./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec7_product32.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 ee2b8c4c449b1e8aa7dd92109d118d4c0b36a93d6052f04f0a75223fa59783b7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:14:25,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:14:25,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:14:25,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:14:25,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:14:25,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:14:25,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:14:25,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:14:25,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:14:25,729 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:14:25,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:14:25,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:14:25,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:14:25,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:14:25,731 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:14:25,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:14:25,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:14:25,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:14:25,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:14:25,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:14:25,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:14:25,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:14:25,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:14:25,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:14:25,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:14:25,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:14:25,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:14:25,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:14:25,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:14:25,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:14:25,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:14:25,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:14:25,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:14:25,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:14:25,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:14:25,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:14:25,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:14:25,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:14:25,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:14:25,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:14:25,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:14:25,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:14:25,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee2b8c4c449b1e8aa7dd92109d118d4c0b36a93d6052f04f0a75223fa59783b7 [2024-11-18 14:14:26,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:14:26,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:14:26,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:14:26,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:14:26,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:14:26,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product32.cil.c [2024-11-18 14:14:27,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:14:27,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:14:27,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product32.cil.c [2024-11-18 14:14:27,798 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa5848b56/1586addeb67b4d9db5785c7dde7006f6/FLAG5e4982528 [2024-11-18 14:14:27,815 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa5848b56/1586addeb67b4d9db5785c7dde7006f6 [2024-11-18 14:14:27,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:14:27,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:14:27,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:14:27,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:14:27,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:14:27,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:14:27" (1/1) ... [2024-11-18 14:14:27,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687995d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:27, skipping insertion in model container [2024-11-18 14:14:27,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:14:27" (1/1) ... [2024-11-18 14:14:27,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:14:28,183 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_spec7_product32.cil.c[6103,6116] [2024-11-18 14:14:28,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:14:28,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:14:28,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-18 14:14:28,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [208] [2024-11-18 14:14:28,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [225] [2024-11-18 14:14:28,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [263] [2024-11-18 14:14:28,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [272] [2024-11-18 14:14:28,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [690] [2024-11-18 14:14:28,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [708] [2024-11-18 14:14:28,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1105] [2024-11-18 14:14:28,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1471] [2024-11-18 14:14:28,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1700] [2024-11-18 14:14:28,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2772] [2024-11-18 14:14:28,531 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_spec7_product32.cil.c[6103,6116] [2024-11-18 14:14:28,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:14:28,661 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:14:28,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28 WrapperNode [2024-11-18 14:14:28,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:14:28,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:14:28,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:14:28,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:14:28,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,767 INFO L138 Inliner]: procedures = 134, calls = 218, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 974 [2024-11-18 14:14:28,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:14:28,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:14:28,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:14:28,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:14:28,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,826 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-18 14:14:28,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:14:28,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:14:28,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:14:28,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:14:28,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (1/1) ... [2024-11-18 14:14:28,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:14:28,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:28,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 14:14:28,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 14:14:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-18 14:14:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-18 14:14:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-18 14:14:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-18 14:14:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-18 14:14:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-18 14:14:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-18 14:14:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-18 14:14:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-18 14:14:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-18 14:14:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-18 14:14:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-18 14:14:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-18 14:14:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-18 14:14:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-18 14:14:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-18 14:14:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-18 14:14:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-18 14:14:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-18 14:14:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-18 14:14:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-18 14:14:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-18 14:14:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-18 14:14:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-18 14:14:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-18 14:14:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-18 14:14:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-18 14:14:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-18 14:14:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-18 14:14:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-18 14:14:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:14:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-18 14:14:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-18 14:14:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-18 14:14:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-18 14:14:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-18 14:14:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-18 14:14:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-18 14:14:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-18 14:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-18 14:14:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-18 14:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-18 14:14:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-18 14:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-18 14:14:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-18 14:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-18 14:14:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-18 14:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-18 14:14:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-18 14:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-18 14:14:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-18 14:14:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-18 14:14:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-18 14:14:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:14:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:14:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:14:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:14:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-18 14:14:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-18 14:14:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-18 14:14:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-18 14:14:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:14:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:14:29,339 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:14:29,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:14:30,457 INFO L? ?]: Removed 533 outVars from TransFormulas that were not future-live. [2024-11-18 14:14:30,458 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:14:30,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:14:30,489 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:14:30,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:14:30 BoogieIcfgContainer [2024-11-18 14:14:30,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:14:30,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:14:30,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:14:30,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:14:30,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:14:27" (1/3) ... [2024-11-18 14:14:30,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef3cca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:14:30, skipping insertion in model container [2024-11-18 14:14:30,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:28" (2/3) ... [2024-11-18 14:14:30,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef3cca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:14:30, skipping insertion in model container [2024-11-18 14:14:30,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:14:30" (3/3) ... [2024-11-18 14:14:30,499 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product32.cil.c [2024-11-18 14:14:30,513 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:14:30,514 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:14:30,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:14:30,598 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;@1f712e07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:14:30,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:14:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 422 states, 328 states have (on average 1.5518292682926829) internal successors, (509), 333 states have internal predecessors, (509), 64 states have call successors, (64), 28 states have call predecessors, (64), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-18 14:14:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-18 14:14:30,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:30,634 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-18 14:14:30,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:30,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:30,641 INFO L85 PathProgramCache]: Analyzing trace with hash -174124437, now seen corresponding path program 1 times [2024-11-18 14:14:30,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:30,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629727165] [2024-11-18 14:14:30,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:30,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-18 14:14:31,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:31,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629727165] [2024-11-18 14:14:31,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629727165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:31,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100126851] [2024-11-18 14:14:31,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:31,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:31,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:31,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:31,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:14:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:31,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 14:14:31,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-18 14:14:31,907 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:31,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100126851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:31,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:31,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-18 14:14:31,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576691504] [2024-11-18 14:14:31,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:31,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:14:31,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:31,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:14:31,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:14:31,940 INFO L87 Difference]: Start difference. First operand has 422 states, 328 states have (on average 1.5518292682926829) internal successors, (509), 333 states have internal predecessors, (509), 64 states have call successors, (64), 28 states have call predecessors, (64), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:32,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:32,007 INFO L93 Difference]: Finished difference Result 651 states and 964 transitions. [2024-11-18 14:14:32,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:14:32,009 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 148 [2024-11-18 14:14:32,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:32,026 INFO L225 Difference]: With dead ends: 651 [2024-11-18 14:14:32,026 INFO L226 Difference]: Without dead ends: 415 [2024-11-18 14:14:32,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:14:32,035 INFO L432 NwaCegarLoop]: 633 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, 633 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:32,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:32,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-18 14:14:32,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-11-18 14:14:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 322 states have (on average 1.546583850931677) internal successors, (498), 326 states have internal predecessors, (498), 64 states have call successors, (64), 28 states have call predecessors, (64), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-18 14:14:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 625 transitions. [2024-11-18 14:14:32,120 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 625 transitions. Word has length 148 [2024-11-18 14:14:32,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:32,121 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 625 transitions. [2024-11-18 14:14:32,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 625 transitions. [2024-11-18 14:14:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-18 14:14:32,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:32,127 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-18 14:14:32,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 14:14:32,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 14:14:32,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:32,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:32,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1745193471, now seen corresponding path program 1 times [2024-11-18 14:14:32,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:32,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263796441] [2024-11-18 14:14:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:32,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-18 14:14:32,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:32,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263796441] [2024-11-18 14:14:32,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263796441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:32,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144437211] [2024-11-18 14:14:32,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:32,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:32,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:32,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 14:14:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:32,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 14:14:33,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-18 14:14:33,054 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:33,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144437211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:33,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:33,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-18 14:14:33,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021585540] [2024-11-18 14:14:33,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:33,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:33,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:33,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:33,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:14:33,057 INFO L87 Difference]: Start difference. First operand 415 states and 625 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:33,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:33,110 INFO L93 Difference]: Finished difference Result 641 states and 942 transitions. [2024-11-18 14:14:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:33,111 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 149 [2024-11-18 14:14:33,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:33,115 INFO L225 Difference]: With dead ends: 641 [2024-11-18 14:14:33,115 INFO L226 Difference]: Without dead ends: 418 [2024-11-18 14:14:33,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:14:33,117 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 1 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:33,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1244 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:33,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-18 14:14:33,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 417. [2024-11-18 14:14:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 324 states have (on average 1.5432098765432098) internal successors, (500), 328 states have internal predecessors, (500), 64 states have call successors, (64), 28 states have call predecessors, (64), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-18 14:14:33,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 627 transitions. [2024-11-18 14:14:33,162 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 627 transitions. Word has length 149 [2024-11-18 14:14:33,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:33,163 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 627 transitions. [2024-11-18 14:14:33,164 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:33,165 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 627 transitions. [2024-11-18 14:14:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-18 14:14:33,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:33,170 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-18 14:14:33,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 14:14:33,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-18 14:14:33,371 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:33,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash -384025194, now seen corresponding path program 1 times [2024-11-18 14:14:33,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:33,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618369514] [2024-11-18 14:14:33,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:33,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-18 14:14:33,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:33,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618369514] [2024-11-18 14:14:33,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618369514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:33,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674960518] [2024-11-18 14:14:33,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:33,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:33,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:33,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:33,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 14:14:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:34,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:14:34,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-18 14:14:34,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:34,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674960518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:34,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:34,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-18 14:14:34,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612621600] [2024-11-18 14:14:34,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:34,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:34,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:34,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:34,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:14:34,071 INFO L87 Difference]: Start difference. First operand 417 states and 627 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:34,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:34,110 INFO L93 Difference]: Finished difference Result 882 states and 1346 transitions. [2024-11-18 14:14:34,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:34,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 158 [2024-11-18 14:14:34,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:34,116 INFO L225 Difference]: With dead ends: 882 [2024-11-18 14:14:34,116 INFO L226 Difference]: Without dead ends: 492 [2024-11-18 14:14:34,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:14:34,119 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 134 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:34,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1220 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:34,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-18 14:14:34,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 484. [2024-11-18 14:14:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 377 states have (on average 1.5623342175066313) internal successors, (589), 381 states have internal predecessors, (589), 78 states have call successors, (78), 28 states have call predecessors, (78), 28 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-18 14:14:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 744 transitions. [2024-11-18 14:14:34,143 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 744 transitions. Word has length 158 [2024-11-18 14:14:34,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:34,143 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 744 transitions. [2024-11-18 14:14:34,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 744 transitions. [2024-11-18 14:14:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-18 14:14:34,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:34,147 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-18 14:14:34,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 14:14:34,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:34,348 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:34,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:34,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2013431180, now seen corresponding path program 1 times [2024-11-18 14:14:34,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:34,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101400130] [2024-11-18 14:14:34,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:34,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-18 14:14:34,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101400130] [2024-11-18 14:14:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101400130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:34,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199524988] [2024-11-18 14:14:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:34,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:34,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:34,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:34,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 14:14:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:34,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 14:14:34,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-18 14:14:34,959 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:34,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199524988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:34,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:34,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-18 14:14:34,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686918701] [2024-11-18 14:14:34,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:34,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:14:34,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:34,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:14:34,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:34,963 INFO L87 Difference]: Start difference. First operand 484 states and 744 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:35,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:35,041 INFO L93 Difference]: Finished difference Result 959 states and 1478 transitions. [2024-11-18 14:14:35,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:14:35,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2024-11-18 14:14:35,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:35,046 INFO L225 Difference]: With dead ends: 959 [2024-11-18 14:14:35,048 INFO L226 Difference]: Without dead ends: 486 [2024-11-18 14:14:35,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:35,050 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 2 mSDsluCounter, 1840 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2457 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:35,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2457 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:35,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-18 14:14:35,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2024-11-18 14:14:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 378 states have (on average 1.560846560846561) internal successors, (590), 383 states have internal predecessors, (590), 78 states have call successors, (78), 28 states have call predecessors, (78), 29 states have return successors, (79), 76 states have call predecessors, (79), 77 states have call successors, (79) [2024-11-18 14:14:35,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 747 transitions. [2024-11-18 14:14:35,081 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 747 transitions. Word has length 159 [2024-11-18 14:14:35,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:35,081 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 747 transitions. [2024-11-18 14:14:35,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 747 transitions. [2024-11-18 14:14:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-18 14:14:35,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:35,085 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:35,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 14:14:35,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:35,287 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:35,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:35,287 INFO L85 PathProgramCache]: Analyzing trace with hash -630956670, now seen corresponding path program 1 times [2024-11-18 14:14:35,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:35,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652950770] [2024-11-18 14:14:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:35,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:14:35,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:35,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652950770] [2024-11-18 14:14:35,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652950770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:35,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838788421] [2024-11-18 14:14:35,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:35,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:35,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:35,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:35,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 14:14:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:35,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 14:14:35,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-18 14:14:35,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:35,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838788421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:35,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:35,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-18 14:14:35,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945859357] [2024-11-18 14:14:35,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:35,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:14:35,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:35,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:14:35,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:14:35,982 INFO L87 Difference]: Start difference. First operand 486 states and 747 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:36,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:36,048 INFO L93 Difference]: Finished difference Result 961 states and 1483 transitions. [2024-11-18 14:14:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:14:36,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-11-18 14:14:36,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:36,053 INFO L225 Difference]: With dead ends: 961 [2024-11-18 14:14:36,053 INFO L226 Difference]: Without dead ends: 488 [2024-11-18 14:14:36,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:14:36,056 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 2 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:36,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2443 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:36,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-18 14:14:36,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2024-11-18 14:14:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 379 states have (on average 1.5593667546174141) internal successors, (591), 385 states have internal predecessors, (591), 78 states have call successors, (78), 28 states have call predecessors, (78), 30 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2024-11-18 14:14:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 753 transitions. [2024-11-18 14:14:36,087 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 753 transitions. Word has length 160 [2024-11-18 14:14:36,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:36,087 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 753 transitions. [2024-11-18 14:14:36,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 753 transitions. [2024-11-18 14:14:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-18 14:14:36,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:36,093 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:36,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-18 14:14:36,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:36,295 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:36,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:36,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1754173129, now seen corresponding path program 1 times [2024-11-18 14:14:36,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:36,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128606001] [2024-11-18 14:14:36,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:36,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-18 14:14:36,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:36,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128606001] [2024-11-18 14:14:36,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128606001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:36,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:36,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:14:36,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303271537] [2024-11-18 14:14:36,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:36,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:14:36,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:36,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:14:36,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:14:36,512 INFO L87 Difference]: Start difference. First operand 488 states and 753 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:36,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:36,556 INFO L93 Difference]: Finished difference Result 953 states and 1474 transitions. [2024-11-18 14:14:36,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:14:36,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2024-11-18 14:14:36,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:36,560 INFO L225 Difference]: With dead ends: 953 [2024-11-18 14:14:36,560 INFO L226 Difference]: Without dead ends: 488 [2024-11-18 14:14:36,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:14:36,563 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 2 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2461 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:36,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2461 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:36,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-18 14:14:36,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2024-11-18 14:14:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 379 states have (on average 1.5593667546174141) internal successors, (591), 385 states have internal predecessors, (591), 78 states have call successors, (78), 28 states have call predecessors, (78), 30 states have return successors, (83), 76 states have call predecessors, (83), 77 states have call successors, (83) [2024-11-18 14:14:36,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 752 transitions. [2024-11-18 14:14:36,582 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 752 transitions. Word has length 161 [2024-11-18 14:14:36,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:36,583 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 752 transitions. [2024-11-18 14:14:36,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 752 transitions. [2024-11-18 14:14:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-18 14:14:36,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:36,586 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:36,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:14:36,586 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:36,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:36,587 INFO L85 PathProgramCache]: Analyzing trace with hash -615076235, now seen corresponding path program 2 times [2024-11-18 14:14:36,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:36,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519174429] [2024-11-18 14:14:36,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 14:14:36,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:36,618 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-18 14:14:36,619 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 14:14:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-18 14:14:36,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:36,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519174429] [2024-11-18 14:14:36,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519174429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:36,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:36,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:14:36,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378753502] [2024-11-18 14:14:36,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:36,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:14:36,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:36,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:14:36,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:36,792 INFO L87 Difference]: Start difference. First operand 488 states and 752 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:37,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:37,340 INFO L93 Difference]: Finished difference Result 1127 states and 1746 transitions. [2024-11-18 14:14:37,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-18 14:14:37,341 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2024-11-18 14:14:37,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:37,348 INFO L225 Difference]: With dead ends: 1127 [2024-11-18 14:14:37,348 INFO L226 Difference]: Without dead ends: 910 [2024-11-18 14:14:37,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-18 14:14:37,350 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 1184 mSDsluCounter, 2899 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:37,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 3548 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 14:14:37,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-11-18 14:14:37,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 858. [2024-11-18 14:14:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 674 states have (on average 1.5919881305637982) internal successors, (1073), 682 states have internal predecessors, (1073), 133 states have call successors, (133), 50 states have call predecessors, (133), 50 states have return successors, (148), 128 states have call predecessors, (148), 132 states have call successors, (148) [2024-11-18 14:14:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1354 transitions. [2024-11-18 14:14:37,392 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1354 transitions. Word has length 162 [2024-11-18 14:14:37,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:37,393 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1354 transitions. [2024-11-18 14:14:37,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:37,394 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1354 transitions. [2024-11-18 14:14:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-18 14:14:37,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:37,398 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:37,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 14:14:37,398 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:37,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:37,399 INFO L85 PathProgramCache]: Analyzing trace with hash -519987954, now seen corresponding path program 1 times [2024-11-18 14:14:37,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:37,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394271783] [2024-11-18 14:14:37,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:37,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-18 14:14:37,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:37,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394271783] [2024-11-18 14:14:37,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394271783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:37,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:37,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:14:37,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188039022] [2024-11-18 14:14:37,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:37,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:14:37,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:37,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:14:37,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:14:37,575 INFO L87 Difference]: Start difference. First operand 858 states and 1354 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:37,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:37,634 INFO L93 Difference]: Finished difference Result 1685 states and 2668 transitions. [2024-11-18 14:14:37,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:14:37,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 163 [2024-11-18 14:14:37,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:37,640 INFO L225 Difference]: With dead ends: 1685 [2024-11-18 14:14:37,641 INFO L226 Difference]: Without dead ends: 862 [2024-11-18 14:14:37,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:14:37,646 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 1 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:37,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2464 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:37,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-18 14:14:37,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 862. [2024-11-18 14:14:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 676 states have (on average 1.5902366863905326) internal successors, (1075), 686 states have internal predecessors, (1075), 133 states have call successors, (133), 50 states have call predecessors, (133), 52 states have return successors, (151), 128 states have call predecessors, (151), 132 states have call successors, (151) [2024-11-18 14:14:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1359 transitions. [2024-11-18 14:14:37,691 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1359 transitions. Word has length 163 [2024-11-18 14:14:37,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:37,692 INFO L471 AbstractCegarLoop]: Abstraction has 862 states and 1359 transitions. [2024-11-18 14:14:37,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 14:14:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1359 transitions. [2024-11-18 14:14:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-18 14:14:37,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:37,697 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:37,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 14:14:37,697 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:37,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:37,698 INFO L85 PathProgramCache]: Analyzing trace with hash 704558553, now seen corresponding path program 1 times [2024-11-18 14:14:37,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:37,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086419007] [2024-11-18 14:14:37,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:37,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-18 14:14:37,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:37,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086419007] [2024-11-18 14:14:37,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086419007] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:37,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341395958] [2024-11-18 14:14:37,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:37,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:37,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:37,854 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:37,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-18 14:14:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:38,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 14:14:38,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-18 14:14:38,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:38,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341395958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:38,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-18 14:14:38,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852145527] [2024-11-18 14:14:38,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:38,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:14:38,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:38,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:14:38,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:38,283 INFO L87 Difference]: Start difference. First operand 862 states and 1359 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:38,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:38,362 INFO L93 Difference]: Finished difference Result 1705 states and 2696 transitions. [2024-11-18 14:14:38,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:14:38,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 166 [2024-11-18 14:14:38,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:38,369 INFO L225 Difference]: With dead ends: 1705 [2024-11-18 14:14:38,369 INFO L226 Difference]: Without dead ends: 868 [2024-11-18 14:14:38,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:38,375 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 1 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2458 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:38,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2458 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:38,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-18 14:14:38,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 864. [2024-11-18 14:14:38,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 677 states have (on average 1.589364844903988) internal successors, (1076), 688 states have internal predecessors, (1076), 133 states have call successors, (133), 50 states have call predecessors, (133), 53 states have return successors, (154), 128 states have call predecessors, (154), 132 states have call successors, (154) [2024-11-18 14:14:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1363 transitions. [2024-11-18 14:14:38,417 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1363 transitions. Word has length 166 [2024-11-18 14:14:38,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:38,417 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1363 transitions. [2024-11-18 14:14:38,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1363 transitions. [2024-11-18 14:14:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-18 14:14:38,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:38,422 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:38,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-18 14:14:38,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:38,627 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:38,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:38,627 INFO L85 PathProgramCache]: Analyzing trace with hash 737985420, now seen corresponding path program 1 times [2024-11-18 14:14:38,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:38,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061533486] [2024-11-18 14:14:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:38,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-18 14:14:38,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:38,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061533486] [2024-11-18 14:14:38,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061533486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:38,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:38,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:14:38,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000088645] [2024-11-18 14:14:38,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:38,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:14:38,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:38,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:14:38,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:38,799 INFO L87 Difference]: Start difference. First operand 864 states and 1363 transitions. Second operand has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-18 14:14:38,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:38,942 INFO L93 Difference]: Finished difference Result 1687 states and 2666 transitions. [2024-11-18 14:14:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:14:38,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (20), 2 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 145 [2024-11-18 14:14:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:38,985 INFO L225 Difference]: With dead ends: 1687 [2024-11-18 14:14:38,985 INFO L226 Difference]: Without dead ends: 868 [2024-11-18 14:14:38,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:14:38,990 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 7 mSDsluCounter, 3625 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4234 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:38,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4234 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:38,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-18 14:14:39,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 866. [2024-11-18 14:14:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 679 states have (on average 1.5876288659793814) internal successors, (1078), 689 states have internal predecessors, (1078), 133 states have call successors, (133), 51 states have call predecessors, (133), 53 states have return successors, (152), 128 states have call predecessors, (152), 132 states have call successors, (152) [2024-11-18 14:14:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1363 transitions. [2024-11-18 14:14:39,028 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1363 transitions. Word has length 145 [2024-11-18 14:14:39,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:39,028 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 1363 transitions. [2024-11-18 14:14:39,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-18 14:14:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1363 transitions. [2024-11-18 14:14:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-18 14:14:39,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:39,032 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:39,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:14:39,033 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:39,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:39,034 INFO L85 PathProgramCache]: Analyzing trace with hash -368419614, now seen corresponding path program 1 times [2024-11-18 14:14:39,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:39,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47282382] [2024-11-18 14:14:39,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:39,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:14:39,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:39,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47282382] [2024-11-18 14:14:39,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47282382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:39,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:39,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 14:14:39,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150770539] [2024-11-18 14:14:39,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:39,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 14:14:39,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:39,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 14:14:39,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:14:39,224 INFO L87 Difference]: Start difference. First operand 866 states and 1363 transitions. Second operand has 8 states, 7 states have (on average 14.714285714285714) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-18 14:14:39,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:39,369 INFO L93 Difference]: Finished difference Result 1701 states and 2685 transitions. [2024-11-18 14:14:39,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 14:14:39,370 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.714285714285714) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 165 [2024-11-18 14:14:39,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:39,376 INFO L225 Difference]: With dead ends: 1701 [2024-11-18 14:14:39,376 INFO L226 Difference]: Without dead ends: 876 [2024-11-18 14:14:39,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:14:39,380 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 5 mSDsluCounter, 3637 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:39,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4248 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:14:39,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2024-11-18 14:14:39,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 874. [2024-11-18 14:14:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 685 states have (on average 1.5824817518248175) internal successors, (1084), 696 states have internal predecessors, (1084), 133 states have call successors, (133), 52 states have call predecessors, (133), 55 states have return successors, (158), 128 states have call predecessors, (158), 132 states have call successors, (158) [2024-11-18 14:14:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1375 transitions. [2024-11-18 14:14:39,417 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1375 transitions. Word has length 165 [2024-11-18 14:14:39,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:39,417 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1375 transitions. [2024-11-18 14:14:39,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.714285714285714) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-18 14:14:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1375 transitions. [2024-11-18 14:14:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-18 14:14:39,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:39,422 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:39,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:14:39,422 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:39,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:39,423 INFO L85 PathProgramCache]: Analyzing trace with hash -180263031, now seen corresponding path program 1 times [2024-11-18 14:14:39,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:39,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554407736] [2024-11-18 14:14:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:39,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-18 14:14:39,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:39,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554407736] [2024-11-18 14:14:39,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554407736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:39,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965162173] [2024-11-18 14:14:39,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:39,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:39,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:39,604 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:39,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-18 14:14:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:39,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:14:39,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-18 14:14:40,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 14:14:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-18 14:14:40,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965162173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 14:14:40,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 14:14:40,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2024-11-18 14:14:40,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907959395] [2024-11-18 14:14:40,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 14:14:40,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 14:14:40,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:40,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 14:14:40,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:40,155 INFO L87 Difference]: Start difference. First operand 874 states and 1375 transitions. Second operand has 9 states, 9 states have (on average 18.666666666666668) internal successors, (168), 9 states have internal predecessors, (168), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-18 14:14:40,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:40,435 INFO L93 Difference]: Finished difference Result 2176 states and 3532 transitions. [2024-11-18 14:14:40,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 14:14:40,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.666666666666668) internal successors, (168), 9 states have internal predecessors, (168), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 168 [2024-11-18 14:14:40,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:40,448 INFO L225 Difference]: With dead ends: 2176 [2024-11-18 14:14:40,448 INFO L226 Difference]: Without dead ends: 1570 [2024-11-18 14:14:40,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-18 14:14:40,453 INFO L432 NwaCegarLoop]: 648 mSDtfsCounter, 515 mSDsluCounter, 3979 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 4627 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:40,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 4627 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:14:40,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-11-18 14:14:40,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1534. [2024-11-18 14:14:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1226 states have (on average 1.633768352365416) internal successors, (2003), 1229 states have internal predecessors, (2003), 256 states have call successors, (256), 51 states have call predecessors, (256), 51 states have return successors, (295), 256 states have call predecessors, (295), 255 states have call successors, (295) [2024-11-18 14:14:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2554 transitions. [2024-11-18 14:14:40,524 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2554 transitions. Word has length 168 [2024-11-18 14:14:40,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:40,525 INFO L471 AbstractCegarLoop]: Abstraction has 1534 states and 2554 transitions. [2024-11-18 14:14:40,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.666666666666668) internal successors, (168), 9 states have internal predecessors, (168), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-18 14:14:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2554 transitions. [2024-11-18 14:14:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-18 14:14:40,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:40,534 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:40,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-18 14:14:40,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:40,735 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:40,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:40,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1706957883, now seen corresponding path program 1 times [2024-11-18 14:14:40,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:40,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113351990] [2024-11-18 14:14:40,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:40,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-18 14:14:40,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:40,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113351990] [2024-11-18 14:14:40,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113351990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:40,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:40,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:40,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932992577] [2024-11-18 14:14:40,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:40,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:40,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:40,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:40,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:40,834 INFO L87 Difference]: Start difference. First operand 1534 states and 2554 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:40,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:40,896 INFO L93 Difference]: Finished difference Result 3630 states and 6129 transitions. [2024-11-18 14:14:40,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:40,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2024-11-18 14:14:40,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:40,910 INFO L225 Difference]: With dead ends: 3630 [2024-11-18 14:14:40,911 INFO L226 Difference]: Without dead ends: 2181 [2024-11-18 14:14:40,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:40,919 INFO L432 NwaCegarLoop]: 639 mSDtfsCounter, 132 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:40,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1254 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2024-11-18 14:14:41,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2171. [2024-11-18 14:14:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 1736 states have (on average 1.6422811059907834) internal successors, (2851), 1733 states have internal predecessors, (2851), 383 states have call successors, (383), 51 states have call predecessors, (383), 51 states have return successors, (445), 389 states have call predecessors, (445), 382 states have call successors, (445) [2024-11-18 14:14:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 3679 transitions. [2024-11-18 14:14:41,023 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 3679 transitions. Word has length 169 [2024-11-18 14:14:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:41,024 INFO L471 AbstractCegarLoop]: Abstraction has 2171 states and 3679 transitions. [2024-11-18 14:14:41,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 3679 transitions. [2024-11-18 14:14:41,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-18 14:14:41,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:41,038 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:41,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:14:41,038 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:41,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:41,039 INFO L85 PathProgramCache]: Analyzing trace with hash 461829907, now seen corresponding path program 1 times [2024-11-18 14:14:41,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:41,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973326336] [2024-11-18 14:14:41,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:41,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:41,264 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-18 14:14:41,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:41,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973326336] [2024-11-18 14:14:41,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973326336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:41,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120575637] [2024-11-18 14:14:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:41,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:41,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:41,267 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:41,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-18 14:14:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:41,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:14:41,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-18 14:14:41,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:41,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120575637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:41,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:41,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:14:41,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999680078] [2024-11-18 14:14:41,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:41,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:41,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:41,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:41,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:41,694 INFO L87 Difference]: Start difference. First operand 2171 states and 3679 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:14:41,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:41,774 INFO L93 Difference]: Finished difference Result 5184 states and 8879 transitions. [2024-11-18 14:14:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:41,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 166 [2024-11-18 14:14:41,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:41,795 INFO L225 Difference]: With dead ends: 5184 [2024-11-18 14:14:41,795 INFO L226 Difference]: Without dead ends: 3183 [2024-11-18 14:14:41,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:41,805 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 126 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:41,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1247 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:41,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2024-11-18 14:14:41,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 3173. [2024-11-18 14:14:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3173 states, 2571 states have (on average 1.6511085180863476) internal successors, (4245), 2559 states have internal predecessors, (4245), 550 states have call successors, (550), 51 states have call predecessors, (550), 51 states have return successors, (649), 565 states have call predecessors, (649), 549 states have call successors, (649) [2024-11-18 14:14:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 3173 states and 5444 transitions. [2024-11-18 14:14:41,944 INFO L78 Accepts]: Start accepts. Automaton has 3173 states and 5444 transitions. Word has length 166 [2024-11-18 14:14:41,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:41,945 INFO L471 AbstractCegarLoop]: Abstraction has 3173 states and 5444 transitions. [2024-11-18 14:14:41,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:14:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 5444 transitions. [2024-11-18 14:14:41,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-18 14:14:41,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:41,962 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:41,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-18 14:14:42,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-18 14:14:42,164 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:42,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:42,164 INFO L85 PathProgramCache]: Analyzing trace with hash 696337871, now seen corresponding path program 1 times [2024-11-18 14:14:42,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:42,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129850193] [2024-11-18 14:14:42,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:42,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-18 14:14:42,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:42,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129850193] [2024-11-18 14:14:42,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129850193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:42,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576629356] [2024-11-18 14:14:42,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:42,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:42,429 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:42,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-18 14:14:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:42,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:14:42,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-18 14:14:42,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:42,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576629356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:42,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:42,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:14:42,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957830345] [2024-11-18 14:14:42,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:42,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:42,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:42,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:42,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:42,832 INFO L87 Difference]: Start difference. First operand 3173 states and 5444 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:14:43,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:43,003 INFO L93 Difference]: Finished difference Result 7655 states and 13254 transitions. [2024-11-18 14:14:43,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:43,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 167 [2024-11-18 14:14:43,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:43,035 INFO L225 Difference]: With dead ends: 7655 [2024-11-18 14:14:43,035 INFO L226 Difference]: Without dead ends: 4802 [2024-11-18 14:14:43,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:43,051 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 124 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:43,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1239 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:43,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4802 states. [2024-11-18 14:14:43,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4802 to 4792. [2024-11-18 14:14:43,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4792 states, 3936 states have (on average 1.6580284552845528) internal successors, (6526), 3912 states have internal predecessors, (6526), 804 states have call successors, (804), 51 states have call predecessors, (804), 51 states have return successors, (964), 831 states have call predecessors, (964), 803 states have call successors, (964) [2024-11-18 14:14:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 8294 transitions. [2024-11-18 14:14:43,331 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 8294 transitions. Word has length 167 [2024-11-18 14:14:43,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:43,331 INFO L471 AbstractCegarLoop]: Abstraction has 4792 states and 8294 transitions. [2024-11-18 14:14:43,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:14:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 8294 transitions. [2024-11-18 14:14:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-18 14:14:43,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:43,357 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:43,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-18 14:14:43,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-18 14:14:43,559 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:43,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:43,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1743822312, now seen corresponding path program 1 times [2024-11-18 14:14:43,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:43,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018497973] [2024-11-18 14:14:43,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:43,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-18 14:14:43,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:43,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018497973] [2024-11-18 14:14:43,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018497973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:43,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:43,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:43,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892921094] [2024-11-18 14:14:43,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:43,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:43,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:43,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:43,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:43,634 INFO L87 Difference]: Start difference. First operand 4792 states and 8294 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:43,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:43,852 INFO L93 Difference]: Finished difference Result 12690 states and 22050 transitions. [2024-11-18 14:14:43,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:43,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 172 [2024-11-18 14:14:43,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:43,915 INFO L225 Difference]: With dead ends: 12690 [2024-11-18 14:14:43,915 INFO L226 Difference]: Without dead ends: 8040 [2024-11-18 14:14:43,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:43,938 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 130 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:43,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1242 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:43,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8040 states. [2024-11-18 14:14:44,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8040 to 8030. [2024-11-18 14:14:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8030 states, 6632 states have (on average 1.6617913148371533) internal successors, (11021), 6608 states have internal predecessors, (11021), 1346 states have call successors, (1346), 51 states have call predecessors, (1346), 51 states have return successors, (1550), 1373 states have call predecessors, (1550), 1345 states have call successors, (1550) [2024-11-18 14:14:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8030 states to 8030 states and 13917 transitions. [2024-11-18 14:14:44,387 INFO L78 Accepts]: Start accepts. Automaton has 8030 states and 13917 transitions. Word has length 172 [2024-11-18 14:14:44,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:44,389 INFO L471 AbstractCegarLoop]: Abstraction has 8030 states and 13917 transitions. [2024-11-18 14:14:44,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 8030 states and 13917 transitions. [2024-11-18 14:14:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-18 14:14:44,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:44,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:44,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 14:14:44,427 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:44,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:44,428 INFO L85 PathProgramCache]: Analyzing trace with hash -627935665, now seen corresponding path program 1 times [2024-11-18 14:14:44,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:44,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342353364] [2024-11-18 14:14:44,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:44,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:44,516 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-18 14:14:44,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:44,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342353364] [2024-11-18 14:14:44,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342353364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:44,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:44,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:44,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504933994] [2024-11-18 14:14:44,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:44,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:44,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:44,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:44,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:44,518 INFO L87 Difference]: Start difference. First operand 8030 states and 13917 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:44,938 INFO L93 Difference]: Finished difference Result 20342 states and 35475 transitions. [2024-11-18 14:14:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:44,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2024-11-18 14:14:44,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:45,002 INFO L225 Difference]: With dead ends: 20342 [2024-11-18 14:14:45,002 INFO L226 Difference]: Without dead ends: 13309 [2024-11-18 14:14:45,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:45,035 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 124 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:45,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1258 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:45,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13309 states. [2024-11-18 14:14:45,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13309 to 13299. [2024-11-18 14:14:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13299 states, 10991 states have (on average 1.6585388044763898) internal successors, (18229), 10952 states have internal predecessors, (18229), 2256 states have call successors, (2256), 51 states have call predecessors, (2256), 51 states have return successors, (2599), 2298 states have call predecessors, (2599), 2255 states have call successors, (2599) [2024-11-18 14:14:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13299 states to 13299 states and 23084 transitions. [2024-11-18 14:14:45,725 INFO L78 Accepts]: Start accepts. Automaton has 13299 states and 23084 transitions. Word has length 173 [2024-11-18 14:14:45,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:45,725 INFO L471 AbstractCegarLoop]: Abstraction has 13299 states and 23084 transitions. [2024-11-18 14:14:45,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 13299 states and 23084 transitions. [2024-11-18 14:14:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-18 14:14:45,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:45,790 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:45,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 14:14:45,791 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:45,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash 135210609, now seen corresponding path program 1 times [2024-11-18 14:14:45,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:45,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555691845] [2024-11-18 14:14:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:45,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-18 14:14:45,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:45,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555691845] [2024-11-18 14:14:45,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555691845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:45,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:45,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:45,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410803748] [2024-11-18 14:14:45,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:45,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:45,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:45,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:45,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:45,884 INFO L87 Difference]: Start difference. First operand 13299 states and 23084 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:46,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:46,661 INFO L93 Difference]: Finished difference Result 35060 states and 61157 transitions. [2024-11-18 14:14:46,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:46,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 174 [2024-11-18 14:14:46,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:46,768 INFO L225 Difference]: With dead ends: 35060 [2024-11-18 14:14:46,768 INFO L226 Difference]: Without dead ends: 23267 [2024-11-18 14:14:46,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:46,809 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 122 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:46,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1244 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:46,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23267 states. [2024-11-18 14:14:47,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23267 to 23257. [2024-11-18 14:14:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23257 states, 19305 states have (on average 1.658896658896659) internal successors, (32025), 19266 states have internal predecessors, (32025), 3900 states have call successors, (3900), 51 states have call predecessors, (3900), 51 states have return successors, (4432), 3942 states have call predecessors, (4432), 3899 states have call successors, (4432) [2024-11-18 14:14:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23257 states to 23257 states and 40357 transitions. [2024-11-18 14:14:47,914 INFO L78 Accepts]: Start accepts. Automaton has 23257 states and 40357 transitions. Word has length 174 [2024-11-18 14:14:47,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:47,916 INFO L471 AbstractCegarLoop]: Abstraction has 23257 states and 40357 transitions. [2024-11-18 14:14:47,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:14:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 23257 states and 40357 transitions. [2024-11-18 14:14:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-18 14:14:48,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:48,012 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:48,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 14:14:48,013 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:48,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:48,013 INFO L85 PathProgramCache]: Analyzing trace with hash 89848277, now seen corresponding path program 1 times [2024-11-18 14:14:48,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:48,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277124101] [2024-11-18 14:14:48,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:48,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-18 14:14:48,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:48,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277124101] [2024-11-18 14:14:48,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277124101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:48,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874529581] [2024-11-18 14:14:48,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:48,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:48,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:48,218 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:48,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-18 14:14:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:48,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:14:48,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-18 14:14:48,756 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:48,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874529581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:48,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:48,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:14:48,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541656421] [2024-11-18 14:14:48,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:48,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:48,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:48,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:48,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:48,762 INFO L87 Difference]: Start difference. First operand 23257 states and 40357 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:14:49,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:49,838 INFO L93 Difference]: Finished difference Result 56890 states and 98633 transitions. [2024-11-18 14:14:49,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:49,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 170 [2024-11-18 14:14:49,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:50,006 INFO L225 Difference]: With dead ends: 56890 [2024-11-18 14:14:50,007 INFO L226 Difference]: Without dead ends: 36767 [2024-11-18 14:14:50,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:50,069 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 118 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:50,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1214 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:50,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36767 states. [2024-11-18 14:14:51,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36767 to 36757. [2024-11-18 14:14:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36757 states, 30474 states have (on average 1.6343440309772266) internal successors, (49805), 30417 states have internal predecessors, (49805), 6231 states have call successors, (6231), 51 states have call predecessors, (6231), 51 states have return successors, (7182), 6291 states have call predecessors, (7182), 6230 states have call successors, (7182) [2024-11-18 14:14:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36757 states to 36757 states and 63218 transitions. [2024-11-18 14:14:51,915 INFO L78 Accepts]: Start accepts. Automaton has 36757 states and 63218 transitions. Word has length 170 [2024-11-18 14:14:51,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:51,916 INFO L471 AbstractCegarLoop]: Abstraction has 36757 states and 63218 transitions. [2024-11-18 14:14:51,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:14:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 36757 states and 63218 transitions. [2024-11-18 14:14:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-18 14:14:51,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:51,994 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:52,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-18 14:14:52,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:52,196 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:52,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:52,197 INFO L85 PathProgramCache]: Analyzing trace with hash -521426646, now seen corresponding path program 1 times [2024-11-18 14:14:52,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:52,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529886485] [2024-11-18 14:14:52,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:52,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-18 14:14:52,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:52,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529886485] [2024-11-18 14:14:52,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529886485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:14:52,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053947607] [2024-11-18 14:14:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:52,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:52,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:14:52,408 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:14:52,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-18 14:14:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:52,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:14:52,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:14:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-18 14:14:52,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:14:52,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053947607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:52,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:14:52,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-18 14:14:52,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28778001] [2024-11-18 14:14:52,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:52,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:52,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:52,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:52,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:52,820 INFO L87 Difference]: Start difference. First operand 36757 states and 63218 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:14:55,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:14:55,161 INFO L93 Difference]: Finished difference Result 99195 states and 171269 transitions. [2024-11-18 14:14:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:14:55,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 171 [2024-11-18 14:14:55,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:14:55,557 INFO L225 Difference]: With dead ends: 99195 [2024-11-18 14:14:55,558 INFO L226 Difference]: Without dead ends: 66428 [2024-11-18 14:14:55,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:14:55,667 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 116 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:14:55,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1250 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:14:55,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66428 states. [2024-11-18 14:14:58,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66428 to 66418. [2024-11-18 14:14:58,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66418 states, 55335 states have (on average 1.631209903316165) internal successors, (90263), 55257 states have internal predecessors, (90263), 11031 states have call successors, (11031), 51 states have call predecessors, (11031), 51 states have return successors, (12789), 11112 states have call predecessors, (12789), 11030 states have call successors, (12789) [2024-11-18 14:14:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66418 states to 66418 states and 114083 transitions. [2024-11-18 14:14:58,970 INFO L78 Accepts]: Start accepts. Automaton has 66418 states and 114083 transitions. Word has length 171 [2024-11-18 14:14:58,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:14:58,971 INFO L471 AbstractCegarLoop]: Abstraction has 66418 states and 114083 transitions. [2024-11-18 14:14:58,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-18 14:14:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 66418 states and 114083 transitions. [2024-11-18 14:14:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-18 14:14:59,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:14:59,086 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:14:59,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-18 14:14:59,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:14:59,288 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:14:59,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:14:59,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1271122005, now seen corresponding path program 1 times [2024-11-18 14:14:59,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:14:59,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138973797] [2024-11-18 14:14:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:14:59,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:14:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:14:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-18 14:14:59,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:14:59,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138973797] [2024-11-18 14:14:59,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138973797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:14:59,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:14:59,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:14:59,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11650669] [2024-11-18 14:14:59,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:14:59,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:14:59,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:14:59,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:14:59,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:14:59,365 INFO L87 Difference]: Start difference. First operand 66418 states and 114083 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:15:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:15:02,749 INFO L93 Difference]: Finished difference Result 184221 states and 316866 transitions. [2024-11-18 14:15:02,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:15:02,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 177 [2024-11-18 14:15:02,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:15:03,458 INFO L225 Difference]: With dead ends: 184221 [2024-11-18 14:15:03,458 INFO L226 Difference]: Without dead ends: 123676 [2024-11-18 14:15:03,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:15:03,673 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 116 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:15:03,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1244 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:15:03,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123676 states. [2024-11-18 14:15:08,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123676 to 123666. [2024-11-18 14:15:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123666 states, 103563 states have (on average 1.6267006556395625) internal successors, (168466), 103485 states have internal predecessors, (168466), 20051 states have call successors, (20051), 51 states have call predecessors, (20051), 51 states have return successors, (22873), 20132 states have call predecessors, (22873), 20050 states have call successors, (22873) [2024-11-18 14:15:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123666 states to 123666 states and 211390 transitions. [2024-11-18 14:15:08,596 INFO L78 Accepts]: Start accepts. Automaton has 123666 states and 211390 transitions. Word has length 177 [2024-11-18 14:15:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:15:08,597 INFO L471 AbstractCegarLoop]: Abstraction has 123666 states and 211390 transitions. [2024-11-18 14:15:08,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 14:15:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 123666 states and 211390 transitions. [2024-11-18 14:15:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-18 14:15:08,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:15:08,747 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:15:08,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 14:15:08,747 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:15:08,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:15:08,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1416510673, now seen corresponding path program 1 times [2024-11-18 14:15:08,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:15:08,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896173233] [2024-11-18 14:15:08,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:15:08,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:15:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:15:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-18 14:15:08,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:15:08,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896173233] [2024-11-18 14:15:08,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896173233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:15:08,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:15:08,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:15:08,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195400420] [2024-11-18 14:15:08,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:15:08,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:15:08,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:15:08,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:15:08,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:15:08,824 INFO L87 Difference]: Start difference. First operand 123666 states and 211390 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-18 14:15:13,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:15:13,950 INFO L93 Difference]: Finished difference Result 232958 states and 399009 transitions. [2024-11-18 14:15:13,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:15:13,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 2 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 [2024-11-18 14:15:13,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:15:14,988 INFO L225 Difference]: With dead ends: 232958 [2024-11-18 14:15:14,989 INFO L226 Difference]: Without dead ends: 232623 [2024-11-18 14:15:15,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:15:15,091 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 111 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:15:15,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1256 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:15:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232623 states. [2024-11-18 14:15:22,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232623 to 232613. [2024-11-18 14:15:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232613 states, 195898 states have (on average 1.6212876088576709) internal successors, (317607), 195796 states have internal predecessors, (317607), 36663 states have call successors, (36663), 51 states have call predecessors, (36663), 51 states have return successors, (42092), 36768 states have call predecessors, (42092), 36662 states have call successors, (42092) [2024-11-18 14:15:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232613 states to 232613 states and 396362 transitions. [2024-11-18 14:15:23,763 INFO L78 Accepts]: Start accepts. Automaton has 232613 states and 396362 transitions. Word has length 159 [2024-11-18 14:15:23,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:15:23,764 INFO L471 AbstractCegarLoop]: Abstraction has 232613 states and 396362 transitions. [2024-11-18 14:15:23,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-18 14:15:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 232613 states and 396362 transitions. [2024-11-18 14:15:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-18 14:15:23,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:15:23,935 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:15:23,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-18 14:15:23,936 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:15:23,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:15:23,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1838396534, now seen corresponding path program 1 times [2024-11-18 14:15:23,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:15:23,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803489514] [2024-11-18 14:15:23,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:15:23,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:15:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:15:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-18 14:15:24,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:15:24,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803489514] [2024-11-18 14:15:24,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803489514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:15:24,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:15:24,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:15:24,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477335217] [2024-11-18 14:15:24,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:15:24,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:15:24,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:15:24,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:15:24,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:15:24,932 INFO L87 Difference]: Start difference. First operand 232613 states and 396362 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20)