./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_spec4_product32.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:34:22,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:34:22,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:34:22,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:34:22,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:34:22,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:34:22,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:34:22,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:34:22,188 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:34:22,188 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:34:22,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:34:22,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:34:22,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:34:22,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:34:22,189 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:34:22,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:34:22,190 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:34:22,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:34:22,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:34:22,191 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b [2025-03-08 05:34:22,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:34:22,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:34:22,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:34:22,460 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:34:22,460 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:34:22,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c [2025-03-08 05:34:23,635 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a728f639/5e1b7f679fe04ac9bc1cf74aba3bae19/FLAG63b64daf8 [2025-03-08 05:34:23,939 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:34:23,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c [2025-03-08 05:34:23,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a728f639/5e1b7f679fe04ac9bc1cf74aba3bae19/FLAG63b64daf8 [2025-03-08 05:34:24,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a728f639/5e1b7f679fe04ac9bc1cf74aba3bae19 [2025-03-08 05:34:24,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:34:24,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:34:24,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:34:24,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:34:24,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:34:24,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b94d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24, skipping insertion in model container [2025-03-08 05:34:24,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:34:24,545 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_spec4_product32.cil.c[32699,32712] [2025-03-08 05:34:24,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:34:24,709 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:34:24,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2025-03-08 05:34:24,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [97] [2025-03-08 05:34:24,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1177] [2025-03-08 05:34:24,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1484] [2025-03-08 05:34:24,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1493] [2025-03-08 05:34:24,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] [2025-03-08 05:34:24,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2046] [2025-03-08 05:34:24,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2073] [2025-03-08 05:34:24,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2090] [2025-03-08 05:34:24,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2456] [2025-03-08 05:34:24,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2675] [2025-03-08 05:34:24,754 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_spec4_product32.cil.c[32699,32712] [2025-03-08 05:34:24,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:34:24,836 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:34:24,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24 WrapperNode [2025-03-08 05:34:24,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:34:24,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:34:24,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:34:24,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:34:24,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,899 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 982 [2025-03-08 05:34:24,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:34:24,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:34:24,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:34:24,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:34:24,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,949 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]. [2025-03-08 05:34:24,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:34:24,986 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:34:24,986 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:34:24,986 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:34:24,987 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (1/1) ... [2025-03-08 05:34:24,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:34:25,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:34:25,015 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) [2025-03-08 05:34:25,019 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 [2025-03-08 05:34:25,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2025-03-08 05:34:25,041 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2025-03-08 05:34:25,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-08 05:34:25,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-08 05:34:25,042 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-08 05:34:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-08 05:34:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-08 05:34:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-08 05:34:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-08 05:34:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:34:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:34:25,227 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:34:25,229 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:34:25,317 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2979: #res := ~retValue_acc~41; [2025-03-08 05:34:25,336 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: #res := ~retValue_acc~28; [2025-03-08 05:34:25,374 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L766-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~12#1; [2025-03-08 05:34:25,374 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L811: #res#1 := ~retValue_acc~13#1; [2025-03-08 05:34:25,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1035: #res := ~retValue_acc~16; [2025-03-08 05:34:25,425 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L719: #res := ~retValue_acc~11; [2025-03-08 05:34:25,438 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1638-1: createEmail_#res#1 := createEmail_~retValue_acc~23#1; [2025-03-08 05:34:25,451 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: #res := ~retValue_acc~5; [2025-03-08 05:34:25,461 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2905: #res := ~retValue_acc~39; [2025-03-08 05:34:25,488 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2942: #res := ~retValue_acc~40; [2025-03-08 05:34:25,493 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3016: #res := ~retValue_acc~42; [2025-03-08 05:34:25,518 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2790: #res := ~retValue_acc~36; [2025-03-08 05:34:25,556 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L589: #res := ~retValue_acc~9; [2025-03-08 05:34:25,646 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L672-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~10#1; [2025-03-08 05:34:25,647 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1154-1: getClientId_#res#1 := getClientId_~retValue_acc~18#1; [2025-03-08 05:34:25,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~15#1; [2025-03-08 05:34:25,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1908-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~26#1; [2025-03-08 05:34:25,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L94-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-03-08 05:34:25,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~14#1; [2025-03-08 05:34:25,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1899-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~25#1; [2025-03-08 05:34:25,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1917-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~27#1; [2025-03-08 05:34:25,874 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2753: #res := ~retValue_acc~35; [2025-03-08 05:34:25,882 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1614: #res#1 := ~retValue_acc~21#1; [2025-03-08 05:34:25,882 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1594-1: isReadable__wrappee__Keys_#res#1 := isReadable__wrappee__Keys_~retValue_acc~20#1; [2025-03-08 05:34:26,020 INFO L? ?]: Removed 537 outVars from TransFormulas that were not future-live. [2025-03-08 05:34:26,021 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:34:26,037 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:34:26,037 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:34:26,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:34:26 BoogieIcfgContainer [2025-03-08 05:34:26,037 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:34:26,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:34:26,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:34:26,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:34:26,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:34:24" (1/3) ... [2025-03-08 05:34:26,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381b3f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:34:26, skipping insertion in model container [2025-03-08 05:34:26,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:34:24" (2/3) ... [2025-03-08 05:34:26,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381b3f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:34:26, skipping insertion in model container [2025-03-08 05:34:26,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:34:26" (3/3) ... [2025-03-08 05:34:26,046 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec4_product32.cil.c [2025-03-08 05:34:26,058 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:34:26,060 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec4_product32.cil.c that has 29 procedures, 423 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 05:34:26,120 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:34:26,130 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;@4c51f7dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:34:26,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:34:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 423 states, 328 states have (on average 1.5518292682926829) internal successors, (509), 333 states have internal predecessors, (509), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2025-03-08 05:34:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-08 05:34:26,156 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:26,156 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:26,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:26,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:26,160 INFO L85 PathProgramCache]: Analyzing trace with hash -383644105, now seen corresponding path program 1 times [2025-03-08 05:34:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:26,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012321782] [2025-03-08 05:34:26,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:26,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-08 05:34:26,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-08 05:34:26,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:26,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-03-08 05:34:26,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:26,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012321782] [2025-03-08 05:34:26,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012321782] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:34:26,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916965828] [2025-03-08 05:34:26,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:26,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:34:26,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:34:26,770 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) [2025-03-08 05:34:26,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 05:34:26,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-08 05:34:27,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-08 05:34:27,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:27,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:27,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 05:34:27,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:34:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-03-08 05:34:27,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:34:27,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916965828] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:27,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:34:27,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:34:27,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564604345] [2025-03-08 05:34:27,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:27,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:27,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:27,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:27,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:34:27,134 INFO L87 Difference]: Start difference. First operand has 423 states, 328 states have (on average 1.5518292682926829) internal successors, (509), 333 states have internal predecessors, (509), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2025-03-08 05:34:27,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:27,205 INFO L93 Difference]: Finished difference Result 656 states and 974 transitions. [2025-03-08 05:34:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:27,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 116 [2025-03-08 05:34:27,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:27,222 INFO L225 Difference]: With dead ends: 656 [2025-03-08 05:34:27,222 INFO L226 Difference]: Without dead ends: 417 [2025-03-08 05:34:27,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:34:27,231 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 0 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:34:27,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1267 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:27,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-03-08 05:34:27,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2025-03-08 05:34:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 323 states have (on average 1.5479876160990713) internal successors, (500), 327 states have internal predecessors, (500), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2025-03-08 05:34:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 629 transitions. [2025-03-08 05:34:27,293 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 629 transitions. Word has length 116 [2025-03-08 05:34:27,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:27,294 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 629 transitions. [2025-03-08 05:34:27,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2025-03-08 05:34:27,295 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 629 transitions. [2025-03-08 05:34:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-08 05:34:27,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:27,303 INFO L218 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] [2025-03-08 05:34:27,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 05:34:27,504 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 [2025-03-08 05:34:27,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:27,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:27,506 INFO L85 PathProgramCache]: Analyzing trace with hash 860723910, now seen corresponding path program 1 times [2025-03-08 05:34:27,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:27,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826035387] [2025-03-08 05:34:27,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:27,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:27,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 05:34:27,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 05:34:27,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:27,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-08 05:34:27,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:27,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826035387] [2025-03-08 05:34:27,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826035387] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:34:27,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107142705] [2025-03-08 05:34:27,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:27,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:34:27,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:34:27,784 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) [2025-03-08 05:34:27,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 05:34:27,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 05:34:28,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 05:34:28,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:28,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:28,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:34:28,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:34:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-08 05:34:28,095 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:34:28,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107142705] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:28,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:34:28,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:34:28,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253482704] [2025-03-08 05:34:28,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:28,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:28,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:28,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:28,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:34:28,098 INFO L87 Difference]: Start difference. First operand 417 states and 629 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (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) [2025-03-08 05:34:28,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:28,141 INFO L93 Difference]: Finished difference Result 881 states and 1349 transitions. [2025-03-08 05:34:28,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:28,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (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 142 [2025-03-08 05:34:28,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:28,146 INFO L225 Difference]: With dead ends: 881 [2025-03-08 05:34:28,146 INFO L226 Difference]: Without dead ends: 490 [2025-03-08 05:34:28,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:34:28,148 INFO L435 NwaCegarLoop]: 652 mSDtfsCounter, 134 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1235 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 [2025-03-08 05:34:28,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1235 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:28,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2025-03-08 05:34:28,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 482. [2025-03-08 05:34:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 374 states have (on average 1.5695187165775402) internal successors, (587), 378 states have internal predecessors, (587), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-03-08 05:34:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 744 transitions. [2025-03-08 05:34:28,184 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 744 transitions. Word has length 142 [2025-03-08 05:34:28,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:28,184 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 744 transitions. [2025-03-08 05:34:28,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (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) [2025-03-08 05:34:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 744 transitions. [2025-03-08 05:34:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-08 05:34:28,187 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:28,187 INFO L218 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] [2025-03-08 05:34:28,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 05:34:28,391 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 [2025-03-08 05:34:28,391 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:28,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:28,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1254404353, now seen corresponding path program 1 times [2025-03-08 05:34:28,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:28,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616693827] [2025-03-08 05:34:28,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:28,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:28,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-08 05:34:28,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-08 05:34:28,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:28,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-08 05:34:28,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:28,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616693827] [2025-03-08 05:34:28,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616693827] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:34:28,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334856957] [2025-03-08 05:34:28,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:28,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:34:28,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:34:28,585 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) [2025-03-08 05:34:28,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 05:34:28,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-08 05:34:28,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-08 05:34:28,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:28,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:28,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-08 05:34:28,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:34:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-08 05:34:28,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:34:28,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334856957] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:28,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:34:28,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-08 05:34:28,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706946556] [2025-03-08 05:34:28,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:28,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:34:28,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:28,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:34:28,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:34:28,929 INFO L87 Difference]: Start difference. First operand 482 states and 744 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (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) [2025-03-08 05:34:28,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:28,991 INFO L93 Difference]: Finished difference Result 955 states and 1478 transitions. [2025-03-08 05:34:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:34:28,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (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 143 [2025-03-08 05:34:28,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:28,997 INFO L225 Difference]: With dead ends: 955 [2025-03-08 05:34:28,997 INFO L226 Difference]: Without dead ends: 484 [2025-03-08 05:34:28,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:34:28,999 INFO L435 NwaCegarLoop]: 620 mSDtfsCounter, 2 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2469 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 [2025-03-08 05:34:28,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2469 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:29,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-08 05:34:29,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2025-03-08 05:34:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 375 states have (on average 1.568) internal successors, (588), 380 states have internal predecessors, (588), 79 states have call successors, (79), 28 states have call predecessors, (79), 29 states have return successors, (80), 77 states have call predecessors, (80), 78 states have call successors, (80) [2025-03-08 05:34:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 747 transitions. [2025-03-08 05:34:29,032 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 747 transitions. Word has length 143 [2025-03-08 05:34:29,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:29,032 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 747 transitions. [2025-03-08 05:34:29,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (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) [2025-03-08 05:34:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 747 transitions. [2025-03-08 05:34:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-08 05:34:29,034 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:29,034 INFO L218 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] [2025-03-08 05:34:29,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 05:34:29,239 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 [2025-03-08 05:34:29,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:29,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:29,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1949116992, now seen corresponding path program 1 times [2025-03-08 05:34:29,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:29,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837341971] [2025-03-08 05:34:29,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:29,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:29,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-08 05:34:29,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-08 05:34:29,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:29,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-08 05:34:29,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:29,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837341971] [2025-03-08 05:34:29,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837341971] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:34:29,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976928230] [2025-03-08 05:34:29,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:29,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:34:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:34:29,392 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) [2025-03-08 05:34:29,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 05:34:29,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-08 05:34:29,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-08 05:34:29,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:29,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:29,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 05:34:29,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:34:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-08 05:34:29,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:34:29,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976928230] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:29,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:34:29,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-08 05:34:29,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949885682] [2025-03-08 05:34:29,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:29,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:34:29,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:29,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:34:29,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:34:29,666 INFO L87 Difference]: Start difference. First operand 484 states and 747 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2025-03-08 05:34:29,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:29,718 INFO L93 Difference]: Finished difference Result 957 states and 1483 transitions. [2025-03-08 05:34:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:34:29,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 125 [2025-03-08 05:34:29,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:29,721 INFO L225 Difference]: With dead ends: 957 [2025-03-08 05:34:29,721 INFO L226 Difference]: Without dead ends: 486 [2025-03-08 05:34:29,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:34:29,724 INFO L435 NwaCegarLoop]: 618 mSDtfsCounter, 2 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2455 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 [2025-03-08 05:34:29,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2455 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:29,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-03-08 05:34:29,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2025-03-08 05:34:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 376 states have (on average 1.5664893617021276) internal successors, (589), 382 states have internal predecessors, (589), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2025-03-08 05:34:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 753 transitions. [2025-03-08 05:34:29,740 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 753 transitions. Word has length 125 [2025-03-08 05:34:29,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:29,740 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 753 transitions. [2025-03-08 05:34:29,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2025-03-08 05:34:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 753 transitions. [2025-03-08 05:34:29,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 05:34:29,744 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:29,744 INFO L218 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] [2025-03-08 05:34:29,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-08 05:34:29,945 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 [2025-03-08 05:34:29,945 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:29,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:29,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1904551009, now seen corresponding path program 1 times [2025-03-08 05:34:29,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:29,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432552838] [2025-03-08 05:34:29,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:29,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:29,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 05:34:29,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 05:34:29,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:29,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-08 05:34:30,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:30,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432552838] [2025-03-08 05:34:30,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432552838] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:30,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:30,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:34:30,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037240647] [2025-03-08 05:34:30,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:30,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:34:30,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:30,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:34:30,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:34:30,100 INFO L87 Difference]: Start difference. First operand 486 states and 753 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-03-08 05:34:30,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:30,143 INFO L93 Difference]: Finished difference Result 949 states and 1474 transitions. [2025-03-08 05:34:30,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:34:30,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 145 [2025-03-08 05:34:30,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:30,146 INFO L225 Difference]: With dead ends: 949 [2025-03-08 05:34:30,146 INFO L226 Difference]: Without dead ends: 486 [2025-03-08 05:34:30,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:34:30,151 INFO L435 NwaCegarLoop]: 621 mSDtfsCounter, 2 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:34:30,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2473 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:30,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-03-08 05:34:30,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2025-03-08 05:34:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 376 states have (on average 1.5664893617021276) internal successors, (589), 382 states have internal predecessors, (589), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (84), 77 states have call predecessors, (84), 78 states have call successors, (84) [2025-03-08 05:34:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 752 transitions. [2025-03-08 05:34:30,173 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 752 transitions. Word has length 145 [2025-03-08 05:34:30,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:30,174 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 752 transitions. [2025-03-08 05:34:30,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-03-08 05:34:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 752 transitions. [2025-03-08 05:34:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 05:34:30,176 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:30,176 INFO L218 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] [2025-03-08 05:34:30,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 05:34:30,177 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:30,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:30,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1219396461, now seen corresponding path program 2 times [2025-03-08 05:34:30,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:30,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888807787] [2025-03-08 05:34:30,178 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:34:30,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:30,198 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 146 statements into 2 equivalence classes. [2025-03-08 05:34:30,202 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 45 of 146 statements. [2025-03-08 05:34:30,203 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 05:34:30,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:30,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:30,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888807787] [2025-03-08 05:34:30,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888807787] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:30,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:30,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:34:30,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893829279] [2025-03-08 05:34:30,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:30,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:34:30,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:30,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:34:30,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:34:30,323 INFO L87 Difference]: Start difference. First operand 486 states and 752 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:30,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:30,689 INFO L93 Difference]: Finished difference Result 982 states and 1529 transitions. [2025-03-08 05:34:30,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 05:34:30,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2025-03-08 05:34:30,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:30,697 INFO L225 Difference]: With dead ends: 982 [2025-03-08 05:34:30,697 INFO L226 Difference]: Without dead ends: 978 [2025-03-08 05:34:30,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-03-08 05:34:30,698 INFO L435 NwaCegarLoop]: 642 mSDtfsCounter, 580 mSDsluCounter, 3655 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 4297 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 05:34:30,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 4297 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 05:34:30,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2025-03-08 05:34:30,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 967. [2025-03-08 05:34:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 967 states, 750 states have (on average 1.5706666666666667) internal successors, (1178), 759 states have internal predecessors, (1178), 156 states have call successors, (156), 57 states have call predecessors, (156), 60 states have return successors, (171), 154 states have call predecessors, (171), 154 states have call successors, (171) [2025-03-08 05:34:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1505 transitions. [2025-03-08 05:34:30,748 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1505 transitions. Word has length 146 [2025-03-08 05:34:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:30,749 INFO L471 AbstractCegarLoop]: Abstraction has 967 states and 1505 transitions. [2025-03-08 05:34:30,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1505 transitions. [2025-03-08 05:34:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-08 05:34:30,753 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:30,753 INFO L218 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] [2025-03-08 05:34:30,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 05:34:30,753 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:30,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:30,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1121832656, now seen corresponding path program 1 times [2025-03-08 05:34:30,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:30,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248557871] [2025-03-08 05:34:30,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:30,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:30,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-08 05:34:30,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-08 05:34:30,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:30,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:30,920 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-08 05:34:30,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:30,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248557871] [2025-03-08 05:34:30,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248557871] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:30,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:30,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:34:30,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615758127] [2025-03-08 05:34:30,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:30,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:34:30,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:30,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:34:30,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:34:30,922 INFO L87 Difference]: Start difference. First operand 967 states and 1505 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-08 05:34:30,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:30,978 INFO L93 Difference]: Finished difference Result 1903 states and 2970 transitions. [2025-03-08 05:34:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:34:30,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 128 [2025-03-08 05:34:30,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:30,986 INFO L225 Difference]: With dead ends: 1903 [2025-03-08 05:34:30,986 INFO L226 Difference]: Without dead ends: 971 [2025-03-08 05:34:30,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:34:30,990 INFO L435 NwaCegarLoop]: 622 mSDtfsCounter, 1 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2476 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 [2025-03-08 05:34:30,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2476 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:30,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2025-03-08 05:34:31,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2025-03-08 05:34:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 752 states have (on average 1.5691489361702127) internal successors, (1180), 763 states have internal predecessors, (1180), 156 states have call successors, (156), 57 states have call predecessors, (156), 62 states have return successors, (174), 154 states have call predecessors, (174), 154 states have call successors, (174) [2025-03-08 05:34:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1510 transitions. [2025-03-08 05:34:31,039 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1510 transitions. Word has length 128 [2025-03-08 05:34:31,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:31,040 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1510 transitions. [2025-03-08 05:34:31,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-08 05:34:31,040 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1510 transitions. [2025-03-08 05:34:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-03-08 05:34:31,044 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:31,044 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:31,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 05:34:31,045 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:31,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1252936878, now seen corresponding path program 1 times [2025-03-08 05:34:31,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:31,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762598523] [2025-03-08 05:34:31,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:31,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:31,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-08 05:34:31,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-08 05:34:31,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:31,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-08 05:34:31,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:31,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762598523] [2025-03-08 05:34:31,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762598523] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:31,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:31,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:34:31,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205780722] [2025-03-08 05:34:31,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:31,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:34:31,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:31,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:34:31,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:34:31,233 INFO L87 Difference]: Start difference. First operand 971 states and 1510 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2025-03-08 05:34:31,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:31,364 INFO L93 Difference]: Finished difference Result 1902 states and 2963 transitions. [2025-03-08 05:34:31,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 05:34:31,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 2 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 148 [2025-03-08 05:34:31,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:31,372 INFO L225 Difference]: With dead ends: 1902 [2025-03-08 05:34:31,372 INFO L226 Difference]: Without dead ends: 975 [2025-03-08 05:34:31,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-08 05:34:31,376 INFO L435 NwaCegarLoop]: 612 mSDtfsCounter, 7 mSDsluCounter, 3643 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4255 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:34:31,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4255 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:34:31,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2025-03-08 05:34:31,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 973. [2025-03-08 05:34:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 973 states, 754 states have (on average 1.5676392572944298) internal successors, (1182), 764 states have internal predecessors, (1182), 156 states have call successors, (156), 58 states have call predecessors, (156), 62 states have return successors, (172), 154 states have call predecessors, (172), 154 states have call successors, (172) [2025-03-08 05:34:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1510 transitions. [2025-03-08 05:34:31,421 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1510 transitions. Word has length 148 [2025-03-08 05:34:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:31,421 INFO L471 AbstractCegarLoop]: Abstraction has 973 states and 1510 transitions. [2025-03-08 05:34:31,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2025-03-08 05:34:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1510 transitions. [2025-03-08 05:34:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-08 05:34:31,425 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:31,425 INFO L218 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] [2025-03-08 05:34:31,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 05:34:31,426 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:31,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:31,426 INFO L85 PathProgramCache]: Analyzing trace with hash -146839281, now seen corresponding path program 1 times [2025-03-08 05:34:31,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:31,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659253298] [2025-03-08 05:34:31,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:31,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:31,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-08 05:34:31,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-08 05:34:31,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:31,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-08 05:34:31,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:31,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659253298] [2025-03-08 05:34:31,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659253298] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:31,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:31,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:34:31,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759153925] [2025-03-08 05:34:31,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:31,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:34:31,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:31,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:34:31,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:34:31,560 INFO L87 Difference]: Start difference. First operand 973 states and 1510 transitions. Second operand has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2025-03-08 05:34:31,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:31,711 INFO L93 Difference]: Finished difference Result 1915 states and 2982 transitions. [2025-03-08 05:34:31,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 05:34:31,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 130 [2025-03-08 05:34:31,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:31,720 INFO L225 Difference]: With dead ends: 1915 [2025-03-08 05:34:31,720 INFO L226 Difference]: Without dead ends: 983 [2025-03-08 05:34:31,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-08 05:34:31,723 INFO L435 NwaCegarLoop]: 614 mSDtfsCounter, 5 mSDsluCounter, 3655 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4269 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:34:31,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4269 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:34:31,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2025-03-08 05:34:31,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 981. [2025-03-08 05:34:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 760 states have (on average 1.563157894736842) internal successors, (1188), 771 states have internal predecessors, (1188), 156 states have call successors, (156), 59 states have call predecessors, (156), 64 states have return successors, (179), 154 states have call predecessors, (179), 154 states have call successors, (179) [2025-03-08 05:34:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1523 transitions. [2025-03-08 05:34:31,763 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1523 transitions. Word has length 130 [2025-03-08 05:34:31,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:31,763 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1523 transitions. [2025-03-08 05:34:31,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2025-03-08 05:34:31,763 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1523 transitions. [2025-03-08 05:34:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-08 05:34:31,766 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:31,766 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 05:34:31,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 05:34:31,767 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:31,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:31,767 INFO L85 PathProgramCache]: Analyzing trace with hash 868565832, now seen corresponding path program 1 times [2025-03-08 05:34:31,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:31,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495619442] [2025-03-08 05:34:31,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:31,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-08 05:34:31,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-08 05:34:31,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:31,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-08 05:34:31,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:31,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495619442] [2025-03-08 05:34:31,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495619442] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:34:31,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916798679] [2025-03-08 05:34:31,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:31,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:34:31,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:34:31,920 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) [2025-03-08 05:34:31,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 05:34:32,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-08 05:34:32,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-08 05:34:32,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:32,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:32,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:34:32,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:34:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:32,220 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 05:34:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:32,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916798679] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 05:34:32,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 05:34:32,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2025-03-08 05:34:32,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521195209] [2025-03-08 05:34:32,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 05:34:32,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 05:34:32,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:32,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 05:34:32,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:34:32,316 INFO L87 Difference]: Start difference. First operand 981 states and 1523 transitions. Second operand has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-08 05:34:32,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:32,956 INFO L93 Difference]: Finished difference Result 2773 states and 4508 transitions. [2025-03-08 05:34:32,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-08 05:34:32,957 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 131 [2025-03-08 05:34:32,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:32,967 INFO L225 Difference]: With dead ends: 2773 [2025-03-08 05:34:32,968 INFO L226 Difference]: Without dead ends: 1845 [2025-03-08 05:34:32,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2025-03-08 05:34:32,972 INFO L435 NwaCegarLoop]: 612 mSDtfsCounter, 1428 mSDsluCounter, 3804 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 4416 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 05:34:32,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 4416 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 05:34:32,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2025-03-08 05:34:33,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1797. [2025-03-08 05:34:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1418 states have (on average 1.622002820874471) internal successors, (2300), 1428 states have internal predecessors, (2300), 314 states have call successors, (314), 60 states have call predecessors, (314), 64 states have return successors, (362), 312 states have call predecessors, (362), 312 states have call successors, (362) [2025-03-08 05:34:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2976 transitions. [2025-03-08 05:34:33,061 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2976 transitions. Word has length 131 [2025-03-08 05:34:33,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:33,061 INFO L471 AbstractCegarLoop]: Abstraction has 1797 states and 2976 transitions. [2025-03-08 05:34:33,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-08 05:34:33,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2976 transitions. [2025-03-08 05:34:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-08 05:34:33,070 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:33,070 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:33,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-08 05:34:33,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-08 05:34:33,274 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:33,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:33,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1203068414, now seen corresponding path program 1 times [2025-03-08 05:34:33,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:33,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438845081] [2025-03-08 05:34:33,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:33,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:33,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-08 05:34:33,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-08 05:34:33,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:33,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:33,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:33,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438845081] [2025-03-08 05:34:33,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438845081] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:33,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:33,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:33,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973747557] [2025-03-08 05:34:33,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:33,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:33,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:33,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:33,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:33,338 INFO L87 Difference]: Start difference. First operand 1797 states and 2976 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:33,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:33,421 INFO L93 Difference]: Finished difference Result 4221 states and 7116 transitions. [2025-03-08 05:34:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:33,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2025-03-08 05:34:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:33,435 INFO L225 Difference]: With dead ends: 4221 [2025-03-08 05:34:33,435 INFO L226 Difference]: Without dead ends: 2569 [2025-03-08 05:34:33,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:33,442 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 131 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1256 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 [2025-03-08 05:34:33,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1256 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:33,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2025-03-08 05:34:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2553. [2025-03-08 05:34:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2553 states, 2016 states have (on average 1.6448412698412698) internal successors, (3316), 2026 states have internal predecessors, (3316), 472 states have call successors, (472), 60 states have call predecessors, (472), 64 states have return successors, (545), 470 states have call predecessors, (545), 470 states have call successors, (545) [2025-03-08 05:34:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 4333 transitions. [2025-03-08 05:34:33,553 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 4333 transitions. Word has length 135 [2025-03-08 05:34:33,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:33,554 INFO L471 AbstractCegarLoop]: Abstraction has 2553 states and 4333 transitions. [2025-03-08 05:34:33,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 4333 transitions. [2025-03-08 05:34:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-08 05:34:33,566 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:33,567 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:33,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 05:34:33,567 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:33,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:33,567 INFO L85 PathProgramCache]: Analyzing trace with hash -204113003, now seen corresponding path program 1 times [2025-03-08 05:34:33,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:33,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414577717] [2025-03-08 05:34:33,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:33,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:33,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-08 05:34:33,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-08 05:34:33,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:33,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-08 05:34:33,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:33,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414577717] [2025-03-08 05:34:33,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414577717] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:33,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:33,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:33,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500649664] [2025-03-08 05:34:33,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:33,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:33,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:33,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:33,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:33,622 INFO L87 Difference]: Start difference. First operand 2553 states and 4333 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:33,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:33,756 INFO L93 Difference]: Finished difference Result 6113 states and 10471 transitions. [2025-03-08 05:34:33,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:33,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2025-03-08 05:34:33,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:33,779 INFO L225 Difference]: With dead ends: 6113 [2025-03-08 05:34:33,780 INFO L226 Difference]: Without dead ends: 3803 [2025-03-08 05:34:33,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:33,788 INFO L435 NwaCegarLoop]: 628 mSDtfsCounter, 129 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1248 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 [2025-03-08 05:34:33,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1248 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:33,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2025-03-08 05:34:33,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3787. [2025-03-08 05:34:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 3012 states have (on average 1.657370517928287) internal successors, (4992), 3022 states have internal predecessors, (4992), 710 states have call successors, (710), 60 states have call predecessors, (710), 64 states have return successors, (799), 708 states have call predecessors, (799), 708 states have call successors, (799) [2025-03-08 05:34:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 6501 transitions. [2025-03-08 05:34:33,957 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 6501 transitions. Word has length 155 [2025-03-08 05:34:33,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:33,957 INFO L471 AbstractCegarLoop]: Abstraction has 3787 states and 6501 transitions. [2025-03-08 05:34:33,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 6501 transitions. [2025-03-08 05:34:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-08 05:34:33,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:33,978 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:33,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 05:34:33,979 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:33,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:33,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1678815331, now seen corresponding path program 1 times [2025-03-08 05:34:33,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:33,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813897840] [2025-03-08 05:34:33,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:33,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:33,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-08 05:34:34,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-08 05:34:34,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:34,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:34,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:34,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813897840] [2025-03-08 05:34:34,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813897840] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:34,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:34,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:34,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815604732] [2025-03-08 05:34:34,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:34,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:34,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:34,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:34,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:34,032 INFO L87 Difference]: Start difference. First operand 3787 states and 6501 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:34,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:34,216 INFO L93 Difference]: Finished difference Result 8981 states and 15567 transitions. [2025-03-08 05:34:34,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:34,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2025-03-08 05:34:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:34,249 INFO L225 Difference]: With dead ends: 8981 [2025-03-08 05:34:34,249 INFO L226 Difference]: Without dead ends: 5693 [2025-03-08 05:34:34,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:34,263 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 127 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1243 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 [2025-03-08 05:34:34,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1243 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:34,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5693 states. [2025-03-08 05:34:34,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5693 to 5677. [2025-03-08 05:34:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5677 states, 4578 states have (on average 1.6675404106596767) internal successors, (7634), 4588 states have internal predecessors, (7634), 1034 states have call successors, (1034), 60 states have call predecessors, (1034), 64 states have return successors, (1173), 1032 states have call predecessors, (1173), 1032 states have call successors, (1173) [2025-03-08 05:34:34,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 9841 transitions. [2025-03-08 05:34:34,531 INFO L78 Accepts]: Start accepts. Automaton has 5677 states and 9841 transitions. Word has length 137 [2025-03-08 05:34:34,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:34,532 INFO L471 AbstractCegarLoop]: Abstraction has 5677 states and 9841 transitions. [2025-03-08 05:34:34,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:34,533 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 9841 transitions. [2025-03-08 05:34:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-08 05:34:34,561 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:34,561 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:34,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 05:34:34,561 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:34,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:34,562 INFO L85 PathProgramCache]: Analyzing trace with hash 46507318, now seen corresponding path program 1 times [2025-03-08 05:34:34,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:34,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190736093] [2025-03-08 05:34:34,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:34,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:34,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-08 05:34:34,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-08 05:34:34,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:34,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-08 05:34:34,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190736093] [2025-03-08 05:34:34,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190736093] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:34,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:34,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:34,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091254753] [2025-03-08 05:34:34,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:34,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:34,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:34,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:34,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:34,633 INFO L87 Difference]: Start difference. First operand 5677 states and 9841 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:34,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:34,919 INFO L93 Difference]: Finished difference Result 13505 states and 23621 transitions. [2025-03-08 05:34:34,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:34,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2025-03-08 05:34:34,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:34,977 INFO L225 Difference]: With dead ends: 13505 [2025-03-08 05:34:34,977 INFO L226 Difference]: Without dead ends: 8743 [2025-03-08 05:34:35,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:35,001 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 125 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1243 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 [2025-03-08 05:34:35,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1243 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8743 states. [2025-03-08 05:34:35,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8743 to 8727. [2025-03-08 05:34:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8727 states, 7138 states have (on average 1.674978985710283) internal successors, (11956), 7148 states have internal predecessors, (11956), 1524 states have call successors, (1524), 60 states have call predecessors, (1524), 64 states have return successors, (1746), 1522 states have call predecessors, (1746), 1522 states have call successors, (1746) [2025-03-08 05:34:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 15226 transitions. [2025-03-08 05:34:35,411 INFO L78 Accepts]: Start accepts. Automaton has 8727 states and 15226 transitions. Word has length 157 [2025-03-08 05:34:35,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:35,412 INFO L471 AbstractCegarLoop]: Abstraction has 8727 states and 15226 transitions. [2025-03-08 05:34:35,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8727 states and 15226 transitions. [2025-03-08 05:34:35,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-08 05:34:35,449 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:35,450 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:35,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 05:34:35,450 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:35,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:35,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1035920988, now seen corresponding path program 1 times [2025-03-08 05:34:35,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:35,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469955193] [2025-03-08 05:34:35,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:35,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-08 05:34:35,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-08 05:34:35,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:35,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:35,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:35,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469955193] [2025-03-08 05:34:35,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469955193] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:35,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:35,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:35,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315385460] [2025-03-08 05:34:35,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:35,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:35,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:35,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:35,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:35,503 INFO L87 Difference]: Start difference. First operand 8727 states and 15226 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:35,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:35,835 INFO L93 Difference]: Finished difference Result 21581 states and 37904 transitions. [2025-03-08 05:34:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:35,835 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2025-03-08 05:34:35,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:35,898 INFO L225 Difference]: With dead ends: 21581 [2025-03-08 05:34:35,898 INFO L226 Difference]: Without dead ends: 14241 [2025-03-08 05:34:35,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:35,929 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 123 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1263 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 [2025-03-08 05:34:35,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1263 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:35,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14241 states. [2025-03-08 05:34:36,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14241 to 14225. [2025-03-08 05:34:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14225 states, 11650 states have (on average 1.672618025751073) internal successors, (19486), 11660 states have internal predecessors, (19486), 2510 states have call successors, (2510), 60 states have call predecessors, (2510), 64 states have return successors, (2876), 2508 states have call predecessors, (2876), 2508 states have call successors, (2876) [2025-03-08 05:34:36,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14225 states to 14225 states and 24872 transitions. [2025-03-08 05:34:36,482 INFO L78 Accepts]: Start accepts. Automaton has 14225 states and 24872 transitions. Word has length 139 [2025-03-08 05:34:36,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:36,483 INFO L471 AbstractCegarLoop]: Abstraction has 14225 states and 24872 transitions. [2025-03-08 05:34:36,483 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 14225 states and 24872 transitions. [2025-03-08 05:34:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-08 05:34:36,531 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:36,532 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:36,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 05:34:36,532 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:36,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:36,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1377814039, now seen corresponding path program 1 times [2025-03-08 05:34:36,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:36,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650970929] [2025-03-08 05:34:36,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:36,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:36,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 05:34:36,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 05:34:36,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:36,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-08 05:34:36,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:36,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650970929] [2025-03-08 05:34:36,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650970929] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:36,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:36,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:36,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107549072] [2025-03-08 05:34:36,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:36,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:36,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:36,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:36,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:36,597 INFO L87 Difference]: Start difference. First operand 14225 states and 24872 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:37,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:37,272 INFO L93 Difference]: Finished difference Result 35945 states and 63206 transitions. [2025-03-08 05:34:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:37,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2025-03-08 05:34:37,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:37,399 INFO L225 Difference]: With dead ends: 35945 [2025-03-08 05:34:37,399 INFO L226 Difference]: Without dead ends: 23867 [2025-03-08 05:34:37,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:37,460 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 121 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1256 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 [2025-03-08 05:34:37,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1256 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23867 states. [2025-03-08 05:34:38,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23867 to 23851. [2025-03-08 05:34:38,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23851 states, 19632 states have (on average 1.67359413202934) internal successors, (32856), 19642 states have internal predecessors, (32856), 4154 states have call successors, (4154), 60 states have call predecessors, (4154), 64 states have return successors, (4709), 4152 states have call predecessors, (4709), 4152 states have call successors, (4709) [2025-03-08 05:34:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23851 states to 23851 states and 41719 transitions. [2025-03-08 05:34:38,478 INFO L78 Accepts]: Start accepts. Automaton has 23851 states and 41719 transitions. Word has length 159 [2025-03-08 05:34:38,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:38,478 INFO L471 AbstractCegarLoop]: Abstraction has 23851 states and 41719 transitions. [2025-03-08 05:34:38,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 23851 states and 41719 transitions. [2025-03-08 05:34:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-08 05:34:38,542 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:38,542 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:38,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 05:34:38,543 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:38,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:38,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1409287150, now seen corresponding path program 1 times [2025-03-08 05:34:38,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:38,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393095871] [2025-03-08 05:34:38,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:38,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:38,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 05:34:38,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 05:34:38,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:38,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-08 05:34:38,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:38,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393095871] [2025-03-08 05:34:38,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393095871] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:38,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:38,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:38,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343666166] [2025-03-08 05:34:38,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:38,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:38,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:38,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:38,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:38,603 INFO L87 Difference]: Start difference. First operand 23851 states and 41719 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:39,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:39,416 INFO L93 Difference]: Finished difference Result 56981 states and 99660 transitions. [2025-03-08 05:34:39,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:39,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2025-03-08 05:34:39,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:39,570 INFO L225 Difference]: With dead ends: 56981 [2025-03-08 05:34:39,571 INFO L226 Difference]: Without dead ends: 37167 [2025-03-08 05:34:39,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:39,610 INFO L435 NwaCegarLoop]: 633 mSDtfsCounter, 119 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1226 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 [2025-03-08 05:34:39,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1226 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:39,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37167 states. [2025-03-08 05:34:40,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37167 to 37151. [2025-03-08 05:34:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37151 states, 30526 states have (on average 1.6507239730066172) internal successors, (50390), 30536 states have internal predecessors, (50390), 6560 states have call successors, (6560), 60 states have call predecessors, (6560), 64 states have return successors, (7540), 6558 states have call predecessors, (7540), 6558 states have call successors, (7540) [2025-03-08 05:34:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37151 states to 37151 states and 64490 transitions. [2025-03-08 05:34:41,047 INFO L78 Accepts]: Start accepts. Automaton has 37151 states and 64490 transitions. Word has length 160 [2025-03-08 05:34:41,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:41,048 INFO L471 AbstractCegarLoop]: Abstraction has 37151 states and 64490 transitions. [2025-03-08 05:34:41,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-08 05:34:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 37151 states and 64490 transitions. [2025-03-08 05:34:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-08 05:34:41,130 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:41,130 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:41,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 05:34:41,130 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:41,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:41,131 INFO L85 PathProgramCache]: Analyzing trace with hash 202264507, now seen corresponding path program 1 times [2025-03-08 05:34:41,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:41,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420413831] [2025-03-08 05:34:41,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:41,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:41,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 05:34:41,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 05:34:41,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:41,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:41,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:41,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420413831] [2025-03-08 05:34:41,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420413831] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:41,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:41,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:41,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83700027] [2025-03-08 05:34:41,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:41,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:41,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:41,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:41,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:41,200 INFO L87 Difference]: Start difference. First operand 37151 states and 64490 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:42,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:42,921 INFO L93 Difference]: Finished difference Result 98175 states and 171149 transitions. [2025-03-08 05:34:42,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:42,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2025-03-08 05:34:42,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:43,189 INFO L225 Difference]: With dead ends: 98175 [2025-03-08 05:34:43,189 INFO L226 Difference]: Without dead ends: 66271 [2025-03-08 05:34:43,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:43,268 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 117 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1246 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 [2025-03-08 05:34:43,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1246 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66271 states. [2025-03-08 05:34:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66271 to 66255. [2025-03-08 05:34:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66255 states, 54730 states have (on average 1.6477982824776174) internal successors, (90184), 54740 states have internal predecessors, (90184), 11460 states have call successors, (11460), 60 states have call predecessors, (11460), 64 states have return successors, (13254), 11458 states have call predecessors, (13254), 11458 states have call successors, (13254) [2025-03-08 05:34:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66255 states to 66255 states and 114898 transitions. [2025-03-08 05:34:45,851 INFO L78 Accepts]: Start accepts. Automaton has 66255 states and 114898 transitions. Word has length 142 [2025-03-08 05:34:45,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:45,852 INFO L471 AbstractCegarLoop]: Abstraction has 66255 states and 114898 transitions. [2025-03-08 05:34:45,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:45,852 INFO L276 IsEmpty]: Start isEmpty. Operand 66255 states and 114898 transitions. [2025-03-08 05:34:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-08 05:34:45,965 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:45,966 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:45,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 05:34:45,966 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:45,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:45,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1935140410, now seen corresponding path program 1 times [2025-03-08 05:34:45,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:45,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684068807] [2025-03-08 05:34:45,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:45,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:45,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-08 05:34:45,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-08 05:34:45,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:45,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:46,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:46,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684068807] [2025-03-08 05:34:46,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684068807] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:46,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:46,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:46,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023457231] [2025-03-08 05:34:46,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:46,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:46,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:46,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:46,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:46,031 INFO L87 Difference]: Start difference. First operand 66255 states and 114898 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:48,873 INFO L93 Difference]: Finished difference Result 180689 states and 313873 transitions. [2025-03-08 05:34:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:48,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 143 [2025-03-08 05:34:48,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:49,577 INFO L225 Difference]: With dead ends: 180689 [2025-03-08 05:34:49,577 INFO L226 Difference]: Without dead ends: 121421 [2025-03-08 05:34:49,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:49,825 INFO L435 NwaCegarLoop]: 627 mSDtfsCounter, 115 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:34:49,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1247 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:49,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121421 states. [2025-03-08 05:34:54,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121421 to 121405. [2025-03-08 05:34:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121405 states, 100854 states have (on average 1.6436631169809823) internal successors, (165770), 100864 states have internal predecessors, (165770), 20486 states have call successors, (20486), 60 states have call predecessors, (20486), 64 states have return successors, (23344), 20484 states have call predecessors, (23344), 20484 states have call successors, (23344) [2025-03-08 05:34:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121405 states to 121405 states and 209600 transitions. [2025-03-08 05:34:54,800 INFO L78 Accepts]: Start accepts. Automaton has 121405 states and 209600 transitions. Word has length 143 [2025-03-08 05:34:54,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:54,800 INFO L471 AbstractCegarLoop]: Abstraction has 121405 states and 209600 transitions. [2025-03-08 05:34:54,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 121405 states and 209600 transitions. [2025-03-08 05:34:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 05:34:54,916 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:54,916 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:34:54,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 05:34:54,916 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:54,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:54,917 INFO L85 PathProgramCache]: Analyzing trace with hash 954840858, now seen corresponding path program 1 times [2025-03-08 05:34:54,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:54,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888587916] [2025-03-08 05:34:54,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:54,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:54,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 05:34:54,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 05:34:54,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:54,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:54,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:54,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888587916] [2025-03-08 05:34:54,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888587916] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:54,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:54,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:54,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11759263] [2025-03-08 05:34:54,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:54,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:54,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:54,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:54,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:54,960 INFO L87 Difference]: Start difference. First operand 121405 states and 209600 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-08 05:34:59,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:59,361 INFO L93 Difference]: Finished difference Result 227379 states and 393424 transitions. [2025-03-08 05:34:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:59,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2025-03-08 05:34:59,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:35:00,352 INFO L225 Difference]: With dead ends: 227379 [2025-03-08 05:35:00,352 INFO L226 Difference]: Without dead ends: 226925 [2025-03-08 05:35:00,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:35:00,464 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 110 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:35:00,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1260 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:35:00,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226925 states.