:05:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-18 14:05:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-18 14:05:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-18 14:05:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-18 14:05:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-18 14:05:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-18 14:05:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-18 14:05:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-18 14:05:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-18 14:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-18 14:05:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-18 14:05:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-18 14:05:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-18 14:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-18 14:05:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-18 14:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-18 14:05:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-18 14:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-18 14:05:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-18 14:05:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-18 14:05:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-18 14:05:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-18 14:05:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-18 14:05:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-18 14:05:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-18 14:05:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-18 14:05:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-18 14:05:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-18 14:05:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-18 14:05:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-18 14:05:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-18 14:05:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:05:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:05:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:05:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:05:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-18 14:05:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-18 14:05:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-18 14:05:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-18 14:05:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:05:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:05:28,919 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:05:28,922 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:05:29,906 INFO L? ?]: Removed 537 outVars from TransFormulas that were not future-live. [2024-11-18 14:05:29,907 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:05:29,938 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:05:29,939 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:05:29,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:05:29 BoogieIcfgContainer [2024-11-18 14:05:29,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:05:29,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:05:29,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:05:29,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:05:29,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:05:27" (1/3) ... [2024-11-18 14:05:29,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c901938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:05:29, skipping insertion in model container [2024-11-18 14:05:29,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:05:28" (2/3) ... [2024-11-18 14:05:29,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c901938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:05:29, skipping insertion in model container [2024-11-18 14:05:29,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:05:29" (3/3) ... [2024-11-18 14:05:29,950 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2024-11-18 14:05:29,965 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:05:29,965 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:05:30,056 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:05:30,064 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;@6de40483, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:05:30,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:05:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 400 states, 312 states have (on average 1.560897435897436) internal successors, (487), 317 states have internal predecessors, (487), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-18 14:05:30,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-18 14:05:30,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:30,114 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:30,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:30,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:30,123 INFO L85 PathProgramCache]: Analyzing trace with hash -734871692, now seen corresponding path program 1 times [2024-11-18 14:05:30,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:30,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270568935] [2024-11-18 14:05:30,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:30,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-18 14:05:30,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:30,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270568935] [2024-11-18 14:05:30,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270568935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:05:30,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637147536] [2024-11-18 14:05:30,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:30,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:05:30,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:05:30,970 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) [2024-11-18 14:05:30,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:05:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:31,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 14:05:31,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:05:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-18 14:05:31,413 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:05:31,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637147536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:31,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:05:31,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-18 14:05:31,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979546446] [2024-11-18 14:05:31,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:31,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:05:31,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:31,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:05:31,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:05:31,457 INFO L87 Difference]: Start difference. First operand has 400 states, 312 states have (on average 1.560897435897436) internal successors, (487), 317 states have internal predecessors, (487), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:31,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:31,545 INFO L93 Difference]: Finished difference Result 602 states and 904 transitions. [2024-11-18 14:05:31,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:05:31,549 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-18 14:05:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:31,570 INFO L225 Difference]: With dead ends: 602 [2024-11-18 14:05:31,571 INFO L226 Difference]: Without dead ends: 393 [2024-11-18 14:05:31,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:05:31,587 INFO L432 NwaCegarLoop]: 607 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, 607 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 [2024-11-18 14:05:31,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:31,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-18 14:05:31,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-11-18 14:05:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 306 states have (on average 1.5555555555555556) internal successors, (476), 310 states have internal predecessors, (476), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-18 14:05:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 599 transitions. [2024-11-18 14:05:31,688 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 599 transitions. Word has length 147 [2024-11-18 14:05:31,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:31,689 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 599 transitions. [2024-11-18 14:05:31,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 599 transitions. [2024-11-18 14:05:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-18 14:05:31,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:31,702 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-18 14:05:31,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 14:05:31,903 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 [2024-11-18 14:05:31,904 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:31,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:31,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1056516460, now seen corresponding path program 1 times [2024-11-18 14:05:31,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:31,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349207273] [2024-11-18 14:05:31,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:31,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-18 14:05:32,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:32,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349207273] [2024-11-18 14:05:32,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349207273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:05:32,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106701181] [2024-11-18 14:05:32,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:32,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:05:32,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:05:32,237 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) [2024-11-18 14:05:32,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 14:05:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:32,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 14:05:32,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:05:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-18 14:05:32,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:05:32,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106701181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:32,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:05:32,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-18 14:05:32,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985849192] [2024-11-18 14:05:32,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:32,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:32,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:32,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:32,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:05:32,688 INFO L87 Difference]: Start difference. First operand 393 states and 599 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:32,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:32,747 INFO L93 Difference]: Finished difference Result 592 states and 882 transitions. [2024-11-18 14:05:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:32,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2024-11-18 14:05:32,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:32,753 INFO L225 Difference]: With dead ends: 592 [2024-11-18 14:05:32,755 INFO L226 Difference]: Without dead ends: 396 [2024-11-18 14:05:32,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:05:32,759 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 1 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1192 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 [2024-11-18 14:05:32,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1192 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:32,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-18 14:05:32,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2024-11-18 14:05:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 308 states have (on average 1.551948051948052) internal successors, (478), 312 states have internal predecessors, (478), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-18 14:05:32,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 601 transitions. [2024-11-18 14:05:32,793 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 601 transitions. Word has length 148 [2024-11-18 14:05:32,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:32,793 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 601 transitions. [2024-11-18 14:05:32,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 601 transitions. [2024-11-18 14:05:32,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-18 14:05:32,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:32,797 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:32,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 14:05:32,998 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 [2024-11-18 14:05:32,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:32,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:33,001 INFO L85 PathProgramCache]: Analyzing trace with hash -229734979, now seen corresponding path program 1 times [2024-11-18 14:05:33,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:33,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185766158] [2024-11-18 14:05:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-18 14:05:33,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:33,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185766158] [2024-11-18 14:05:33,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185766158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:05:33,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838338768] [2024-11-18 14:05:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:33,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:05:33,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:05:33,300 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) [2024-11-18 14:05:33,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 14:05:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:33,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:05:33,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:05:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-18 14:05:33,692 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:05:33,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838338768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:33,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:05:33,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-18 14:05:33,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018544565] [2024-11-18 14:05:33,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:33,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:33,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:33,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:33,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:05:33,697 INFO L87 Difference]: Start difference. First operand 395 states and 601 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:33,745 INFO L93 Difference]: Finished difference Result 843 states and 1302 transitions. [2024-11-18 14:05:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:33,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-11-18 14:05:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:33,753 INFO L225 Difference]: With dead ends: 843 [2024-11-18 14:05:33,753 INFO L226 Difference]: Without dead ends: 475 [2024-11-18 14:05:33,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:05:33,756 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 142 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1160 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 [2024-11-18 14:05:33,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1160 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:33,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-18 14:05:33,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 467. [2024-11-18 14:05:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 366 states have (on average 1.5710382513661203) internal successors, (575), 370 states have internal predecessors, (575), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-18 14:05:33,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 726 transitions. [2024-11-18 14:05:33,804 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 726 transitions. Word has length 157 [2024-11-18 14:05:33,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:33,807 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 726 transitions. [2024-11-18 14:05:33,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 726 transitions. [2024-11-18 14:05:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-18 14:05:33,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:33,811 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:33,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 14:05:34,012 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 [2024-11-18 14:05:34,013 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:34,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:34,014 INFO L85 PathProgramCache]: Analyzing trace with hash 94477727, now seen corresponding path program 1 times [2024-11-18 14:05:34,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:34,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293849353] [2024-11-18 14:05:34,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-18 14:05:34,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:34,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293849353] [2024-11-18 14:05:34,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293849353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:05:34,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551469767] [2024-11-18 14:05:34,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:34,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:05:34,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:05:34,223 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) [2024-11-18 14:05:34,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 14:05:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:34,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 14:05:34,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:05:34,622 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-18 14:05:34,625 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:05:34,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551469767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:34,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:05:34,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-18 14:05:34,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588113300] [2024-11-18 14:05:34,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:34,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:05:34,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:34,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:05:34,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:05:34,629 INFO L87 Difference]: Start difference. First operand 467 states and 726 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-18 14:05:34,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:34,730 INFO L93 Difference]: Finished difference Result 925 states and 1442 transitions. [2024-11-18 14:05:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:05:34,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 139 [2024-11-18 14:05:34,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:34,734 INFO L225 Difference]: With dead ends: 925 [2024-11-18 14:05:34,735 INFO L226 Difference]: Without dead ends: 469 [2024-11-18 14:05:34,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:05:34,737 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 2 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2353 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 [2024-11-18 14:05:34,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2353 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:34,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-18 14:05:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-18 14:05:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 367 states have (on average 1.569482288828338) internal successors, (576), 372 states have internal predecessors, (576), 76 states have call successors, (76), 24 states have call predecessors, (76), 25 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2024-11-18 14:05:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 729 transitions. [2024-11-18 14:05:34,760 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 729 transitions. Word has length 139 [2024-11-18 14:05:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:34,761 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 729 transitions. [2024-11-18 14:05:34,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-18 14:05:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 729 transitions. [2024-11-18 14:05:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-18 14:05:34,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:34,765 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:34,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 14:05:34,965 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 [2024-11-18 14:05:34,966 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:34,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash 898099261, now seen corresponding path program 1 times [2024-11-18 14:05:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298130817] [2024-11-18 14:05:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:34,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-18 14:05:35,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298130817] [2024-11-18 14:05:35,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298130817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:05:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604681060] [2024-11-18 14:05:35,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:35,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:05:35,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:05:35,183 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) [2024-11-18 14:05:35,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 14:05:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:35,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 14:05:35,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:05:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-18 14:05:35,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:05:35,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604681060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:35,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:05:35,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-18 14:05:35,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668541090] [2024-11-18 14:05:35,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:35,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:05:35,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:35,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:05:35,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:05:35,608 INFO L87 Difference]: Start difference. First operand 469 states and 729 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-18 14:05:35,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:35,681 INFO L93 Difference]: Finished difference Result 927 states and 1447 transitions. [2024-11-18 14:05:35,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:05:35,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 140 [2024-11-18 14:05:35,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:35,685 INFO L225 Difference]: With dead ends: 927 [2024-11-18 14:05:35,685 INFO L226 Difference]: Without dead ends: 471 [2024-11-18 14:05:35,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:05:35,688 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 2 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2339 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 [2024-11-18 14:05:35,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2339 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:35,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-18 14:05:35,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-18 14:05:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 368 states have (on average 1.5679347826086956) internal successors, (577), 374 states have internal predecessors, (577), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-18 14:05:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 735 transitions. [2024-11-18 14:05:35,716 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 735 transitions. Word has length 140 [2024-11-18 14:05:35,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:35,716 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 735 transitions. [2024-11-18 14:05:35,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-18 14:05:35,717 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 735 transitions. [2024-11-18 14:05:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-18 14:05:35,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:35,720 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:35,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-18 14:05:35,920 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 [2024-11-18 14:05:35,921 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:35,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:35,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2127844731, now seen corresponding path program 1 times [2024-11-18 14:05:35,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:35,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966891458] [2024-11-18 14:05:35,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:35,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-18 14:05:36,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:36,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966891458] [2024-11-18 14:05:36,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966891458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:36,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:36,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:05:36,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648813311] [2024-11-18 14:05:36,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:36,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:05:36,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:36,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:05:36,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:05:36,158 INFO L87 Difference]: Start difference. First operand 471 states and 735 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-18 14:05:36,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:36,210 INFO L93 Difference]: Finished difference Result 919 states and 1438 transitions. [2024-11-18 14:05:36,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:05:36,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 141 [2024-11-18 14:05:36,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:36,215 INFO L225 Difference]: With dead ends: 919 [2024-11-18 14:05:36,215 INFO L226 Difference]: Without dead ends: 471 [2024-11-18 14:05:36,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:05:36,218 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 2 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2357 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:05:36,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2357 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:36,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-18 14:05:36,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-18 14:05:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 368 states have (on average 1.5679347826086956) internal successors, (577), 374 states have internal predecessors, (577), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2024-11-18 14:05:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 734 transitions. [2024-11-18 14:05:36,247 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 734 transitions. Word has length 141 [2024-11-18 14:05:36,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:36,248 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 734 transitions. [2024-11-18 14:05:36,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-18 14:05:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 734 transitions. [2024-11-18 14:05:36,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-18 14:05:36,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:36,253 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:36,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:05:36,253 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:36,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:36,254 INFO L85 PathProgramCache]: Analyzing trace with hash -90826687, now seen corresponding path program 1 times [2024-11-18 14:05:36,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:36,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376732841] [2024-11-18 14:05:36,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:36,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-18 14:05:36,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:36,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376732841] [2024-11-18 14:05:36,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376732841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:36,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:36,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:05:36,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153986045] [2024-11-18 14:05:36,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:36,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:05:36,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:36,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:05:36,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:05:36,456 INFO L87 Difference]: Start difference. First operand 471 states and 734 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:05:36,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:36,502 INFO L93 Difference]: Finished difference Result 921 states and 1441 transitions. [2024-11-18 14:05:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:05:36,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 161 [2024-11-18 14:05:36,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:36,507 INFO L225 Difference]: With dead ends: 921 [2024-11-18 14:05:36,507 INFO L226 Difference]: Without dead ends: 473 [2024-11-18 14:05:36,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:05:36,510 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2360 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 [2024-11-18 14:05:36,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2360 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:36,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-18 14:05:36,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2024-11-18 14:05:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 369 states have (on average 1.5663956639566397) internal successors, (578), 376 states have internal predecessors, (578), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-18 14:05:36,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 737 transitions. [2024-11-18 14:05:36,530 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 737 transitions. Word has length 161 [2024-11-18 14:05:36,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:36,531 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 737 transitions. [2024-11-18 14:05:36,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:05:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 737 transitions. [2024-11-18 14:05:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 14:05:36,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:36,535 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:36,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 14:05:36,535 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:36,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:36,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1638121152, now seen corresponding path program 1 times [2024-11-18 14:05:36,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:36,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786945845] [2024-11-18 14:05:36,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:36,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-18 14:05:36,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:36,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786945845] [2024-11-18 14:05:36,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786945845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:36,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:36,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:05:36,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806515489] [2024-11-18 14:05:36,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:36,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:05:36,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:36,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:05:36,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:05:36,750 INFO L87 Difference]: Start difference. First operand 473 states and 737 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-18 14:05:36,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:36,882 INFO L93 Difference]: Finished difference Result 923 states and 1440 transitions. [2024-11-18 14:05:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:05:36,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 143 [2024-11-18 14:05:36,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:36,886 INFO L225 Difference]: With dead ends: 923 [2024-11-18 14:05:36,886 INFO L226 Difference]: Without dead ends: 475 [2024-11-18 14:05:36,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:05:36,891 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 7 mSDsluCounter, 3469 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4052 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:05:36,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4052 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:05:36,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-18 14:05:36,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2024-11-18 14:05:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 371 states have (on average 1.5633423180592991) internal successors, (580), 377 states have internal predecessors, (580), 76 states have call successors, (76), 25 states have call predecessors, (76), 27 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-18 14:05:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 738 transitions. [2024-11-18 14:05:36,910 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 738 transitions. Word has length 143 [2024-11-18 14:05:36,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:36,911 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 738 transitions. [2024-11-18 14:05:36,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-18 14:05:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 738 transitions. [2024-11-18 14:05:36,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-18 14:05:36,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:36,914 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:36,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 14:05:36,915 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:36,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:36,915 INFO L85 PathProgramCache]: Analyzing trace with hash -58386966, now seen corresponding path program 2 times [2024-11-18 14:05:36,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:36,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263754370] [2024-11-18 14:05:36,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 14:05:36,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:36,952 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-18 14:05:36,953 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 14:05:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-18 14:05:37,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263754370] [2024-11-18 14:05:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263754370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:37,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:37,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:05:37,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929529011] [2024-11-18 14:05:37,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:37,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:05:37,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:37,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:05:37,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:05:37,046 INFO L87 Difference]: Start difference. First operand 475 states and 738 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-18 14:05:37,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:37,105 INFO L93 Difference]: Finished difference Result 999 states and 1567 transitions. [2024-11-18 14:05:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:05:37,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 144 [2024-11-18 14:05:37,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:37,111 INFO L225 Difference]: With dead ends: 999 [2024-11-18 14:05:37,112 INFO L226 Difference]: Without dead ends: 811 [2024-11-18 14:05:37,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:05:37,114 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 549 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:05:37,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 2220 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:37,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-18 14:05:37,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 809. [2024-11-18 14:05:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 641 states have (on average 1.606864274570983) internal successors, (1030), 650 states have internal predecessors, (1030), 125 states have call successors, (125), 43 states have call predecessors, (125), 42 states have return successors, (131), 118 states have call predecessors, (131), 124 states have call successors, (131) [2024-11-18 14:05:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1286 transitions. [2024-11-18 14:05:37,158 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1286 transitions. Word has length 144 [2024-11-18 14:05:37,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:37,159 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1286 transitions. [2024-11-18 14:05:37,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-18 14:05:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1286 transitions. [2024-11-18 14:05:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-18 14:05:37,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:37,165 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:37,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 14:05:37,165 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:37,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:37,166 INFO L85 PathProgramCache]: Analyzing trace with hash 902342942, now seen corresponding path program 1 times [2024-11-18 14:05:37,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:37,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617146231] [2024-11-18 14:05:37,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:37,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-18 14:05:37,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:37,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617146231] [2024-11-18 14:05:37,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617146231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:37,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:37,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:05:37,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477359305] [2024-11-18 14:05:37,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:37,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:05:37,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:37,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:05:37,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:05:37,385 INFO L87 Difference]: Start difference. First operand 809 states and 1286 transitions. Second operand has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-18 14:05:37,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:37,545 INFO L93 Difference]: Finished difference Result 1596 states and 2547 transitions. [2024-11-18 14:05:37,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:05:37,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 149 [2024-11-18 14:05:37,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:37,551 INFO L225 Difference]: With dead ends: 1596 [2024-11-18 14:05:37,551 INFO L226 Difference]: Without dead ends: 814 [2024-11-18 14:05:37,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:05:37,554 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 5 mSDsluCounter, 3481 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4066 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:05:37,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4066 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:05:37,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-18 14:05:37,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 812. [2024-11-18 14:05:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 643 states have (on average 1.6049766718507) internal successors, (1032), 653 states have internal predecessors, (1032), 125 states have call successors, (125), 43 states have call predecessors, (125), 43 states have return successors, (136), 118 states have call predecessors, (136), 124 states have call successors, (136) [2024-11-18 14:05:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1293 transitions. [2024-11-18 14:05:37,586 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1293 transitions. Word has length 149 [2024-11-18 14:05:37,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:37,587 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1293 transitions. [2024-11-18 14:05:37,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-18 14:05:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1293 transitions. [2024-11-18 14:05:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-18 14:05:37,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:37,592 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:37,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:05:37,592 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:37,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:37,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1063265511, now seen corresponding path program 1 times [2024-11-18 14:05:37,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:37,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298928740] [2024-11-18 14:05:37,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:37,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-18 14:05:37,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:37,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298928740] [2024-11-18 14:05:37,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298928740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:37,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:37,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:37,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444503661] [2024-11-18 14:05:37,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:37,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:37,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:37,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:37,669 INFO L87 Difference]: Start difference. First operand 812 states and 1293 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:37,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:37,708 INFO L93 Difference]: Finished difference Result 1918 states and 3116 transitions. [2024-11-18 14:05:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:37,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2024-11-18 14:05:37,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:37,716 INFO L225 Difference]: With dead ends: 1918 [2024-11-18 14:05:37,717 INFO L226 Difference]: Without dead ends: 1140 [2024-11-18 14:05:37,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:37,721 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 140 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1206 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 [2024-11-18 14:05:37,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1206 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:37,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2024-11-18 14:05:37,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1130. [2024-11-18 14:05:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 899 states have (on average 1.628476084538376) internal successors, (1464), 909 states have internal predecessors, (1464), 187 states have call successors, (187), 43 states have call predecessors, (187), 43 states have return successors, (202), 180 states have call predecessors, (202), 186 states have call successors, (202) [2024-11-18 14:05:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1853 transitions. [2024-11-18 14:05:37,768 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1853 transitions. Word has length 169 [2024-11-18 14:05:37,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:37,769 INFO L471 AbstractCegarLoop]: Abstraction has 1130 states and 1853 transitions. [2024-11-18 14:05:37,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1853 transitions. [2024-11-18 14:05:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-18 14:05:37,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:37,777 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:37,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:05:37,778 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:37,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:37,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1805981483, now seen corresponding path program 1 times [2024-11-18 14:05:37,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:37,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728861139] [2024-11-18 14:05:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:37,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-18 14:05:38,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728861139] [2024-11-18 14:05:38,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728861139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:05:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908758147] [2024-11-18 14:05:38,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:38,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:05:38,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:05:38,025 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) [2024-11-18 14:05:38,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-18 14:05:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:38,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:05:38,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:05:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:05:38,440 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 14:05:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:05:38,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908758147] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 14:05:38,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 14:05:38,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-11-18 14:05:38,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344262058] [2024-11-18 14:05:38,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 14:05:38,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-18 14:05:38,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:38,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-18 14:05:38,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:05:38,535 INFO L87 Difference]: Start difference. First operand 1130 states and 1853 transitions. Second operand has 11 states, 10 states have (on average 14.8) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:05:39,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:39,323 INFO L93 Difference]: Finished difference Result 3336 states and 5590 transitions. [2024-11-18 14:05:39,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-18 14:05:39,324 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.8) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 146 [2024-11-18 14:05:39,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:39,338 INFO L225 Difference]: With dead ends: 3336 [2024-11-18 14:05:39,338 INFO L226 Difference]: Without dead ends: 2238 [2024-11-18 14:05:39,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-18 14:05:39,344 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 1819 mSDsluCounter, 3135 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 3712 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 14:05:39,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1819 Valid, 3712 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 14:05:39,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2024-11-18 14:05:39,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2210. [2024-11-18 14:05:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 1787 states have (on average 1.638500279798545) internal successors, (2928), 1796 states have internal predecessors, (2928), 379 states have call successors, (379), 44 states have call predecessors, (379), 43 states have return successors, (410), 372 states have call predecessors, (410), 378 states have call successors, (410) [2024-11-18 14:05:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 3717 transitions. [2024-11-18 14:05:39,478 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 3717 transitions. Word has length 146 [2024-11-18 14:05:39,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:39,478 INFO L471 AbstractCegarLoop]: Abstraction has 2210 states and 3717 transitions. [2024-11-18 14:05:39,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.8) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-18 14:05:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3717 transitions. [2024-11-18 14:05:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-18 14:05:39,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:39,493 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:39,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-18 14:05:39,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:05:39,695 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:39,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:39,695 INFO L85 PathProgramCache]: Analyzing trace with hash 923373777, now seen corresponding path program 1 times [2024-11-18 14:05:39,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:39,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64421698] [2024-11-18 14:05:39,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:39,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:05:39,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:39,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64421698] [2024-11-18 14:05:39,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64421698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:39,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:39,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:39,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072418860] [2024-11-18 14:05:39,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:39,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:39,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:39,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:39,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:39,774 INFO L87 Difference]: Start difference. First operand 2210 states and 3717 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:39,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:39,873 INFO L93 Difference]: Finished difference Result 5397 states and 9130 transitions. [2024-11-18 14:05:39,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:39,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 150 [2024-11-18 14:05:39,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:39,898 INFO L225 Difference]: With dead ends: 5397 [2024-11-18 14:05:39,898 INFO L226 Difference]: Without dead ends: 3323 [2024-11-18 14:05:39,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:39,909 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 137 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1190 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 [2024-11-18 14:05:39,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1190 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:39,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2024-11-18 14:05:40,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3313. [2024-11-18 14:05:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3313 states, 2697 states have (on average 1.6418242491657398) internal successors, (4428), 2706 states have internal predecessors, (4428), 572 states have call successors, (572), 44 states have call predecessors, (572), 43 states have return successors, (603), 565 states have call predecessors, (603), 571 states have call successors, (603) [2024-11-18 14:05:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 5603 transitions. [2024-11-18 14:05:40,085 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 5603 transitions. Word has length 150 [2024-11-18 14:05:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:40,086 INFO L471 AbstractCegarLoop]: Abstraction has 3313 states and 5603 transitions. [2024-11-18 14:05:40,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 5603 transitions. [2024-11-18 14:05:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-18 14:05:40,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:40,106 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:40,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:05:40,106 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:40,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:40,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1748375764, now seen corresponding path program 1 times [2024-11-18 14:05:40,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:40,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591641462] [2024-11-18 14:05:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:05:40,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:40,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591641462] [2024-11-18 14:05:40,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591641462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:40,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:40,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:40,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25508575] [2024-11-18 14:05:40,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:40,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:40,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:40,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:40,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:40,215 INFO L87 Difference]: Start difference. First operand 3313 states and 5603 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:40,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:40,350 INFO L93 Difference]: Finished difference Result 8117 states and 13817 transitions. [2024-11-18 14:05:40,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:40,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2024-11-18 14:05:40,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:40,381 INFO L225 Difference]: With dead ends: 8117 [2024-11-18 14:05:40,381 INFO L226 Difference]: Without dead ends: 5075 [2024-11-18 14:05:40,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:40,399 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 135 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1185 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 [2024-11-18 14:05:40,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1185 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:40,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5075 states. [2024-11-18 14:05:40,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5075 to 5065. [2024-11-18 14:05:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5065 states, 4177 states have (on average 1.6463969355997128) internal successors, (6877), 4186 states have internal predecessors, (6877), 844 states have call successors, (844), 44 states have call predecessors, (844), 43 states have return successors, (891), 837 states have call predecessors, (891), 843 states have call successors, (891) [2024-11-18 14:05:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 5065 states and 8612 transitions. [2024-11-18 14:05:40,702 INFO L78 Accepts]: Start accepts. Automaton has 5065 states and 8612 transitions. Word has length 151 [2024-11-18 14:05:40,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:40,702 INFO L471 AbstractCegarLoop]: Abstraction has 5065 states and 8612 transitions. [2024-11-18 14:05:40,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 5065 states and 8612 transitions. [2024-11-18 14:05:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-18 14:05:40,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:40,733 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:40,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 14:05:40,734 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:40,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:40,734 INFO L85 PathProgramCache]: Analyzing trace with hash 166757962, now seen corresponding path program 1 times [2024-11-18 14:05:40,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:40,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138193470] [2024-11-18 14:05:40,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-18 14:05:40,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:40,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138193470] [2024-11-18 14:05:40,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138193470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:40,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:40,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:40,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128099328] [2024-11-18 14:05:40,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:40,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:40,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:40,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:40,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:40,808 INFO L87 Difference]: Start difference. First operand 5065 states and 8612 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:41,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:41,079 INFO L93 Difference]: Finished difference Result 12605 states and 21560 transitions. [2024-11-18 14:05:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:41,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 171 [2024-11-18 14:05:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:41,152 INFO L225 Difference]: With dead ends: 12605 [2024-11-18 14:05:41,152 INFO L226 Difference]: Without dead ends: 8030 [2024-11-18 14:05:41,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:41,174 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 133 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1185 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 [2024-11-18 14:05:41,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1185 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:41,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8030 states. [2024-11-18 14:05:41,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8030 to 8020. [2024-11-18 14:05:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8020 states, 6705 states have (on average 1.651006711409396) internal successors, (11070), 6714 states have internal predecessors, (11070), 1271 states have call successors, (1271), 44 states have call predecessors, (1271), 43 states have return successors, (1344), 1264 states have call predecessors, (1344), 1270 states have call successors, (1344) [2024-11-18 14:05:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8020 states to 8020 states and 13685 transitions. [2024-11-18 14:05:41,585 INFO L78 Accepts]: Start accepts. Automaton has 8020 states and 13685 transitions. Word has length 171 [2024-11-18 14:05:41,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:41,586 INFO L471 AbstractCegarLoop]: Abstraction has 8020 states and 13685 transitions. [2024-11-18 14:05:41,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 8020 states and 13685 transitions. [2024-11-18 14:05:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-18 14:05:41,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:41,634 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:41,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 14:05:41,634 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:41,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:41,635 INFO L85 PathProgramCache]: Analyzing trace with hash 811206664, now seen corresponding path program 1 times [2024-11-18 14:05:41,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:41,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990687247] [2024-11-18 14:05:41,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:05:41,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:41,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990687247] [2024-11-18 14:05:41,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990687247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:41,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:41,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:41,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699532352] [2024-11-18 14:05:41,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:41,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:41,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:41,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:41,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:41,755 INFO L87 Difference]: Start difference. First operand 8020 states and 13685 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:42,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:42,060 INFO L93 Difference]: Finished difference Result 20014 states and 34410 transitions. [2024-11-18 14:05:42,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:42,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 153 [2024-11-18 14:05:42,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:42,135 INFO L225 Difference]: With dead ends: 20014 [2024-11-18 14:05:42,135 INFO L226 Difference]: Without dead ends: 13402 [2024-11-18 14:05:42,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:42,174 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 131 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1203 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 [2024-11-18 14:05:42,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1203 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:42,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13402 states. [2024-11-18 14:05:42,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13402 to 13392. [2024-11-18 14:05:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 11141 states have (on average 1.6524548963288754) internal successors, (18410), 11150 states have internal predecessors, (18410), 2207 states have call successors, (2207), 44 states have call predecessors, (2207), 43 states have return successors, (2324), 2200 states have call predecessors, (2324), 2206 states have call successors, (2324) [2024-11-18 14:05:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 22941 transitions. [2024-11-18 14:05:42,927 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 22941 transitions. Word has length 153 [2024-11-18 14:05:42,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:42,929 INFO L471 AbstractCegarLoop]: Abstraction has 13392 states and 22941 transitions. [2024-11-18 14:05:42,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:42,930 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 22941 transitions. [2024-11-18 14:05:42,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-18 14:05:42,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:42,981 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:42,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 14:05:42,981 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:42,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:42,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1584953846, now seen corresponding path program 1 times [2024-11-18 14:05:42,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:42,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166594667] [2024-11-18 14:05:42,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:42,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:05:43,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:43,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166594667] [2024-11-18 14:05:43,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166594667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:43,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:43,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:43,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275895404] [2024-11-18 14:05:43,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:43,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:43,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:43,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:43,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:43,071 INFO L87 Difference]: Start difference. First operand 13392 states and 22941 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:43,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:43,898 INFO L93 Difference]: Finished difference Result 34964 states and 60214 transitions. [2024-11-18 14:05:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:43,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 154 [2024-11-18 14:05:43,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:44,037 INFO L225 Difference]: With dead ends: 34964 [2024-11-18 14:05:44,038 INFO L226 Difference]: Without dead ends: 23214 [2024-11-18 14:05:44,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:44,189 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 129 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1190 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 [2024-11-18 14:05:44,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1190 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:44,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23214 states. [2024-11-18 14:05:45,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23214 to 23204. [2024-11-18 14:05:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23204 states, 19395 states have (on average 1.6510440835266822) internal successors, (32022), 19404 states have internal predecessors, (32022), 3765 states have call successors, (3765), 44 states have call predecessors, (3765), 43 states have return successors, (3960), 3758 states have call predecessors, (3960), 3764 states have call successors, (3960) [2024-11-18 14:05:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23204 states to 23204 states and 39747 transitions. [2024-11-18 14:05:45,385 INFO L78 Accepts]: Start accepts. Automaton has 23204 states and 39747 transitions. Word has length 154 [2024-11-18 14:05:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:45,386 INFO L471 AbstractCegarLoop]: Abstraction has 23204 states and 39747 transitions. [2024-11-18 14:05:45,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 23204 states and 39747 transitions. [2024-11-18 14:05:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-18 14:05:45,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:45,471 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:45,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 14:05:45,471 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:45,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:45,472 INFO L85 PathProgramCache]: Analyzing trace with hash 229485190, now seen corresponding path program 1 times [2024-11-18 14:05:45,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:45,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935687408] [2024-11-18 14:05:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:45,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-18 14:05:45,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:45,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935687408] [2024-11-18 14:05:45,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935687408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:45,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:45,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:45,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694386878] [2024-11-18 14:05:45,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:45,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:45,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:45,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:45,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:45,729 INFO L87 Difference]: Start difference. First operand 23204 states and 39747 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:47,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:47,022 INFO L93 Difference]: Finished difference Result 57441 states and 98108 transitions. [2024-11-18 14:05:47,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:47,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2024-11-18 14:05:47,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:47,192 INFO L225 Difference]: With dead ends: 57441 [2024-11-18 14:05:47,192 INFO L226 Difference]: Without dead ends: 37315 [2024-11-18 14:05:47,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:47,260 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 127 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1162 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 [2024-11-18 14:05:47,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1162 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:47,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37315 states. [2024-11-18 14:05:49,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37315 to 37305. [2024-11-18 14:05:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37305 states, 31177 states have (on average 1.624883728389518) internal successors, (50659), 31186 states have internal predecessors, (50659), 6084 states have call successors, (6084), 44 states have call predecessors, (6084), 43 states have return successors, (6423), 6077 states have call predecessors, (6423), 6083 states have call successors, (6423) [2024-11-18 14:05:49,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37305 states to 37305 states and 63166 transitions. [2024-11-18 14:05:49,486 INFO L78 Accepts]: Start accepts. Automaton has 37305 states and 63166 transitions. Word has length 174 [2024-11-18 14:05:49,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:49,487 INFO L471 AbstractCegarLoop]: Abstraction has 37305 states and 63166 transitions. [2024-11-18 14:05:49,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:05:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 37305 states and 63166 transitions. [2024-11-18 14:05:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-18 14:05:49,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:49,580 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:49,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 14:05:49,580 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:49,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:49,581 INFO L85 PathProgramCache]: Analyzing trace with hash -694170345, now seen corresponding path program 1 times [2024-11-18 14:05:49,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:49,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993382865] [2024-11-18 14:05:49,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:49,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:49,664 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:05:49,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:49,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993382865] [2024-11-18 14:05:49,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993382865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:49,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:49,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:49,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569796373] [2024-11-18 14:05:49,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:49,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:49,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:49,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:49,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:49,667 INFO L87 Difference]: Start difference. First operand 37305 states and 63166 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:51,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:05:51,931 INFO L93 Difference]: Finished difference Result 101523 states and 172411 transitions. [2024-11-18 14:05:51,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:05:51,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 156 [2024-11-18 14:05:51,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:05:52,364 INFO L225 Difference]: With dead ends: 101523 [2024-11-18 14:05:52,365 INFO L226 Difference]: Without dead ends: 68203 [2024-11-18 14:05:52,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:52,476 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 125 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 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 [2024-11-18 14:05:52,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1188 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:05:52,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68203 states. [2024-11-18 14:05:55,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68203 to 68193. [2024-11-18 14:05:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68193 states, 57279 states have (on average 1.6210129366783639) internal successors, (92850), 57288 states have internal predecessors, (92850), 10870 states have call successors, (10870), 44 states have call predecessors, (10870), 43 states have return successors, (11483), 10863 states have call predecessors, (11483), 10869 states have call successors, (11483) [2024-11-18 14:05:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68193 states to 68193 states and 115203 transitions. [2024-11-18 14:05:56,102 INFO L78 Accepts]: Start accepts. Automaton has 68193 states and 115203 transitions. Word has length 156 [2024-11-18 14:05:56,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:05:56,107 INFO L471 AbstractCegarLoop]: Abstraction has 68193 states and 115203 transitions. [2024-11-18 14:05:56,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:05:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 68193 states and 115203 transitions. [2024-11-18 14:05:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-18 14:05:56,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:05:56,226 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:05:56,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 14:05:56,227 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:05:56,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:05:56,227 INFO L85 PathProgramCache]: Analyzing trace with hash 808867920, now seen corresponding path program 1 times [2024-11-18 14:05:56,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:05:56,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939021829] [2024-11-18 14:05:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:05:56,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:05:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:05:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:05:56,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:05:56,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939021829] [2024-11-18 14:05:56,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939021829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:05:56,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:05:56,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:05:56,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869663554] [2024-11-18 14:05:56,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:05:56,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:05:56,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:05:56,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:05:56,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:05:56,320 INFO L87 Difference]: Start difference. First operand 68193 states and 115203 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:06:00,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:06:00,075 INFO L93 Difference]: Finished difference Result 190336 states and 322289 transitions. [2024-11-18 14:06:00,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:06:00,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 157 [2024-11-18 14:06:00,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:06:01,281 INFO L225 Difference]: With dead ends: 190336 [2024-11-18 14:06:01,282 INFO L226 Difference]: Without dead ends: 127368 [2024-11-18 14:06:01,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:06:01,506 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 123 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1189 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 [2024-11-18 14:06:01,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1189 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:06:01,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127368 states. [2024-11-18 14:06:06,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127368 to 127358. [2024-11-18 14:06:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127358 states, 107547 states have (on average 1.616242201084177) internal successors, (173822), 107556 states have internal predecessors, (173822), 19767 states have call successors, (19767), 44 states have call predecessors, (19767), 43 states have return successors, (20912), 19760 states have call predecessors, (20912), 19766 states have call successors, (20912) [2024-11-18 14:06:07,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127358 states to 127358 states and 214501 transitions. [2024-11-18 14:06:07,655 INFO L78 Accepts]: Start accepts. Automaton has 127358 states and 214501 transitions. Word has length 157 [2024-11-18 14:06:07,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:06:07,656 INFO L471 AbstractCegarLoop]: Abstraction has 127358 states and 214501 transitions. [2024-11-18 14:06:07,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 14:06:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 127358 states and 214501 transitions. [2024-11-18 14:06:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-18 14:06:07,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:06:07,817 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:06:07,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 14:06:07,817 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:06:07,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:06:07,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1932082789, now seen corresponding path program 1 times [2024-11-18 14:06:07,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:06:07,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342276927] [2024-11-18 14:06:07,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:06:07,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:06:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:06:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-18 14:06:07,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:06:07,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342276927] [2024-11-18 14:06:07,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342276927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:06:07,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:06:07,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:06:07,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059379870] [2024-11-18 14:06:07,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:06:07,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:06:07,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:06:07,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:06:07,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:06:07,906 INFO L87 Difference]: Start difference. First operand 127358 states and 214501 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:06:13,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:06:13,634 INFO L93 Difference]: Finished difference Result 240583 states and 405809 transitions. [2024-11-18 14:06:13,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:06:13,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2024-11-18 14:06:13,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:06:14,823 INFO L225 Difference]: With dead ends: 240583 [2024-11-18 14:06:14,823 INFO L226 Difference]: Without dead ends: 240297 [2024-11-18 14:06:14,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:06:14,939 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 118 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:06:14,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1194 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:06:15,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240297 states. [2024-11-18 14:06:23,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240297 to 240287. [2024-11-18 14:06:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240287 states, 204054 states have (on average 1.61072559224519) internal successors, (328675), 204063 states have internal predecessors, (328675), 36189 states have call successors, (36189), 44 states have call predecessors, (36189), 43 states have return successors, (38380), 36182 states have call predecessors, (38380), 36188 states have call successors, (38380) [2024-11-18 14:06:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240287 states to 240287 states and 403244 transitions. [2024-11-18 14:06:24,706 INFO L78 Accepts]: Start accepts. Automaton has 240287 states and 403244 transitions. Word has length 177 [2024-11-18 14:06:24,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:06:24,707 INFO L471 AbstractCegarLoop]: Abstraction has 240287 states and 403244 transitions. [2024-11-18 14:06:24,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 14:06:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 240287 states and 403244 transitions. [2024-11-18 14:06:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-18 14:06:24,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:06:24,876 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:06:24,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 14:06:24,877 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:06:24,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:06:24,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1391637073, now seen corresponding path program 1 times [2024-11-18 14:06:24,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:06:24,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184429559] [2024-11-18 14:06:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:06:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:06:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:06:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-18 14:06:25,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:06:25,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184429559] [2024-11-18 14:06:25,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184429559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:06:25,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63805293] [2024-11-18 14:06:25,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:06:25,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:06:25,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:06:25,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:06:25,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-18 14:06:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:06:26,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-18 14:06:26,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:06:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-18 14:06:26,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:06:26,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63805293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:06:26,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:06:26,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 22 [2024-11-18 14:06:26,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770539009] [2024-11-18 14:06:26,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:06:26,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 14:06:26,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:06:26,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 14:06:26,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-11-18 14:06:26,928 INFO L87 Difference]: Start difference. First operand 240287 states and 403244 transitions. Second operand has 12 states, 11 states have (on average 10.909090909090908) internal successors, (120), 9 states have internal predecessors, (120), 5 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15)