./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_spec27_product27.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 7f7652bf269245a8144605490a4a891295a82bf8357d2cf3971e290586b4e5c1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:40:19,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:40:19,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:40:19,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:40:19,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:40:19,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:40:19,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:40:19,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:40:19,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:40:19,998 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:40:19,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:40:19,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:40:20,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:40:20,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:40:20,002 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:40:20,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:40:20,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:40:20,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:40:20,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:40:20,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:40:20,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:40:20,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:40:20,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:40:20,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:40:20,006 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:40:20,007 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:40:20,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:40:20,007 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:40:20,007 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:40:20,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:40:20,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:40:20,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:40:20,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:40:20,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:40:20,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:40:20,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:40:20,009 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:40:20,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:40:20,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:40:20,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:40:20,012 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:40:20,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:40:20,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7652bf269245a8144605490a4a891295a82bf8357d2cf3971e290586b4e5c1 [2024-11-16 07:40:20,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:40:20,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:40:20,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:40:20,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:40:20,226 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:40:20,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product27.cil.c [2024-11-16 07:40:21,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:40:21,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:40:21,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product27.cil.c [2024-11-16 07:40:21,860 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90620429d/2a6e2a906111417f8f05a4ab95b80342/FLAG3eaaf4702 [2024-11-16 07:40:21,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90620429d/2a6e2a906111417f8f05a4ab95b80342 [2024-11-16 07:40:21,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:40:21,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:40:21,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:40:21,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:40:21,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:40:21,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:40:21" (1/1) ... [2024-11-16 07:40:21,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9ef37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:21, skipping insertion in model container [2024-11-16 07:40:21,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:40:21" (1/1) ... [2024-11-16 07:40:21,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:40:22,312 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_spec27_product27.cil.c[57688,57701] [2024-11-16 07:40:22,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:40:22,358 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:40:22,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-16 07:40:22,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [167] [2024-11-16 07:40:22,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [533] [2024-11-16 07:40:22,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [937] [2024-11-16 07:40:22,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1170] [2024-11-16 07:40:22,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2250] [2024-11-16 07:40:22,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2558] [2024-11-16 07:40:22,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2593] [2024-11-16 07:40:22,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2602] [2024-11-16 07:40:22,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2633] [2024-11-16 07:40:22,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2650] [2024-11-16 07:40:22,427 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_spec27_product27.cil.c[57688,57701] [2024-11-16 07:40:22,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:40:22,538 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:40:22,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22 WrapperNode [2024-11-16 07:40:22,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:40:22,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:40:22,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:40:22,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:40:22,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,628 INFO L138 Inliner]: procedures = 133, calls = 209, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1082 [2024-11-16 07:40:22,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:40:22,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:40:22,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:40:22,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:40:22,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,669 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]. [2024-11-16 07:40:22,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,682 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:40:22,707 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:40:22,708 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:40:22,708 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:40:22,708 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (1/1) ... [2024-11-16 07:40:22,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:40:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:40:22,747 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) [2024-11-16 07:40:22,750 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 [2024-11-16 07:40:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-16 07:40:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-16 07:40:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-16 07:40:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-16 07:40:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-16 07:40:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-16 07:40:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-16 07:40:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-16 07:40:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-16 07:40:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-16 07:40:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-16 07:40:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-16 07:40:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-16 07:40:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-16 07:40:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-16 07:40:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-16 07:40:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-16 07:40:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-16 07:40:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-16 07:40:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-16 07:40:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-16 07:40:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-16 07:40:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-16 07:40:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-16 07:40:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:40:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-16 07:40:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-16 07:40:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-16 07:40:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-16 07:40:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-16 07:40:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-16 07:40:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-16 07:40:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-16 07:40:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-16 07:40:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-16 07:40:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-16 07:40:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-16 07:40:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-16 07:40:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-16 07:40:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-16 07:40:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-16 07:40:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-16 07:40:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-16 07:40:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-16 07:40:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-16 07:40:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:40:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 07:40:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 07:40:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 07:40:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-16 07:40:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-16 07:40:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-16 07:40:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-16 07:40:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:40:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:40:22,960 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:40:22,962 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:40:23,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1792-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~26#1; [2024-11-16 07:40:23,062 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L844: #res := ~retValue_acc~14; [2024-11-16 07:40:23,070 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L918: #res := ~retValue_acc~16; [2024-11-16 07:40:23,110 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1884: #res#1 := ~retValue_acc~28#1; [2024-11-16 07:40:23,110 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1839-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~27#1; [2024-11-16 07:40:23,144 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2108: #res := ~retValue_acc~31; [2024-11-16 07:40:23,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L164-1: createEmail_#res#1 := createEmail_~retValue_acc~2#1; [2024-11-16 07:40:23,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1336: #res := ~retValue_acc~20; [2024-11-16 07:40:23,208 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L881: #res := ~retValue_acc~15; [2024-11-16 07:40:23,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L655: #res := ~retValue_acc~9; [2024-11-16 07:40:23,262 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1662: #res := ~retValue_acc~24; [2024-11-16 07:40:23,383 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1745-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~25#1; [2024-11-16 07:40:23,383 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L581-1: getEmailId_#res#1 := getEmailId_~retValue_acc~7#1; [2024-11-16 07:40:23,383 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2227-1: getClientId_#res#1 := getClientId_~retValue_acc~33#1; [2024-11-16 07:40:23,383 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2898-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~42#1; [2024-11-16 07:40:23,383 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2180-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~32#1; [2024-11-16 07:40:23,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2054-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~30#1; [2024-11-16 07:40:23,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2864-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~40#1; [2024-11-16 07:40:23,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590-1: valid_product_#res#1 := valid_product_~retValue_acc~36#1; [2024-11-16 07:40:23,547 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2855-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~39#1; [2024-11-16 07:40:23,548 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1947-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~29#1; [2024-11-16 07:40:23,548 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2873-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~41#1; [2024-11-16 07:40:23,552 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L618: #res := ~retValue_acc~8; [2024-11-16 07:40:23,554 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L140: #res := ~retValue_acc~0; [2024-11-16 07:40:23,731 INFO L? ?]: Removed 561 outVars from TransFormulas that were not future-live. [2024-11-16 07:40:23,731 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:40:23,758 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:40:23,758 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:40:23,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:40:23 BoogieIcfgContainer [2024-11-16 07:40:23,759 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:40:23,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:40:23,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:40:23,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:40:23,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:40:21" (1/3) ... [2024-11-16 07:40:23,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408dcb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:40:23, skipping insertion in model container [2024-11-16 07:40:23,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:22" (2/3) ... [2024-11-16 07:40:23,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408dcb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:40:23, skipping insertion in model container [2024-11-16 07:40:23,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:40:23" (3/3) ... [2024-11-16 07:40:23,768 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product27.cil.c [2024-11-16 07:40:23,783 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:40:23,784 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:40:23,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:40:23,861 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;@228cacfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:40:23,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:40:23,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 336 states have (on average 1.5357142857142858) internal successors, (516), 339 states have internal predecessors, (516), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 07:40:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-16 07:40:23,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:23,890 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:23,890 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:23,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1128013516, now seen corresponding path program 1 times [2024-11-16 07:40:23,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:23,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909904533] [2024-11-16 07:40:23,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:23,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:40:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:40:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:40:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 07:40:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 07:40:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 07:40:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 07:40:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:40:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:40:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:40:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:40:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:40:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-16 07:40:24,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:24,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909904533] [2024-11-16 07:40:24,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909904533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:40:24,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023820925] [2024-11-16 07:40:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:24,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:40:24,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:40:24,440 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) [2024-11-16 07:40:24,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 07:40:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:24,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 07:40:24,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:40:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-16 07:40:24,838 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:40:24,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023820925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:24,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:40:24,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-16 07:40:24,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282386651] [2024-11-16 07:40:24,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:24,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:40:24,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:24,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:40:24,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:40:24,869 INFO L87 Difference]: Start difference. First operand has 424 states, 336 states have (on average 1.5357142857142858) internal successors, (516), 339 states have internal predecessors, (516), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:24,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:24,918 INFO L93 Difference]: Finished difference Result 638 states and 950 transitions. [2024-11-16 07:40:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:40:24,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 118 [2024-11-16 07:40:24,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:24,932 INFO L225 Difference]: With dead ends: 638 [2024-11-16 07:40:24,932 INFO L226 Difference]: Without dead ends: 416 [2024-11-16 07:40:24,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:40:24,940 INFO L432 NwaCegarLoop]: 635 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, 635 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 [2024-11-16 07:40:24,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:40:24,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-16 07:40:24,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-11-16 07:40:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 329 states have (on average 1.5319148936170213) internal successors, (504), 331 states have internal predecessors, (504), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-16 07:40:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 627 transitions. [2024-11-16 07:40:25,001 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 627 transitions. Word has length 118 [2024-11-16 07:40:25,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:25,003 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 627 transitions. [2024-11-16 07:40:25,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 627 transitions. [2024-11-16 07:40:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-16 07:40:25,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:25,012 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 07:40:25,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 07:40:25,213 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 [2024-11-16 07:40:25,214 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:25,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:25,214 INFO L85 PathProgramCache]: Analyzing trace with hash 841534876, now seen corresponding path program 1 times [2024-11-16 07:40:25,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:25,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570388409] [2024-11-16 07:40:25,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:40:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:40:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:40:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:40:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 07:40:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:40:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 07:40:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:40:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:40:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:40:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:40:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:40:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:40:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:40:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:40:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:40:25,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:25,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570388409] [2024-11-16 07:40:25,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570388409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:40:25,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410146276] [2024-11-16 07:40:25,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:25,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:40:25,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:40:25,553 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) [2024-11-16 07:40:25,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 07:40:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:25,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 07:40:25,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:40:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 07:40:25,895 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:40:25,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410146276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:25,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:40:25,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:40:25,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318027878] [2024-11-16 07:40:25,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:25,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:40:25,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:25,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:40:25,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:40:25,898 INFO L87 Difference]: Start difference. First operand 416 states and 627 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:40:25,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:25,938 INFO L93 Difference]: Finished difference Result 628 states and 928 transitions. [2024-11-16 07:40:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:40:25,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2024-11-16 07:40:25,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:25,941 INFO L225 Difference]: With dead ends: 628 [2024-11-16 07:40:25,941 INFO L226 Difference]: Without dead ends: 420 [2024-11-16 07:40:25,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:40:25,943 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 0 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:25,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1250 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:40:25,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-16 07:40:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-16 07:40:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 333 states have (on average 1.5255255255255256) internal successors, (508), 335 states have internal predecessors, (508), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-16 07:40:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 631 transitions. [2024-11-16 07:40:25,966 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 631 transitions. Word has length 140 [2024-11-16 07:40:25,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:25,967 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 631 transitions. [2024-11-16 07:40:25,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:40:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 631 transitions. [2024-11-16 07:40:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 07:40:25,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:25,970 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 07:40:25,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 07:40:26,171 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 [2024-11-16 07:40:26,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:26,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:26,173 INFO L85 PathProgramCache]: Analyzing trace with hash -364141592, now seen corresponding path program 1 times [2024-11-16 07:40:26,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:26,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671603075] [2024-11-16 07:40:26,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:26,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:40:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:40:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:40:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:40:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:40:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:40:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:40:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:40:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:40:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:40:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:40:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:40:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:40:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:40:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:40:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:40:26,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:26,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671603075] [2024-11-16 07:40:26,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671603075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:40:26,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018819414] [2024-11-16 07:40:26,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:26,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:40:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:40:26,479 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) [2024-11-16 07:40:26,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 07:40:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:26,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:40:26,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:40:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 07:40:26,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:40:26,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018819414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:26,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:40:26,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:40:26,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378341407] [2024-11-16 07:40:26,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:26,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:40:26,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:26,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:40:26,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:40:26,802 INFO L87 Difference]: Start difference. First operand 420 states and 631 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:40:26,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:26,840 INFO L93 Difference]: Finished difference Result 902 states and 1371 transitions. [2024-11-16 07:40:26,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:40:26,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-16 07:40:26,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:26,853 INFO L225 Difference]: With dead ends: 902 [2024-11-16 07:40:26,853 INFO L226 Difference]: Without dead ends: 511 [2024-11-16 07:40:26,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:40:26,856 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 152 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1213 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 [2024-11-16 07:40:26,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1213 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:40:26,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-16 07:40:26,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 503. [2024-11-16 07:40:26,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 402 states have (on average 1.5323383084577114) internal successors, (616), 404 states have internal predecessors, (616), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-16 07:40:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 767 transitions. [2024-11-16 07:40:26,895 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 767 transitions. Word has length 151 [2024-11-16 07:40:26,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:26,896 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 767 transitions. [2024-11-16 07:40:26,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:40:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 767 transitions. [2024-11-16 07:40:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-16 07:40:26,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:26,900 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 07:40:26,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 07:40:27,103 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 [2024-11-16 07:40:27,104 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:27,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:27,104 INFO L85 PathProgramCache]: Analyzing trace with hash 359654115, now seen corresponding path program 1 times [2024-11-16 07:40:27,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:27,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928763742] [2024-11-16 07:40:27,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:40:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:40:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:40:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 07:40:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:40:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:40:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:40:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:40:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:40:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:40:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:40:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:40:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:40:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:40:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:40:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:40:27,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:27,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928763742] [2024-11-16 07:40:27,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928763742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:40:27,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951773684] [2024-11-16 07:40:27,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:27,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:40:27,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:40:27,377 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) [2024-11-16 07:40:27,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 07:40:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:27,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 07:40:27,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:40:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-16 07:40:27,694 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:40:27,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951773684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:27,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:40:27,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-16 07:40:27,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433748288] [2024-11-16 07:40:27,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:27,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:40:27,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:27,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:40:27,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:40:27,698 INFO L87 Difference]: Start difference. First operand 503 states and 767 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:40:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:27,752 INFO L93 Difference]: Finished difference Result 997 states and 1524 transitions. [2024-11-16 07:40:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:40:27,753 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 152 [2024-11-16 07:40:27,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:27,756 INFO L225 Difference]: With dead ends: 997 [2024-11-16 07:40:27,757 INFO L226 Difference]: Without dead ends: 505 [2024-11-16 07:40:27,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:40:27,760 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 2 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2465 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 [2024-11-16 07:40:27,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2465 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:40:27,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-16 07:40:27,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2024-11-16 07:40:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 403 states have (on average 1.531017369727047) internal successors, (617), 406 states have internal predecessors, (617), 76 states have call successors, (76), 24 states have call predecessors, (76), 25 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2024-11-16 07:40:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 770 transitions. [2024-11-16 07:40:27,783 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 770 transitions. Word has length 152 [2024-11-16 07:40:27,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:27,783 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 770 transitions. [2024-11-16 07:40:27,784 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:40:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 770 transitions. [2024-11-16 07:40:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-16 07:40:27,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:27,786 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:27,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 07:40:27,986 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 [2024-11-16 07:40:27,987 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:27,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:27,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1824938638, now seen corresponding path program 1 times [2024-11-16 07:40:27,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:27,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019626644] [2024-11-16 07:40:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:27,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:40:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:40:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 07:40:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:40:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:40:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:40:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:40:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:40:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:40:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:40:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:40:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 07:40:28,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:28,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019626644] [2024-11-16 07:40:28,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019626644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:40:28,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178535107] [2024-11-16 07:40:28,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:28,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:40:28,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:40:28,188 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) [2024-11-16 07:40:28,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 07:40:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 07:40:28,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:40:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-16 07:40:28,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:40:28,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178535107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:28,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:40:28,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-16 07:40:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929136545] [2024-11-16 07:40:28,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:28,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:40:28,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:28,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:40:28,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:40:28,485 INFO L87 Difference]: Start difference. First operand 505 states and 770 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:40:28,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:28,547 INFO L93 Difference]: Finished difference Result 999 states and 1529 transitions. [2024-11-16 07:40:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:40:28,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2024-11-16 07:40:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:28,551 INFO L225 Difference]: With dead ends: 999 [2024-11-16 07:40:28,551 INFO L226 Difference]: Without dead ends: 507 [2024-11-16 07:40:28,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:40:28,553 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 2 mSDsluCounter, 1834 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2451 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 [2024-11-16 07:40:28,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2451 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:40:28,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-16 07:40:28,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2024-11-16 07:40:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 404 states have (on average 1.5297029702970297) internal successors, (618), 408 states have internal predecessors, (618), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-16 07:40:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 776 transitions. [2024-11-16 07:40:28,568 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 776 transitions. Word has length 134 [2024-11-16 07:40:28,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:28,569 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 776 transitions. [2024-11-16 07:40:28,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:40:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 776 transitions. [2024-11-16 07:40:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-16 07:40:28,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:28,571 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:28,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 07:40:28,772 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 [2024-11-16 07:40:28,772 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:28,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:28,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1153198218, now seen corresponding path program 1 times [2024-11-16 07:40:28,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:28,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687045136] [2024-11-16 07:40:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 07:40:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:40:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:40:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:40:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:40:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:40:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:40:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:40:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:40:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:40:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:28,987 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-16 07:40:28,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:28,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687045136] [2024-11-16 07:40:28,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687045136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:28,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:28,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:40:28,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546137444] [2024-11-16 07:40:28,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:28,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:40:28,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:28,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:40:28,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:40:28,989 INFO L87 Difference]: Start difference. First operand 507 states and 776 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:40:31,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:31,055 INFO L93 Difference]: Finished difference Result 1190 states and 1852 transitions. [2024-11-16 07:40:31,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:40:31,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 135 [2024-11-16 07:40:31,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:31,059 INFO L225 Difference]: With dead ends: 1190 [2024-11-16 07:40:31,059 INFO L226 Difference]: Without dead ends: 706 [2024-11-16 07:40:31,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:40:31,061 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1380 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 3097 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 3097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:31,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 1490 Invalid, 3556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 3097 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 07:40:31,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-16 07:40:31,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 507. [2024-11-16 07:40:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 404 states have (on average 1.5297029702970297) internal successors, (618), 408 states have internal predecessors, (618), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2024-11-16 07:40:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 775 transitions. [2024-11-16 07:40:31,107 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 775 transitions. Word has length 135 [2024-11-16 07:40:31,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:31,107 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 775 transitions. [2024-11-16 07:40:31,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:40:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 775 transitions. [2024-11-16 07:40:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 07:40:31,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:31,109 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:31,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 07:40:31,110 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:31,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:31,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1346045732, now seen corresponding path program 2 times [2024-11-16 07:40:31,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:31,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530352679] [2024-11-16 07:40:31,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:31,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 07:40:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 07:40:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 07:40:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:40:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:40:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:40:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:40:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:40:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:40:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 07:40:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-16 07:40:31,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:31,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530352679] [2024-11-16 07:40:31,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530352679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:31,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:31,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:40:31,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738495829] [2024-11-16 07:40:31,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:31,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:40:31,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:31,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:40:31,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:40:31,299 INFO L87 Difference]: Start difference. First operand 507 states and 775 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:40:33,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:33,356 INFO L93 Difference]: Finished difference Result 1192 states and 1855 transitions. [2024-11-16 07:40:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:40:33,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 136 [2024-11-16 07:40:33,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:33,361 INFO L225 Difference]: With dead ends: 1192 [2024-11-16 07:40:33,361 INFO L226 Difference]: Without dead ends: 708 [2024-11-16 07:40:33,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:40:33,363 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1375 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 3119 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 3119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:33,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 1490 Invalid, 3564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 3119 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 07:40:33,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-16 07:40:33,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 509. [2024-11-16 07:40:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 405 states have (on average 1.528395061728395) internal successors, (619), 410 states have internal predecessors, (619), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-16 07:40:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 778 transitions. [2024-11-16 07:40:33,393 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 778 transitions. Word has length 136 [2024-11-16 07:40:33,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:33,393 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 778 transitions. [2024-11-16 07:40:33,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:40:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 778 transitions. [2024-11-16 07:40:33,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 07:40:33,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:33,396 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:33,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 07:40:33,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:33,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:33,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1847424269, now seen corresponding path program 1 times [2024-11-16 07:40:33,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:33,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473131697] [2024-11-16 07:40:33,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:33,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:40:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 07:40:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:40:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:40:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:40:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:40:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:40:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:40:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:40:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:33,564 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 07:40:33,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:33,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473131697] [2024-11-16 07:40:33,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473131697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:33,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:33,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:40:33,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419757960] [2024-11-16 07:40:33,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:33,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:40:33,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:33,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:40:33,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:40:33,565 INFO L87 Difference]: Start difference. First operand 509 states and 778 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-16 07:40:36,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:36,281 INFO L93 Difference]: Finished difference Result 1190 states and 1850 transitions. [2024-11-16 07:40:36,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:40:36,281 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 137 [2024-11-16 07:40:36,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:36,285 INFO L225 Difference]: With dead ends: 1190 [2024-11-16 07:40:36,285 INFO L226 Difference]: Without dead ends: 708 [2024-11-16 07:40:36,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:40:36,287 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1378 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 5178 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 5630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 5178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:36,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 2065 Invalid, 5630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 5178 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-16 07:40:36,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-16 07:40:36,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 509. [2024-11-16 07:40:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 405 states have (on average 1.528395061728395) internal successors, (619), 410 states have internal predecessors, (619), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-16 07:40:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 777 transitions. [2024-11-16 07:40:36,351 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 777 transitions. Word has length 137 [2024-11-16 07:40:36,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:36,351 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 777 transitions. [2024-11-16 07:40:36,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-16 07:40:36,351 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 777 transitions. [2024-11-16 07:40:36,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 07:40:36,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:36,354 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-16 07:40:36,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 07:40:36,354 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:36,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:36,355 INFO L85 PathProgramCache]: Analyzing trace with hash 461777920, now seen corresponding path program 1 times [2024-11-16 07:40:36,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:36,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945527259] [2024-11-16 07:40:36,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:40:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:40:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:40:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:40:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:40:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:40:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:40:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:40:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:40:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:40:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:40:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:40:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-16 07:40:36,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:36,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945527259] [2024-11-16 07:40:36,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945527259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:36,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:36,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:40:36,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153809487] [2024-11-16 07:40:36,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:36,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:40:36,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:36,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:40:36,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:40:36,585 INFO L87 Difference]: Start difference. First operand 509 states and 777 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-16 07:40:39,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:39,187 INFO L93 Difference]: Finished difference Result 1192 states and 1856 transitions. [2024-11-16 07:40:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:40:39,187 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 157 [2024-11-16 07:40:39,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:39,191 INFO L225 Difference]: With dead ends: 1192 [2024-11-16 07:40:39,191 INFO L226 Difference]: Without dead ends: 710 [2024-11-16 07:40:39,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:40:39,193 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1374 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 5197 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 5650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 5197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:39,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 2066 Invalid, 5650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 5197 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-16 07:40:39,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-16 07:40:39,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 511. [2024-11-16 07:40:39,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 406 states have (on average 1.5270935960591132) internal successors, (620), 412 states have internal predecessors, (620), 76 states have call successors, (76), 24 states have call predecessors, (76), 28 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2024-11-16 07:40:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 783 transitions. [2024-11-16 07:40:39,218 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 783 transitions. Word has length 157 [2024-11-16 07:40:39,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:39,219 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 783 transitions. [2024-11-16 07:40:39,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-16 07:40:39,220 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 783 transitions. [2024-11-16 07:40:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-16 07:40:39,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:39,221 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-16 07:40:39,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 07:40:39,222 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:39,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:39,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1734532053, now seen corresponding path program 1 times [2024-11-16 07:40:39,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:39,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824488806] [2024-11-16 07:40:39,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:39,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:40:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 07:40:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:40:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:40:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:40:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:40:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:40:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:40:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:40:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:40:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:40:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:40:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-16 07:40:39,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:39,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824488806] [2024-11-16 07:40:39,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824488806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:40:39,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138526512] [2024-11-16 07:40:39,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:39,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:40:39,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:40:39,417 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) [2024-11-16 07:40:39,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 07:40:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:39,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:40:39,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:40:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:40:39,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 07:40:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:40:39,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138526512] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 07:40:39,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 07:40:39,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-16 07:40:39,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996500798] [2024-11-16 07:40:39,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 07:40:39,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 07:40:39,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:39,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 07:40:39,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:40:39,812 INFO L87 Difference]: Start difference. First operand 511 states and 783 transitions. Second operand has 15 states, 14 states have (on average 12.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-16 07:40:43,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:43,301 INFO L93 Difference]: Finished difference Result 1712 states and 2748 transitions. [2024-11-16 07:40:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 07:40:43,304 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 12.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 158 [2024-11-16 07:40:43,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:43,314 INFO L225 Difference]: With dead ends: 1712 [2024-11-16 07:40:43,318 INFO L226 Difference]: Without dead ends: 1234 [2024-11-16 07:40:43,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-16 07:40:43,321 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 2768 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 6902 mSolverCounterSat, 865 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 2409 SdHoareTripleChecker+Invalid, 7767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 865 IncrementalHoareTripleChecker+Valid, 6902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:43,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 2409 Invalid, 7767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [865 Valid, 6902 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 07:40:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-11-16 07:40:43,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1011. [2024-11-16 07:40:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 827 states have (on average 1.5513905683192262) internal successors, (1283), 833 states have internal predecessors, (1283), 155 states have call successors, (155), 24 states have call predecessors, (155), 28 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2024-11-16 07:40:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1614 transitions. [2024-11-16 07:40:43,382 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1614 transitions. Word has length 158 [2024-11-16 07:40:43,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:43,382 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1614 transitions. [2024-11-16 07:40:43,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-16 07:40:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1614 transitions. [2024-11-16 07:40:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 07:40:43,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:43,386 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:43,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-16 07:40:43,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:40:43,587 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:43,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:43,588 INFO L85 PathProgramCache]: Analyzing trace with hash -460945139, now seen corresponding path program 1 times [2024-11-16 07:40:43,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:43,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385833833] [2024-11-16 07:40:43,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:40:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:40:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:40:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:40:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:40:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:40:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 07:40:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:40:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:40:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:40:43,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:43,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385833833] [2024-11-16 07:40:43,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385833833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:43,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:43,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:40:43,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910024096] [2024-11-16 07:40:43,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:43,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:40:43,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:43,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:40:43,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:40:43,668 INFO L87 Difference]: Start difference. First operand 1011 states and 1614 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:45,142 INFO L93 Difference]: Finished difference Result 2621 states and 4271 transitions. [2024-11-16 07:40:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:40:45,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 149 [2024-11-16 07:40:45,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:45,149 INFO L225 Difference]: With dead ends: 2621 [2024-11-16 07:40:45,150 INFO L226 Difference]: Without dead ends: 1692 [2024-11-16 07:40:45,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:40:45,152 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1525 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:45,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 1108 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 07:40:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-11-16 07:40:45,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1485. [2024-11-16 07:40:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 1222 states have (on average 1.5564648117839608) internal successors, (1902), 1228 states have internal predecessors, (1902), 234 states have call successors, (234), 24 states have call predecessors, (234), 28 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2024-11-16 07:40:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2401 transitions. [2024-11-16 07:40:45,202 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2401 transitions. Word has length 149 [2024-11-16 07:40:45,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:45,202 INFO L471 AbstractCegarLoop]: Abstraction has 1485 states and 2401 transitions. [2024-11-16 07:40:45,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2401 transitions. [2024-11-16 07:40:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-16 07:40:45,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:45,207 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:45,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 07:40:45,207 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:45,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:45,208 INFO L85 PathProgramCache]: Analyzing trace with hash 998290905, now seen corresponding path program 1 times [2024-11-16 07:40:45,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:45,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599142882] [2024-11-16 07:40:45,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:40:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:40:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:40:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:40:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:40:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:40:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:40:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:40:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:40:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:40:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 07:40:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 07:40:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:40:45,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:45,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599142882] [2024-11-16 07:40:45,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599142882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:45,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:45,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:40:45,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526616653] [2024-11-16 07:40:45,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:45,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:40:45,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:45,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:40:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:40:45,291 INFO L87 Difference]: Start difference. First operand 1485 states and 2401 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:40:46,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:46,797 INFO L93 Difference]: Finished difference Result 3807 states and 6231 transitions. [2024-11-16 07:40:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:40:46,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2024-11-16 07:40:46,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:46,806 INFO L225 Difference]: With dead ends: 3807 [2024-11-16 07:40:46,806 INFO L226 Difference]: Without dead ends: 2465 [2024-11-16 07:40:46,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:40:46,809 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 1520 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:46,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 1098 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 07:40:46,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2024-11-16 07:40:46,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2258. [2024-11-16 07:40:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2258 states, 1876 states have (on average 1.556503198294243) internal successors, (2920), 1882 states have internal predecessors, (2920), 353 states have call successors, (353), 24 states have call predecessors, (353), 28 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2024-11-16 07:40:46,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 2258 states and 3657 transitions. [2024-11-16 07:40:46,876 INFO L78 Accepts]: Start accepts. Automaton has 2258 states and 3657 transitions. Word has length 169 [2024-11-16 07:40:46,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:46,877 INFO L471 AbstractCegarLoop]: Abstraction has 2258 states and 3657 transitions. [2024-11-16 07:40:46,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:40:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 3657 transitions. [2024-11-16 07:40:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 07:40:46,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:46,886 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:46,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 07:40:46,886 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:46,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:46,887 INFO L85 PathProgramCache]: Analyzing trace with hash -798035475, now seen corresponding path program 1 times [2024-11-16 07:40:46,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:46,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397951659] [2024-11-16 07:40:46,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:46,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:40:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:40:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:40:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:40:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:40:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:40:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:40:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:40:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:40:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:46,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:40:46,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:46,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397951659] [2024-11-16 07:40:46,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397951659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:46,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:46,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:40:46,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101879459] [2024-11-16 07:40:46,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:46,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:40:46,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:46,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:40:46,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:40:46,989 INFO L87 Difference]: Start difference. First operand 2258 states and 3657 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:48,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:48,566 INFO L93 Difference]: Finished difference Result 5627 states and 9245 transitions. [2024-11-16 07:40:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:40:48,566 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2024-11-16 07:40:48,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:48,581 INFO L225 Difference]: With dead ends: 5627 [2024-11-16 07:40:48,581 INFO L226 Difference]: Without dead ends: 3665 [2024-11-16 07:40:48,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:40:48,587 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1520 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 2265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:48,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 1089 Invalid, 2265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 07:40:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3665 states. [2024-11-16 07:40:48,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3665 to 3458. [2024-11-16 07:40:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3458 states, 2914 states have (on average 1.5562800274536719) internal successors, (4535), 2920 states have internal predecessors, (4535), 515 states have call successors, (515), 24 states have call predecessors, (515), 28 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2024-11-16 07:40:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 5612 transitions. [2024-11-16 07:40:48,721 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 5612 transitions. Word has length 151 [2024-11-16 07:40:48,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:48,722 INFO L471 AbstractCegarLoop]: Abstraction has 3458 states and 5612 transitions. [2024-11-16 07:40:48,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 5612 transitions. [2024-11-16 07:40:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-16 07:40:48,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:48,732 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:48,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 07:40:48,733 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:48,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:48,733 INFO L85 PathProgramCache]: Analyzing trace with hash 841299596, now seen corresponding path program 1 times [2024-11-16 07:40:48,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:48,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483130142] [2024-11-16 07:40:48,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:48,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:40:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:40:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:40:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:40:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:40:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:40:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:40:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:40:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:40:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:40:48,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:48,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483130142] [2024-11-16 07:40:48,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483130142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:48,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:48,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:40:48,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033601034] [2024-11-16 07:40:48,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:48,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:40:48,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:48,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:40:48,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:40:48,825 INFO L87 Difference]: Start difference. First operand 3458 states and 5612 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:50,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:50,430 INFO L93 Difference]: Finished difference Result 8529 states and 14048 transitions. [2024-11-16 07:40:50,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:40:50,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 152 [2024-11-16 07:40:50,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:50,456 INFO L225 Difference]: With dead ends: 8529 [2024-11-16 07:40:50,457 INFO L226 Difference]: Without dead ends: 5619 [2024-11-16 07:40:50,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:40:50,465 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1518 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:50,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 1088 Invalid, 2262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 07:40:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5619 states. [2024-11-16 07:40:50,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5619 to 5412. [2024-11-16 07:40:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5412 states, 4623 states have (on average 1.5554834523036989) internal successors, (7191), 4629 states have internal predecessors, (7191), 760 states have call successors, (760), 24 states have call predecessors, (760), 28 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2024-11-16 07:40:50,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5412 states to 5412 states and 8784 transitions. [2024-11-16 07:40:50,633 INFO L78 Accepts]: Start accepts. Automaton has 5412 states and 8784 transitions. Word has length 152 [2024-11-16 07:40:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:50,633 INFO L471 AbstractCegarLoop]: Abstraction has 5412 states and 8784 transitions. [2024-11-16 07:40:50,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 5412 states and 8784 transitions. [2024-11-16 07:40:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-16 07:40:50,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:50,649 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:50,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 07:40:50,649 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:50,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash -370995411, now seen corresponding path program 1 times [2024-11-16 07:40:50,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:50,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307424969] [2024-11-16 07:40:50,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:50,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:40:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:40:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:40:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:40:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:40:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:40:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:40:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:40:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:40:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:40:50,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:50,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307424969] [2024-11-16 07:40:50,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307424969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:50,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:50,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:40:50,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943553328] [2024-11-16 07:40:50,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:50,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:40:50,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:50,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:40:50,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:40:50,741 INFO L87 Difference]: Start difference. First operand 5412 states and 8784 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:52,312 INFO L93 Difference]: Finished difference Result 13402 states and 22097 transitions. [2024-11-16 07:40:52,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:40:52,313 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 153 [2024-11-16 07:40:52,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:52,353 INFO L225 Difference]: With dead ends: 13402 [2024-11-16 07:40:52,354 INFO L226 Difference]: Without dead ends: 8923 [2024-11-16 07:40:52,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:40:52,367 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 1514 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 1783 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 1783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:52,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 1146 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 1783 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 07:40:52,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8923 states. [2024-11-16 07:40:52,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8923 to 8716. [2024-11-16 07:40:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8716 states, 7434 states have (on average 1.5484261501210654) internal successors, (11511), 7440 states have internal predecessors, (11511), 1253 states have call successors, (1253), 24 states have call predecessors, (1253), 28 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2024-11-16 07:40:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8716 states to 8716 states and 14134 transitions. [2024-11-16 07:40:52,701 INFO L78 Accepts]: Start accepts. Automaton has 8716 states and 14134 transitions. Word has length 153 [2024-11-16 07:40:52,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:52,702 INFO L471 AbstractCegarLoop]: Abstraction has 8716 states and 14134 transitions. [2024-11-16 07:40:52,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 8716 states and 14134 transitions. [2024-11-16 07:40:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 07:40:52,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:52,722 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:52,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 07:40:52,722 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:52,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:52,723 INFO L85 PathProgramCache]: Analyzing trace with hash 205193817, now seen corresponding path program 1 times [2024-11-16 07:40:52,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:52,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986163188] [2024-11-16 07:40:52,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:52,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:40:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:40:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:40:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:40:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:40:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:40:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:40:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:40:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:40:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 07:40:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 07:40:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 07:40:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:52,814 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:40:52,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:52,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986163188] [2024-11-16 07:40:52,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986163188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:52,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:52,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:40:52,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303059837] [2024-11-16 07:40:52,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:52,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:40:52,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:52,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:40:52,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:40:52,816 INFO L87 Difference]: Start difference. First operand 8716 states and 14134 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:40:54,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:54,666 INFO L93 Difference]: Finished difference Result 22236 states and 36592 transitions. [2024-11-16 07:40:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:40:54,666 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 173 [2024-11-16 07:40:54,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:54,714 INFO L225 Difference]: With dead ends: 22236 [2024-11-16 07:40:54,715 INFO L226 Difference]: Without dead ends: 14933 [2024-11-16 07:40:54,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:40:54,734 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1509 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1527 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:54,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1527 Valid, 1091 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 07:40:54,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14933 states. [2024-11-16 07:40:55,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14933 to 14726. [2024-11-16 07:40:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14726 states, 12622 states have (on average 1.5457138329900175) internal successors, (19510), 12628 states have internal predecessors, (19510), 2075 states have call successors, (2075), 24 states have call predecessors, (2075), 28 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2024-11-16 07:40:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14726 states to 14726 states and 23855 transitions. [2024-11-16 07:40:55,187 INFO L78 Accepts]: Start accepts. Automaton has 14726 states and 23855 transitions. Word has length 173 [2024-11-16 07:40:55,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:55,188 INFO L471 AbstractCegarLoop]: Abstraction has 14726 states and 23855 transitions. [2024-11-16 07:40:55,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:40:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 14726 states and 23855 transitions. [2024-11-16 07:40:55,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-16 07:40:55,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:55,214 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:55,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 07:40:55,214 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:55,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:55,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1454058509, now seen corresponding path program 1 times [2024-11-16 07:40:55,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:55,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688645755] [2024-11-16 07:40:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:55,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:40:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:40:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:40:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:40:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:40:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:40:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:40:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:40:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:40:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:40:55,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:55,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688645755] [2024-11-16 07:40:55,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688645755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:55,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:55,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:40:55,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529078985] [2024-11-16 07:40:55,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:55,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:40:55,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:55,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:40:55,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:40:55,303 INFO L87 Difference]: Start difference. First operand 14726 states and 23855 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:57,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:40:57,182 INFO L93 Difference]: Finished difference Result 36012 states and 58585 transitions. [2024-11-16 07:40:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:40:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 155 [2024-11-16 07:40:57,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:40:57,253 INFO L225 Difference]: With dead ends: 36012 [2024-11-16 07:40:57,254 INFO L226 Difference]: Without dead ends: 23811 [2024-11-16 07:40:57,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:40:57,285 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1503 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:40:57,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 1067 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1771 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 07:40:57,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23811 states. [2024-11-16 07:40:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23811 to 23604. [2024-11-16 07:40:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23604 states, 20297 states have (on average 1.513573434497709) internal successors, (30721), 20303 states have internal predecessors, (30721), 3278 states have call successors, (3278), 24 states have call predecessors, (3278), 28 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2024-11-16 07:40:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23604 states to 23604 states and 37616 transitions. [2024-11-16 07:40:57,964 INFO L78 Accepts]: Start accepts. Automaton has 23604 states and 37616 transitions. Word has length 155 [2024-11-16 07:40:57,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:40:57,965 INFO L471 AbstractCegarLoop]: Abstraction has 23604 states and 37616 transitions. [2024-11-16 07:40:57,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:40:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 23604 states and 37616 transitions. [2024-11-16 07:40:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 07:40:57,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:40:57,987 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:40:57,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 07:40:57,987 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:40:57,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:40:57,988 INFO L85 PathProgramCache]: Analyzing trace with hash 174857625, now seen corresponding path program 1 times [2024-11-16 07:40:57,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:40:57,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347909346] [2024-11-16 07:40:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:40:57,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:40:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:40:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:40:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:40:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:40:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:40:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:40:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:40:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:40:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:40:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:40:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:40:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:40:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:40:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:40:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:40:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 07:40:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 07:40:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 07:40:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:40:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:40:58,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:40:58,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347909346] [2024-11-16 07:40:58,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347909346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:40:58,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:40:58,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:40:58,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143416747] [2024-11-16 07:40:58,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:40:58,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:40:58,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:40:58,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:40:58,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:40:58,077 INFO L87 Difference]: Start difference. First operand 23604 states and 37616 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:41:00,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:41:00,828 INFO L93 Difference]: Finished difference Result 62876 states and 101541 transitions. [2024-11-16 07:41:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:41:00,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2024-11-16 07:41:00,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:41:00,966 INFO L225 Difference]: With dead ends: 62876 [2024-11-16 07:41:00,966 INFO L226 Difference]: Without dead ends: 42617 [2024-11-16 07:41:01,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:41:01,009 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1500 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:41:01,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 1091 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 07:41:01,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42617 states. [2024-11-16 07:41:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42617 to 42410. [2024-11-16 07:41:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42410 states, 36653 states have (on average 1.508280359042916) internal successors, (55283), 36659 states have internal predecessors, (55283), 5728 states have call successors, (5728), 24 states have call predecessors, (5728), 28 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2024-11-16 07:41:02,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42410 states to 42410 states and 67352 transitions. [2024-11-16 07:41:02,784 INFO L78 Accepts]: Start accepts. Automaton has 42410 states and 67352 transitions. Word has length 175 [2024-11-16 07:41:02,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:41:02,784 INFO L471 AbstractCegarLoop]: Abstraction has 42410 states and 67352 transitions. [2024-11-16 07:41:02,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:41:02,785 INFO L276 IsEmpty]: Start isEmpty. Operand 42410 states and 67352 transitions. [2024-11-16 07:41:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 07:41:02,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:41:02,818 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:41:02,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 07:41:02,818 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:41:02,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:41:02,818 INFO L85 PathProgramCache]: Analyzing trace with hash 831616205, now seen corresponding path program 1 times [2024-11-16 07:41:02,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:41:02,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527464921] [2024-11-16 07:41:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:41:02,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:41:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:41:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:41:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:41:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:41:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:41:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:41:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:41:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 07:41:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:41:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:41:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:41:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:41:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:41:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:41:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:41:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:41:02,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:41:02,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527464921] [2024-11-16 07:41:02,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527464921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:41:02,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:41:02,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:41:02,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507589557] [2024-11-16 07:41:02,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:41:02,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:41:02,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:41:02,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:41:02,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:41:02,938 INFO L87 Difference]: Start difference. First operand 42410 states and 67352 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:41:06,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:41:06,066 INFO L93 Difference]: Finished difference Result 116385 states and 186762 transitions. [2024-11-16 07:41:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:41:06,066 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 157 [2024-11-16 07:41:06,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:41:06,344 INFO L225 Difference]: With dead ends: 116385 [2024-11-16 07:41:06,345 INFO L226 Difference]: Without dead ends: 78459 [2024-11-16 07:41:06,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:41:06,414 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 1497 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:41:06,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1098 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 07:41:06,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78459 states. [2024-11-16 07:41:08,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78459 to 78252. [2024-11-16 07:41:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78252 states, 67982 states have (on average 1.502471242387691) internal successors, (102141), 67988 states have internal predecessors, (102141), 10241 states have call successors, (10241), 24 states have call predecessors, (10241), 28 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2024-11-16 07:41:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78252 states to 78252 states and 123768 transitions. [2024-11-16 07:41:09,121 INFO L78 Accepts]: Start accepts. Automaton has 78252 states and 123768 transitions. Word has length 157 [2024-11-16 07:41:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:41:09,121 INFO L471 AbstractCegarLoop]: Abstraction has 78252 states and 123768 transitions. [2024-11-16 07:41:09,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:41:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 78252 states and 123768 transitions. [2024-11-16 07:41:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-16 07:41:09,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:41:09,154 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:41:09,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 07:41:09,154 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:41:09,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:41:09,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1245893228, now seen corresponding path program 1 times [2024-11-16 07:41:09,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:41:09,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145552883] [2024-11-16 07:41:09,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:41:09,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:41:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:41:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:41:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:41:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:41:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:41:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:41:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:41:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:41:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:41:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:41:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:41:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:41:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:41:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:41:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:41:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:41:09,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:41:09,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145552883] [2024-11-16 07:41:09,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145552883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:41:09,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:41:09,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:41:09,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329352526] [2024-11-16 07:41:09,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:41:09,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:41:09,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:41:09,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:41:09,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:41:09,239 INFO L87 Difference]: Start difference. First operand 78252 states and 123768 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:41:13,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:41:13,484 INFO L93 Difference]: Finished difference Result 147658 states and 236807 transitions. [2024-11-16 07:41:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:41:13,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 158 [2024-11-16 07:41:13,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:41:14,057 INFO L225 Difference]: With dead ends: 147658 [2024-11-16 07:41:14,057 INFO L226 Difference]: Without dead ends: 147450 [2024-11-16 07:41:14,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:41:14,123 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 1497 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:41:14,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1127 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 07:41:14,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147450 states. [2024-11-16 07:41:18,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147450 to 147243. [2024-11-16 07:41:18,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147243 states, 128605 states have (on average 1.4960227051825357) internal successors, (192396), 128611 states have internal predecessors, (192396), 18609 states have call successors, (18609), 24 states have call predecessors, (18609), 28 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2024-11-16 07:41:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147243 states to 147243 states and 231805 transitions. [2024-11-16 07:41:18,858 INFO L78 Accepts]: Start accepts. Automaton has 147243 states and 231805 transitions. Word has length 158 [2024-11-16 07:41:18,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:41:18,859 INFO L471 AbstractCegarLoop]: Abstraction has 147243 states and 231805 transitions. [2024-11-16 07:41:18,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:41:18,859 INFO L276 IsEmpty]: Start isEmpty. Operand 147243 states and 231805 transitions. [2024-11-16 07:41:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 07:41:18,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:41:18,897 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:41:18,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 07:41:18,898 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:41:18,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:41:18,898 INFO L85 PathProgramCache]: Analyzing trace with hash 625689528, now seen corresponding path program 1 times [2024-11-16 07:41:18,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:41:18,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236563717] [2024-11-16 07:41:18,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:41:18,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:41:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:41:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:41:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:41:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:41:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:41:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:41:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:41:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:41:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:41:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:41:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:41:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:41:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:41:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:41:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:41:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 07:41:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 07:41:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 07:41:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:41:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:41:19,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:41:19,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236563717] [2024-11-16 07:41:19,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236563717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:41:19,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:41:19,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:41:19,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129718255] [2024-11-16 07:41:19,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:41:19,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:41:19,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:41:19,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:41:19,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:41:19,066 INFO L87 Difference]: Start difference. First operand 147243 states and 231805 transitions. Second operand has 10 states, 10 states have (on average 12.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:41:27,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:41:27,645 INFO L93 Difference]: Finished difference Result 283227 states and 453896 transitions. [2024-11-16 07:41:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 07:41:27,645 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 178 [2024-11-16 07:41:27,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:41:28,786 INFO L225 Difference]: With dead ends: 283227 [2024-11-16 07:41:28,787 INFO L226 Difference]: Without dead ends: 283027 [2024-11-16 07:41:28,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-16 07:41:28,882 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 3118 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 3902 mSolverCounterSat, 993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 4895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 3902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-16 07:41:28,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 1877 Invalid, 4895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 3902 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-16 07:41:29,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283027 states.