./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_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 f29a19c3efa542dcf2ceb090606fb32840c0b6e985b77630bcd852a7818d8a39 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 14:58:30,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 14:58:30,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 14:58:30,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 14:58:30,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 14:58:30,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 14:58:30,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 14:58:30,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 14:58:30,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 14:58:30,504 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 14:58:30,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 14:58:30,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 14:58:30,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 14:58:30,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 14:58:30,506 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 14:58:30,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 14:58:30,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 14:58:30,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 14:58:30,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 14:58:30,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 14:58:30,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 14:58:30,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 14:58:30,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 14:58:30,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 14:58:30,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 14:58:30,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 14:58:30,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 14:58:30,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 14:58:30,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 14:58:30,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 14:58:30,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 14:58:30,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 14:58:30,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:58:30,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 14:58:30,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 14:58:30,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 14:58:30,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 14:58:30,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 14:58:30,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 14:58:30,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 14:58:30,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 14:58:30,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 14:58:30,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f29a19c3efa542dcf2ceb090606fb32840c0b6e985b77630bcd852a7818d8a39 [2024-11-08 14:58:30,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 14:58:30,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 14:58:30,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 14:58:30,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 14:58:30,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 14:58:30,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product26.cil.c [2024-11-08 14:58:32,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 14:58:32,486 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 14:58:32,487 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product26.cil.c [2024-11-08 14:58:32,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdeed5c3d/aaf633a1c14e48e79d5e61afd5eaf0ad/FLAGc81e601bc [2024-11-08 14:58:32,550 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdeed5c3d/aaf633a1c14e48e79d5e61afd5eaf0ad [2024-11-08 14:58:32,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 14:58:32,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 14:58:32,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 14:58:32,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 14:58:32,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 14:58:32,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:58:32" (1/1) ... [2024-11-08 14:58:32,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f0b9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:32, skipping insertion in model container [2024-11-08 14:58:32,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:58:32" (1/1) ... [2024-11-08 14:58:32,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 14:58:33,139 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_spec11_product26.cil.c[63627,63640] [2024-11-08 14:58:33,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:58:33,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 14:58:33,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-08 14:58:33,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [460] [2024-11-08 14:58:33,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [577] [2024-11-08 14:58:33,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [615] [2024-11-08 14:58:33,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [636] [2024-11-08 14:58:33,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [964] [2024-11-08 14:58:33,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1330] [2024-11-08 14:58:33,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1552] [2024-11-08 14:58:33,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2620] [2024-11-08 14:58:33,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2960] [2024-11-08 14:58:33,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2969] [2024-11-08 14:58:33,255 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_spec11_product26.cil.c[63627,63640] [2024-11-08 14:58:33,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:58:33,288 INFO L204 MainTranslator]: Completed translation [2024-11-08 14:58:33,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33 WrapperNode [2024-11-08 14:58:33,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 14:58:33,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 14:58:33,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 14:58:33,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 14:58:33,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,384 INFO L138 Inliner]: procedures = 131, calls = 204, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1092 [2024-11-08 14:58:33,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 14:58:33,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 14:58:33,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 14:58:33,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 14:58:33,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,409 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,447 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 14:58:33,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 14:58:33,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 14:58:33,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 14:58:33,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 14:58:33,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (1/1) ... [2024-11-08 14:58:33,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:58:33,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:33,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 14:58:33,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 14:58:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 14:58:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 14:58:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 14:58:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 14:58:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 14:58:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 14:58:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 14:58:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 14:58:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 14:58:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 14:58:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 14:58:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 14:58:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 14:58:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 14:58:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 14:58:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 14:58:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 14:58:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 14:58:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 14:58:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 14:58:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 14:58:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 14:58:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 14:58:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 14:58:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-08 14:58:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-08 14:58:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 14:58:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 14:58:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 14:58:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 14:58:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 14:58:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 14:58:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 14:58:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 14:58:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 14:58:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 14:58:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 14:58:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 14:58:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 14:58:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 14:58:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 14:58:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 14:58:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 14:58:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 14:58:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 14:58:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 14:58:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 14:58:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 14:58:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 14:58:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 14:58:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 14:58:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 14:58:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 14:58:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 14:58:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 14:58:33,819 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 14:58:33,821 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 14:58:34,822 INFO L? ?]: Removed 540 outVars from TransFormulas that were not future-live. [2024-11-08 14:58:34,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 14:58:34,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 14:58:34,859 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 14:58:34,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:58:34 BoogieIcfgContainer [2024-11-08 14:58:34,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 14:58:34,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 14:58:34,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 14:58:34,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 14:58:34,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 02:58:32" (1/3) ... [2024-11-08 14:58:34,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2d6fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:58:34, skipping insertion in model container [2024-11-08 14:58:34,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:58:33" (2/3) ... [2024-11-08 14:58:34,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2d6fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:58:34, skipping insertion in model container [2024-11-08 14:58:34,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:58:34" (3/3) ... [2024-11-08 14:58:34,872 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product26.cil.c [2024-11-08 14:58:34,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 14:58:34,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 14:58:34,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 14:58:34,991 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;@321cd1a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 14:58:34,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 14:58:35,002 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) [2024-11-08 14:58:35,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 14:58:35,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:35,031 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:35,032 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:35,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:35,037 INFO L85 PathProgramCache]: Analyzing trace with hash -767084688, now seen corresponding path program 1 times [2024-11-08 14:58:35,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:35,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593820263] [2024-11-08 14:58:35,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:35,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:58:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:58:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:58:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 14:58:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 14:58:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:58:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:58:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:58:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:58:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:58:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 14:58:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 14:58:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 14:58:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:58:35,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:35,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593820263] [2024-11-08 14:58:35,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593820263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:58:35,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624212558] [2024-11-08 14:58:35,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:35,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:35,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:35,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:58:35,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 14:58:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:36,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 14:58:36,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:58:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 14:58:36,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:58:36,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624212558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:36,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:58:36,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 14:58:36,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296416954] [2024-11-08 14:58:36,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:36,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 14:58:36,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:36,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 14:58:36,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:58:36,312 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 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:58:36,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:36,387 INFO L93 Difference]: Finished difference Result 602 states and 904 transitions. [2024-11-08 14:58:36,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 14:58:36,390 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137 [2024-11-08 14:58:36,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:36,405 INFO L225 Difference]: With dead ends: 602 [2024-11-08 14:58:36,405 INFO L226 Difference]: Without dead ends: 393 [2024-11-08 14:58:36,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:58:36,412 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 [2024-11-08 14:58:36,413 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] [2024-11-08 14:58:36,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-08 14:58:36,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-11-08 14:58:36,498 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) [2024-11-08 14:58:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 599 transitions. [2024-11-08 14:58:36,508 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 599 transitions. Word has length 137 [2024-11-08 14:58:36,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:36,512 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 599 transitions. [2024-11-08 14:58:36,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:58:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 599 transitions. [2024-11-08 14:58:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 14:58:36,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:36,520 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 14:58:36,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 14:58:36,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 14:58:36,721 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:36,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:36,722 INFO L85 PathProgramCache]: Analyzing trace with hash -185029784, now seen corresponding path program 1 times [2024-11-08 14:58:36,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:36,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333730922] [2024-11-08 14:58:36,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:36,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:58:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:58:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:58:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 14:58:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:58:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:58:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:58:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:58:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:58:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 14:58:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 14:58:37,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:37,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333730922] [2024-11-08 14:58:37,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333730922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:58:37,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242571444] [2024-11-08 14:58:37,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:37,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:37,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:37,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:58:37,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 14:58:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:37,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 14:58:37,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:58:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 14:58:37,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:58:37,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242571444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:37,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:58:37,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 14:58:37,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967296676] [2024-11-08 14:58:37,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:37,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:58:37,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:37,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:58:37,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:58:37,521 INFO L87 Difference]: Start difference. First operand 393 states and 599 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:58:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:37,573 INFO L93 Difference]: Finished difference Result 592 states and 882 transitions. [2024-11-08 14:58:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:58:37,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-11-08 14:58:37,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:37,583 INFO L225 Difference]: With dead ends: 592 [2024-11-08 14:58:37,583 INFO L226 Difference]: Without dead ends: 396 [2024-11-08 14:58:37,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:58:37,588 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 [2024-11-08 14:58:37,588 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] [2024-11-08 14:58:37,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-08 14:58:37,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2024-11-08 14:58:37,626 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) [2024-11-08 14:58:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 601 transitions. [2024-11-08 14:58:37,630 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 601 transitions. Word has length 119 [2024-11-08 14:58:37,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:37,631 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 601 transitions. [2024-11-08 14:58:37,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:58:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 601 transitions. [2024-11-08 14:58:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 14:58:37,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:37,634 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:37,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 14:58:37,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 14:58:37,836 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:37,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1273062025, now seen corresponding path program 1 times [2024-11-08 14:58:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:37,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183565438] [2024-11-08 14:58:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:58:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:58:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:58:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 14:58:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:58:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:58:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:58:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 14:58:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:58:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 14:58:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 14:58:38,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:38,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183565438] [2024-11-08 14:58:38,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183565438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:58:38,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027010728] [2024-11-08 14:58:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:38,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:38,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:38,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:58:38,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 14:58:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 14:58:38,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:58:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 14:58:38,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:58:38,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027010728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:38,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:58:38,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 14:58:38,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657136249] [2024-11-08 14:58:38,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:38,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:58:38,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:38,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:58:38,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:58:38,494 INFO L87 Difference]: Start difference. First operand 395 states and 601 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:58:38,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:38,524 INFO L93 Difference]: Finished difference Result 843 states and 1302 transitions. [2024-11-08 14:58:38,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:58:38,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-11-08 14:58:38,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:38,528 INFO L225 Difference]: With dead ends: 843 [2024-11-08 14:58:38,528 INFO L226 Difference]: Without dead ends: 475 [2024-11-08 14:58:38,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:58:38,530 INFO L432 NwaCegarLoop]: 606 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, 1157 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:58:38,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1157 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:58:38,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-08 14:58:38,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 467. [2024-11-08 14:58:38,549 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) [2024-11-08 14:58:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 726 transitions. [2024-11-08 14:58:38,553 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 726 transitions. Word has length 128 [2024-11-08 14:58:38,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:38,554 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 726 transitions. [2024-11-08 14:58:38,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:58:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 726 transitions. [2024-11-08 14:58:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 14:58:38,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:38,558 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:38,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 14:58:38,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:38,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:38,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:38,761 INFO L85 PathProgramCache]: Analyzing trace with hash -113066149, now seen corresponding path program 1 times [2024-11-08 14:58:38,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:38,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572453646] [2024-11-08 14:58:38,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:38,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:58:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:58:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:58:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 14:58:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 14:58:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:58:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:58:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:58:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:58:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:38,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 14:58:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 14:58:39,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572453646] [2024-11-08 14:58:39,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572453646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:58:39,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754503629] [2024-11-08 14:58:39,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:39,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:39,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:39,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:58:39,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 14:58:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 14:58:39,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:58:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 14:58:39,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:58:39,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754503629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:39,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:58:39,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 14:58:39,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402880372] [2024-11-08 14:58:39,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:39,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:58:39,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:39,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:58:39,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:58:39,415 INFO L87 Difference]: Start difference. First operand 467 states and 726 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 14:58:39,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:39,479 INFO L93 Difference]: Finished difference Result 925 states and 1442 transitions. [2024-11-08 14:58:39,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 14:58:39,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 129 [2024-11-08 14:58:39,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:39,483 INFO L225 Difference]: With dead ends: 925 [2024-11-08 14:58:39,484 INFO L226 Difference]: Without dead ends: 469 [2024-11-08 14:58:39,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:58:39,486 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 [2024-11-08 14:58:39,486 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] [2024-11-08 14:58:39,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-08 14:58:39,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-08 14:58:39,505 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) [2024-11-08 14:58:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 729 transitions. [2024-11-08 14:58:39,509 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 729 transitions. Word has length 129 [2024-11-08 14:58:39,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:39,509 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 729 transitions. [2024-11-08 14:58:39,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 14:58:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 729 transitions. [2024-11-08 14:58:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 14:58:39,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:39,512 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:39,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 14:58:39,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:39,717 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:39,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:39,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1022261321, now seen corresponding path program 1 times [2024-11-08 14:58:39,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:39,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269186527] [2024-11-08 14:58:39,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:39,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:58:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 14:58:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 14:58:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 14:58:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 14:58:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:58:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:58:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:58:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:58:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 14:58:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 14:58:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 14:58:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 14:58:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 14:58:39,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:39,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269186527] [2024-11-08 14:58:39,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269186527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:58:39,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135835723] [2024-11-08 14:58:39,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:39,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:39,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:39,972 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:58:39,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 14:58:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 14:58:40,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:58:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 14:58:40,385 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:58:40,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135835723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:40,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:58:40,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 14:58:40,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649760093] [2024-11-08 14:58:40,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:40,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:58:40,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:40,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:58:40,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:58:40,387 INFO L87 Difference]: Start difference. First operand 469 states and 729 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 14:58:40,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:40,451 INFO L93 Difference]: Finished difference Result 927 states and 1447 transitions. [2024-11-08 14:58:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 14:58:40,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 149 [2024-11-08 14:58:40,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:40,454 INFO L225 Difference]: With dead ends: 927 [2024-11-08 14:58:40,454 INFO L226 Difference]: Without dead ends: 471 [2024-11-08 14:58:40,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:58:40,456 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 [2024-11-08 14:58:40,457 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] [2024-11-08 14:58:40,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-08 14:58:40,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-08 14:58:40,472 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) [2024-11-08 14:58:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 735 transitions. [2024-11-08 14:58:40,475 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 735 transitions. Word has length 149 [2024-11-08 14:58:40,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:40,475 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 735 transitions. [2024-11-08 14:58:40,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 14:58:40,476 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 735 transitions. [2024-11-08 14:58:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 14:58:40,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:40,479 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:40,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 14:58:40,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:40,680 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:40,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:40,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1348183497, now seen corresponding path program 1 times [2024-11-08 14:58:40,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:40,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215006803] [2024-11-08 14:58:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:58:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:58:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 14:58:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:58:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 14:58:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 14:58:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:58:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:58:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 14:58:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 14:58:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 14:58:40,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:40,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215006803] [2024-11-08 14:58:40,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215006803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:40,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:58:40,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:58:40,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689140959] [2024-11-08 14:58:40,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:40,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:58:40,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:40,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:58:40,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:58:40,891 INFO L87 Difference]: Start difference. First operand 471 states and 735 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 14:58:43,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:43,389 INFO L93 Difference]: Finished difference Result 1099 states and 1744 transitions. [2024-11-08 14:58:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 14:58:43,390 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2024-11-08 14:58:43,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:43,395 INFO L225 Difference]: With dead ends: 1099 [2024-11-08 14:58:43,395 INFO L226 Difference]: Without dead ends: 651 [2024-11-08 14:58:43,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 14:58:43,397 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1314 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2904 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 3350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 2904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:58:43,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 1403 Invalid, 3350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 2904 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 14:58:43,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-08 14:58:43,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 471. [2024-11-08 14:58:43,436 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) [2024-11-08 14:58:43,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 734 transitions. [2024-11-08 14:58:43,459 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 734 transitions. Word has length 131 [2024-11-08 14:58:43,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:43,460 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 734 transitions. [2024-11-08 14:58:43,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 14:58:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 734 transitions. [2024-11-08 14:58:43,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 14:58:43,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:43,464 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 14:58:43,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 14:58:43,464 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:43,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:43,465 INFO L85 PathProgramCache]: Analyzing trace with hash -995312525, now seen corresponding path program 2 times [2024-11-08 14:58:43,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:43,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415214245] [2024-11-08 14:58:43,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:43,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:58:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:58:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 14:58:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:58:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 14:58:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:58:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:58:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:58:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 14:58:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 14:58:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 14:58:43,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:43,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415214245] [2024-11-08 14:58:43,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415214245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:43,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:58:43,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:58:43,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228382616] [2024-11-08 14:58:43,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:43,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:58:43,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:43,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:58:43,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:58:43,670 INFO L87 Difference]: Start difference. First operand 471 states and 734 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 14:58:45,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:45,982 INFO L93 Difference]: Finished difference Result 1101 states and 1747 transitions. [2024-11-08 14:58:45,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 14:58:45,983 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 132 [2024-11-08 14:58:45,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:45,989 INFO L225 Difference]: With dead ends: 1101 [2024-11-08 14:58:45,989 INFO L226 Difference]: Without dead ends: 653 [2024-11-08 14:58:45,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 14:58:45,992 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1303 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2976 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 3404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 2976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:58:45,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 1403 Invalid, 3404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 2976 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 14:58:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-08 14:58:46,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 473. [2024-11-08 14:58:46,033 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) [2024-11-08 14:58:46,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 737 transitions. [2024-11-08 14:58:46,036 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 737 transitions. Word has length 132 [2024-11-08 14:58:46,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:46,037 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 737 transitions. [2024-11-08 14:58:46,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 14:58:46,037 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 737 transitions. [2024-11-08 14:58:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 14:58:46,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:46,041 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:46,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 14:58:46,041 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:46,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:46,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1803244692, now seen corresponding path program 1 times [2024-11-08 14:58:46,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:46,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352240512] [2024-11-08 14:58:46,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:46,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:58:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:58:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:58:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:58:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 14:58:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:58:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:58:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:58:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:58:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 14:58:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 14:58:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 14:58:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 14:58:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 14:58:46,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:46,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352240512] [2024-11-08 14:58:46,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352240512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:46,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:58:46,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 14:58:46,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428892487] [2024-11-08 14:58:46,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:46,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 14:58:46,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:46,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 14:58:46,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:58:46,341 INFO L87 Difference]: Start difference. First operand 473 states and 737 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 14:58:49,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:49,417 INFO L93 Difference]: Finished difference Result 1099 states and 1742 transitions. [2024-11-08 14:58:49,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 14:58:49,418 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 152 [2024-11-08 14:58:49,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:49,424 INFO L225 Difference]: With dead ends: 1099 [2024-11-08 14:58:49,424 INFO L226 Difference]: Without dead ends: 653 [2024-11-08 14:58:49,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 14:58:49,426 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1314 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 4865 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 5307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 4865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:58:49,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 1944 Invalid, 5307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 4865 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 14:58:49,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-08 14:58:49,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 473. [2024-11-08 14:58:49,461 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, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-08 14:58:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 736 transitions. [2024-11-08 14:58:49,466 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 736 transitions. Word has length 152 [2024-11-08 14:58:49,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:49,466 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 736 transitions. [2024-11-08 14:58:49,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 14:58:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 736 transitions. [2024-11-08 14:58:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 14:58:49,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:49,470 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:49,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 14:58:49,470 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:49,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:49,471 INFO L85 PathProgramCache]: Analyzing trace with hash -2026345302, now seen corresponding path program 2 times [2024-11-08 14:58:49,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:49,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324506069] [2024-11-08 14:58:49,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:49,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:58:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:58:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:58:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 14:58:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 14:58:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:58:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 14:58:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:58:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:58:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 14:58:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 14:58:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 14:58:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 14:58:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 14:58:49,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:49,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324506069] [2024-11-08 14:58:49,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324506069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:49,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:58:49,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 14:58:49,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125619850] [2024-11-08 14:58:49,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:49,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 14:58:49,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:49,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 14:58:49,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:58:49,769 INFO L87 Difference]: Start difference. First operand 473 states and 736 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 14:58:52,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:52,387 INFO L93 Difference]: Finished difference Result 1101 states and 1748 transitions. [2024-11-08 14:58:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 14:58:52,387 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 153 [2024-11-08 14:58:52,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:52,393 INFO L225 Difference]: With dead ends: 1101 [2024-11-08 14:58:52,393 INFO L226 Difference]: Without dead ends: 655 [2024-11-08 14:58:52,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 14:58:52,395 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1344 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 5291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 14:58:52,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 1944 Invalid, 5291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 14:58:52,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-08 14:58:52,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 475. [2024-11-08 14:58:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 370 states have (on average 1.5648648648648649) internal successors, (579), 378 states have internal predecessors, (579), 76 states have call successors, (76), 24 states have call predecessors, (76), 28 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2024-11-08 14:58:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 742 transitions. [2024-11-08 14:58:52,465 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 742 transitions. Word has length 153 [2024-11-08 14:58:52,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:52,466 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 742 transitions. [2024-11-08 14:58:52,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 14:58:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 742 transitions. [2024-11-08 14:58:52,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-08 14:58:52,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:52,469 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:52,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 14:58:52,470 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:52,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:52,470 INFO L85 PathProgramCache]: Analyzing trace with hash 629523311, now seen corresponding path program 1 times [2024-11-08 14:58:52,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:52,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982288328] [2024-11-08 14:58:52,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:58:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:58:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:58:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 14:58:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:58:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:58:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 14:58:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 14:58:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:58:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 14:58:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 14:58:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 14:58:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 14:58:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-08 14:58:52,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:52,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982288328] [2024-11-08 14:58:52,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982288328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:58:52,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181647397] [2024-11-08 14:58:52,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:52,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:52,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:58:52,741 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:58:52,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 14:58:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:53,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 14:58:53,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:58:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 14:58:53,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 14:58:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 14:58:53,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181647397] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 14:58:53,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 14:58:53,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 14:58:53,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678613083] [2024-11-08 14:58:53,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 14:58:53,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 14:58:53,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:53,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 14:58:53,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:58:53,219 INFO L87 Difference]: Start difference. First operand 475 states and 742 transitions. Second operand has 15 states, 14 states have (on average 11.214285714285714) internal successors, (157), 11 states have internal predecessors, (157), 4 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-08 14:58:56,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:56,344 INFO L93 Difference]: Finished difference Result 1566 states and 2585 transitions. [2024-11-08 14:58:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 14:58:56,344 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.214285714285714) internal successors, (157), 11 states have internal predecessors, (157), 4 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 154 [2024-11-08 14:58:56,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:56,352 INFO L225 Difference]: With dead ends: 1566 [2024-11-08 14:58:56,352 INFO L226 Difference]: Without dead ends: 1122 [2024-11-08 14:58:56,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 14:58:56,355 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 2593 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 5889 mSolverCounterSat, 863 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 6752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 863 IncrementalHoareTripleChecker+Valid, 5889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:58:56,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2614 Valid, 2311 Invalid, 6752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [863 Valid, 5889 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 14:58:56,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2024-11-08 14:58:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 918. [2024-11-08 14:58:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 734 states have (on average 1.6144414168937329) internal successors, (1185), 742 states have internal predecessors, (1185), 155 states have call successors, (155), 24 states have call predecessors, (155), 28 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2024-11-08 14:58:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1516 transitions. [2024-11-08 14:58:56,434 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1516 transitions. Word has length 154 [2024-11-08 14:58:56,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:56,435 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1516 transitions. [2024-11-08 14:58:56,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.214285714285714) internal successors, (157), 11 states have internal predecessors, (157), 4 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-08 14:58:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1516 transitions. [2024-11-08 14:58:56,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 14:58:56,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:56,441 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:56,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 14:58:56,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:58:56,643 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:56,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:56,644 INFO L85 PathProgramCache]: Analyzing trace with hash -951969000, now seen corresponding path program 1 times [2024-11-08 14:58:56,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:56,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942897609] [2024-11-08 14:58:56,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:56,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:58:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:58:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:58:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 14:58:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:58:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:58:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:58:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:58:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 14:58:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 14:58:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 14:58:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 14:58:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 14:58:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 14:58:56,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:56,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942897609] [2024-11-08 14:58:56,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942897609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:56,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:58:56,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:58:56,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013295088] [2024-11-08 14:58:56,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:56,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:58:56,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:56,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:58:56,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:58:56,770 INFO L87 Difference]: Start difference. First operand 918 states and 1516 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:58:58,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:58:58,392 INFO L93 Difference]: Finished difference Result 2361 states and 3994 transitions. [2024-11-08 14:58:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:58:58,393 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 157 [2024-11-08 14:58:58,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:58:58,402 INFO L225 Difference]: With dead ends: 2361 [2024-11-08 14:58:58,402 INFO L226 Difference]: Without dead ends: 1521 [2024-11-08 14:58:58,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:58:58,406 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 1479 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:58:58,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 1070 Invalid, 2175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 14:58:58,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2024-11-08 14:58:58,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1333. [2024-11-08 14:58:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1070 states have (on average 1.6308411214953271) internal successors, (1745), 1078 states have internal predecessors, (1745), 234 states have call successors, (234), 24 states have call predecessors, (234), 28 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2024-11-08 14:58:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 2244 transitions. [2024-11-08 14:58:58,475 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 2244 transitions. Word has length 157 [2024-11-08 14:58:58,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:58:58,475 INFO L471 AbstractCegarLoop]: Abstraction has 1333 states and 2244 transitions. [2024-11-08 14:58:58,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:58:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2244 transitions. [2024-11-08 14:58:58,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 14:58:58,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:58:58,483 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:58:58,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 14:58:58,483 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:58:58,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:58:58,484 INFO L85 PathProgramCache]: Analyzing trace with hash -772100245, now seen corresponding path program 1 times [2024-11-08 14:58:58,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:58:58,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289215320] [2024-11-08 14:58:58,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:58:58,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:58:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:58:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:58:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:58:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:58:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:58:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:58:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 14:58:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:58:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:58:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:58:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:58:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 14:58:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 14:58:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 14:58:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 14:58:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 14:58:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:58:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:58:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 14:58:58,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:58:58,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289215320] [2024-11-08 14:58:58,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289215320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:58:58,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:58:58,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:58:58,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893434913] [2024-11-08 14:58:58,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:58:58,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:58:58,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:58:58,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:58:58,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:58:58,602 INFO L87 Difference]: Start difference. First operand 1333 states and 2244 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:59:00,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:00,044 INFO L93 Difference]: Finished difference Result 3400 states and 5807 transitions. [2024-11-08 14:59:00,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:00,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2024-11-08 14:59:00,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:00,056 INFO L225 Difference]: With dead ends: 3400 [2024-11-08 14:59:00,056 INFO L226 Difference]: Without dead ends: 2198 [2024-11-08 14:59:00,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:00,061 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1489 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:00,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 1031 Invalid, 2151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 14:59:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2024-11-08 14:59:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2010. [2024-11-08 14:59:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2010 states, 1628 states have (on average 1.6382063882063882) internal successors, (2667), 1636 states have internal predecessors, (2667), 353 states have call successors, (353), 24 states have call predecessors, (353), 28 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2024-11-08 14:59:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 3404 transitions. [2024-11-08 14:59:00,154 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 3404 transitions. Word has length 158 [2024-11-08 14:59:00,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:00,155 INFO L471 AbstractCegarLoop]: Abstraction has 2010 states and 3404 transitions. [2024-11-08 14:59:00,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:59:00,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 3404 transitions. [2024-11-08 14:59:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 14:59:00,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:00,167 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:00,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 14:59:00,167 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:00,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:00,167 INFO L85 PathProgramCache]: Analyzing trace with hash 609778374, now seen corresponding path program 1 times [2024-11-08 14:59:00,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:00,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380526690] [2024-11-08 14:59:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:00,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:59:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 14:59:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:59:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:59:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:59:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 14:59:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 14:59:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 14:59:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 14:59:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 14:59:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 14:59:00,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:00,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380526690] [2024-11-08 14:59:00,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380526690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:00,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:00,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:59:00,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923116596] [2024-11-08 14:59:00,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:00,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:59:00,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:00,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:59:00,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:59:00,310 INFO L87 Difference]: Start difference. First operand 2010 states and 3404 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:59:01,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:01,905 INFO L93 Difference]: Finished difference Result 4985 states and 8586 transitions. [2024-11-08 14:59:01,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:01,905 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 159 [2024-11-08 14:59:01,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:01,921 INFO L225 Difference]: With dead ends: 4985 [2024-11-08 14:59:01,921 INFO L226 Difference]: Without dead ends: 3241 [2024-11-08 14:59:01,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:01,928 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1491 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:01,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 1023 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [528 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 14:59:01,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3241 states. [2024-11-08 14:59:02,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3241 to 3053. [2024-11-08 14:59:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 2509 states have (on average 1.6440813072937426) internal successors, (4125), 2517 states have internal predecessors, (4125), 515 states have call successors, (515), 24 states have call predecessors, (515), 28 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2024-11-08 14:59:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 5202 transitions. [2024-11-08 14:59:02,070 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 5202 transitions. Word has length 159 [2024-11-08 14:59:02,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:02,071 INFO L471 AbstractCegarLoop]: Abstraction has 3053 states and 5202 transitions. [2024-11-08 14:59:02,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:59:02,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 5202 transitions. [2024-11-08 14:59:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 14:59:02,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:02,087 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:02,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 14:59:02,087 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:02,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1921777772, now seen corresponding path program 1 times [2024-11-08 14:59:02,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:02,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253777823] [2024-11-08 14:59:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:02,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:59:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:59:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:59:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 14:59:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:59:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 14:59:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 14:59:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 14:59:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 14:59:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 14:59:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 14:59:02,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:02,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253777823] [2024-11-08 14:59:02,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253777823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:02,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:02,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:59:02,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688881542] [2024-11-08 14:59:02,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:02,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:59:02,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:02,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:59:02,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:59:02,246 INFO L87 Difference]: Start difference. First operand 3053 states and 5202 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:59:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:03,797 INFO L93 Difference]: Finished difference Result 7499 states and 13001 transitions. [2024-11-08 14:59:03,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:03,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2024-11-08 14:59:03,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:03,824 INFO L225 Difference]: With dead ends: 7499 [2024-11-08 14:59:03,825 INFO L226 Difference]: Without dead ends: 4931 [2024-11-08 14:59:03,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:03,836 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1488 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1625 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:03,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 1023 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1625 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 14:59:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4931 states. [2024-11-08 14:59:04,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4931 to 4743. [2024-11-08 14:59:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4743 states, 3954 states have (on average 1.6482043500252908) internal successors, (6517), 3962 states have internal predecessors, (6517), 760 states have call successors, (760), 24 states have call predecessors, (760), 28 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2024-11-08 14:59:04,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 4743 states and 8110 transitions. [2024-11-08 14:59:04,081 INFO L78 Accepts]: Start accepts. Automaton has 4743 states and 8110 transitions. Word has length 160 [2024-11-08 14:59:04,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:04,082 INFO L471 AbstractCegarLoop]: Abstraction has 4743 states and 8110 transitions. [2024-11-08 14:59:04,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:59:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 4743 states and 8110 transitions. [2024-11-08 14:59:04,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 14:59:04,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:04,100 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:04,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 14:59:04,101 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:04,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:04,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1589499538, now seen corresponding path program 1 times [2024-11-08 14:59:04,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:04,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102351165] [2024-11-08 14:59:04,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:04,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:59:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:59:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 14:59:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:59:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 14:59:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 14:59:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 14:59:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:04,217 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 14:59:04,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:04,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102351165] [2024-11-08 14:59:04,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102351165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:04,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:04,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:59:04,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670736774] [2024-11-08 14:59:04,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:04,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:59:04,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:04,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:59:04,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:59:04,220 INFO L87 Difference]: Start difference. First operand 4743 states and 8110 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:05,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:05,700 INFO L93 Difference]: Finished difference Result 11700 states and 20378 transitions. [2024-11-08 14:59:05,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:05,701 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 142 [2024-11-08 14:59:05,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:05,752 INFO L225 Difference]: With dead ends: 11700 [2024-11-08 14:59:05,752 INFO L226 Difference]: Without dead ends: 7774 [2024-11-08 14:59:05,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:05,770 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1454 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1472 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:05,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 1056 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 14:59:05,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7774 states. [2024-11-08 14:59:06,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7774 to 7586. [2024-11-08 14:59:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7586 states, 6304 states have (on average 1.6459390862944163) internal successors, (10376), 6312 states have internal predecessors, (10376), 1253 states have call successors, (1253), 24 states have call predecessors, (1253), 28 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2024-11-08 14:59:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 12999 transitions. [2024-11-08 14:59:06,158 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 12999 transitions. Word has length 142 [2024-11-08 14:59:06,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:06,158 INFO L471 AbstractCegarLoop]: Abstraction has 7586 states and 12999 transitions. [2024-11-08 14:59:06,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 12999 transitions. [2024-11-08 14:59:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 14:59:06,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:06,188 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:06,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 14:59:06,189 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:06,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1846042560, now seen corresponding path program 1 times [2024-11-08 14:59:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:06,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648221933] [2024-11-08 14:59:06,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:59:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:59:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 14:59:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:59:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 14:59:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 14:59:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 14:59:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 14:59:06,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:06,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648221933] [2024-11-08 14:59:06,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648221933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:06,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:06,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:59:06,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468635773] [2024-11-08 14:59:06,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:06,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:59:06,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:06,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:59:06,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:59:06,303 INFO L87 Difference]: Start difference. First operand 7586 states and 12999 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:07,928 INFO L93 Difference]: Finished difference Result 19315 states and 33654 transitions. [2024-11-08 14:59:07,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:07,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 143 [2024-11-08 14:59:07,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:07,977 INFO L225 Difference]: With dead ends: 19315 [2024-11-08 14:59:07,977 INFO L226 Difference]: Without dead ends: 12948 [2024-11-08 14:59:07,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:08,000 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1433 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:08,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 1031 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1657 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 14:59:08,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12948 states. [2024-11-08 14:59:08,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12948 to 12760. [2024-11-08 14:59:08,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12760 states, 10656 states have (on average 1.645927177177177) internal successors, (17539), 10664 states have internal predecessors, (17539), 2075 states have call successors, (2075), 24 states have call predecessors, (2075), 28 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2024-11-08 14:59:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12760 states to 12760 states and 21884 transitions. [2024-11-08 14:59:08,544 INFO L78 Accepts]: Start accepts. Automaton has 12760 states and 21884 transitions. Word has length 143 [2024-11-08 14:59:08,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:08,545 INFO L471 AbstractCegarLoop]: Abstraction has 12760 states and 21884 transitions. [2024-11-08 14:59:08,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:08,546 INFO L276 IsEmpty]: Start isEmpty. Operand 12760 states and 21884 transitions. [2024-11-08 14:59:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 14:59:08,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:08,583 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:08,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 14:59:08,583 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:08,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:08,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1097043488, now seen corresponding path program 1 times [2024-11-08 14:59:08,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:08,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769638867] [2024-11-08 14:59:08,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:08,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:59:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:59:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:59:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:59:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 14:59:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 14:59:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 14:59:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 14:59:08,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:08,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769638867] [2024-11-08 14:59:08,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769638867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:08,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:08,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:59:08,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658463630] [2024-11-08 14:59:08,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:08,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:59:08,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:08,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:59:08,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:59:08,700 INFO L87 Difference]: Start difference. First operand 12760 states and 21884 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:10,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:10,390 INFO L93 Difference]: Finished difference Result 30798 states and 53354 transitions. [2024-11-08 14:59:10,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:10,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 144 [2024-11-08 14:59:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:10,471 INFO L225 Difference]: With dead ends: 30798 [2024-11-08 14:59:10,471 INFO L226 Difference]: Without dead ends: 20261 [2024-11-08 14:59:10,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:10,511 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1485 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:10,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 1010 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 14:59:10,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20261 states. [2024-11-08 14:59:11,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20261 to 20073. [2024-11-08 14:59:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20073 states, 16766 states have (on average 1.6214362400095432) internal successors, (27185), 16774 states have internal predecessors, (27185), 3278 states have call successors, (3278), 24 states have call predecessors, (3278), 28 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2024-11-08 14:59:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20073 states to 20073 states and 34080 transitions. [2024-11-08 14:59:11,472 INFO L78 Accepts]: Start accepts. Automaton has 20073 states and 34080 transitions. Word has length 144 [2024-11-08 14:59:11,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:11,473 INFO L471 AbstractCegarLoop]: Abstraction has 20073 states and 34080 transitions. [2024-11-08 14:59:11,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 20073 states and 34080 transitions. [2024-11-08 14:59:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 14:59:11,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:11,510 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:11,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 14:59:11,510 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:11,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:11,511 INFO L85 PathProgramCache]: Analyzing trace with hash -268109889, now seen corresponding path program 1 times [2024-11-08 14:59:11,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:11,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986875971] [2024-11-08 14:59:11,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:11,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 14:59:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:59:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 14:59:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:59:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 14:59:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 14:59:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 14:59:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 14:59:11,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:11,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986875971] [2024-11-08 14:59:11,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986875971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:11,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:11,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:59:11,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620563883] [2024-11-08 14:59:11,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:11,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:59:11,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:11,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:59:11,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:59:11,644 INFO L87 Difference]: Start difference. First operand 20073 states and 34080 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:13,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:13,889 INFO L93 Difference]: Finished difference Result 53240 states and 91888 transitions. [2024-11-08 14:59:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:13,889 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 145 [2024-11-08 14:59:13,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:14,056 INFO L225 Difference]: With dead ends: 53240 [2024-11-08 14:59:14,057 INFO L226 Difference]: Without dead ends: 36067 [2024-11-08 14:59:14,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:14,124 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1465 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:14,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 1025 Invalid, 2166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 14:59:14,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36067 states. [2024-11-08 14:59:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36067 to 35879. [2024-11-08 14:59:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35879 states, 30122 states have (on average 1.6183188367306287) internal successors, (48747), 30130 states have internal predecessors, (48747), 5728 states have call successors, (5728), 24 states have call predecessors, (5728), 28 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2024-11-08 14:59:15,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35879 states to 35879 states and 60816 transitions. [2024-11-08 14:59:15,638 INFO L78 Accepts]: Start accepts. Automaton has 35879 states and 60816 transitions. Word has length 145 [2024-11-08 14:59:15,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:15,639 INFO L471 AbstractCegarLoop]: Abstraction has 35879 states and 60816 transitions. [2024-11-08 14:59:15,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 35879 states and 60816 transitions. [2024-11-08 14:59:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 14:59:15,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:15,683 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:15,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 14:59:15,683 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:15,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:15,684 INFO L85 PathProgramCache]: Analyzing trace with hash -17484250, now seen corresponding path program 1 times [2024-11-08 14:59:15,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:15,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923809064] [2024-11-08 14:59:15,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:15,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:59:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:59:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:59:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:59:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 14:59:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 14:59:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 14:59:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 14:59:15,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:15,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923809064] [2024-11-08 14:59:15,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923809064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:15,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:15,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:59:15,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582087777] [2024-11-08 14:59:15,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:15,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:59:15,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:15,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:59:15,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:59:15,793 INFO L87 Difference]: Start difference. First operand 35879 states and 60816 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:19,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:19,261 INFO L93 Difference]: Finished difference Result 98087 states and 168447 transitions. [2024-11-08 14:59:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:19,261 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 146 [2024-11-08 14:59:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:19,537 INFO L225 Difference]: With dead ends: 98087 [2024-11-08 14:59:19,538 INFO L226 Difference]: Without dead ends: 66064 [2024-11-08 14:59:19,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:19,627 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1426 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1693 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 1693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:19,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 1038 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 1693 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 14:59:19,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66064 states. [2024-11-08 14:59:21,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66064 to 65876. [2024-11-08 14:59:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65876 states, 55606 states have (on average 1.6142142934215733) internal successors, (89760), 55614 states have internal predecessors, (89760), 10241 states have call successors, (10241), 24 states have call predecessors, (10241), 28 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2024-11-08 14:59:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65876 states to 65876 states and 111387 transitions. [2024-11-08 14:59:22,241 INFO L78 Accepts]: Start accepts. Automaton has 65876 states and 111387 transitions. Word has length 146 [2024-11-08 14:59:22,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:22,243 INFO L471 AbstractCegarLoop]: Abstraction has 65876 states and 111387 transitions. [2024-11-08 14:59:22,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 14:59:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 65876 states and 111387 transitions. [2024-11-08 14:59:22,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 14:59:22,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:22,598 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:22,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 14:59:22,599 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:22,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:22,599 INFO L85 PathProgramCache]: Analyzing trace with hash 2067090225, now seen corresponding path program 1 times [2024-11-08 14:59:22,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:22,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633987559] [2024-11-08 14:59:22,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:22,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:59:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:59:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:59:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:59:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 14:59:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 14:59:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 14:59:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 14:59:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 14:59:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 14:59:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 14:59:22,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:22,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633987559] [2024-11-08 14:59:22,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633987559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:22,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:59:22,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:59:22,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176807995] [2024-11-08 14:59:22,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:22,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:59:22,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:22,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:59:22,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:59:22,760 INFO L87 Difference]: Start difference. First operand 65876 states and 111387 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:59:26,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:26,645 INFO L93 Difference]: Finished difference Result 123748 states and 212880 transitions. [2024-11-08 14:59:26,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:59:26,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2024-11-08 14:59:26,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:27,237 INFO L225 Difference]: With dead ends: 123748 [2024-11-08 14:59:27,237 INFO L226 Difference]: Without dead ends: 123552 [2024-11-08 14:59:27,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:59:27,290 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1424 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 2181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:27,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 1034 Invalid, 2181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 14:59:27,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123552 states. [2024-11-08 14:59:31,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123552 to 123364. [2024-11-08 14:59:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123364 states, 104726 states have (on average 1.6090751102877987) internal successors, (168512), 104734 states have internal predecessors, (168512), 18609 states have call successors, (18609), 24 states have call predecessors, (18609), 28 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2024-11-08 14:59:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123364 states to 123364 states and 207921 transitions. [2024-11-08 14:59:32,253 INFO L78 Accepts]: Start accepts. Automaton has 123364 states and 207921 transitions. Word has length 166 [2024-11-08 14:59:32,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:59:32,253 INFO L471 AbstractCegarLoop]: Abstraction has 123364 states and 207921 transitions. [2024-11-08 14:59:32,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 14:59:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand 123364 states and 207921 transitions. [2024-11-08 14:59:32,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 14:59:32,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:59:32,321 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:59:32,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 14:59:32,322 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:59:32,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:59:32,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1275192871, now seen corresponding path program 1 times [2024-11-08 14:59:32,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:59:32,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805159326] [2024-11-08 14:59:32,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:32,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:59:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:59:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:59:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:59:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:59:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:59:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:59:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:59:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:59:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:59:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:59:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 14:59:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 14:59:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 14:59:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:59:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 14:59:33,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:59:33,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805159326] [2024-11-08 14:59:33,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805159326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:59:33,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942390995] [2024-11-08 14:59:33,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:59:33,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:59:33,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:59:33,228 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) [2024-11-08 14:59:33,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 14:59:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:59:33,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 14:59:33,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:59:34,019 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 14:59:34,019 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:59:34,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942390995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:59:34,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:59:34,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2024-11-08 14:59:34,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91579525] [2024-11-08 14:59:34,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:59:34,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 14:59:34,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:59:34,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 14:59:34,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-11-08 14:59:34,022 INFO L87 Difference]: Start difference. First operand 123364 states and 207921 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (17), 5 states have call predecessors, (17), 6 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-08 14:59:39,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:59:39,772 INFO L93 Difference]: Finished difference Result 245777 states and 419718 transitions. [2024-11-08 14:59:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 14:59:39,773 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (17), 5 states have call predecessors, (17), 6 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) Word has length 148 [2024-11-08 14:59:39,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:59:40,978 INFO L225 Difference]: With dead ends: 245777 [2024-11-08 14:59:40,978 INFO L226 Difference]: Without dead ends: 245587 [2024-11-08 14:59:41,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 14:59:41,080 INFO L432 NwaCegarLoop]: 718 mSDtfsCounter, 973 mSDsluCounter, 5304 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 6022 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:59:41,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 6022 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 14:59:41,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245587 states.