./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_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_spec27_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 6b54f48e5606af61de5b12570bc2e15a173e4036917e2e3bdec28cef1386724b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:32:30,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:32:30,931 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:32:30,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:32:30,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:32:30,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:32:30,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:32:30,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:32:30,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:32:30,958 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:32:30,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:32:30,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:32:30,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:32:30,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:32:30,959 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:32:30,961 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:32:30,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:32:30,961 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:32:30,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:32:30,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:32:30,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:32:30,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:32:30,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:32:30,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:32:30,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:32:30,962 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 -> 6b54f48e5606af61de5b12570bc2e15a173e4036917e2e3bdec28cef1386724b [2025-03-08 05:32:31,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:32:31,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:32:31,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:32:31,194 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:32:31,195 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:32:31,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c [2025-03-08 05:32:32,330 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5d35cca/2fcadb3865764313af400cdda4c20021/FLAG75af60fd9 [2025-03-08 05:32:32,694 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:32:32,695 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c [2025-03-08 05:32:32,713 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5d35cca/2fcadb3865764313af400cdda4c20021/FLAG75af60fd9 [2025-03-08 05:32:32,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5d35cca/2fcadb3865764313af400cdda4c20021 [2025-03-08 05:32:32,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:32:32,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:32:32,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:32:32,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:32:32,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:32:32,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:32:32" (1/1) ... [2025-03-08 05:32:32,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1581076a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:32, skipping insertion in model container [2025-03-08 05:32:32,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:32:32" (1/1) ... [2025-03-08 05:32:32,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:32:33,217 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c[27975,27988] [2025-03-08 05:32:33,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:32:33,394 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:32:33,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2025-03-08 05:32:33,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [1128] [2025-03-08 05:32:33,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1174] [2025-03-08 05:32:33,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1183] [2025-03-08 05:32:33,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1201] [2025-03-08 05:32:33,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1567] [2025-03-08 05:32:33,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1875] [2025-03-08 05:32:33,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2287] [2025-03-08 05:32:33,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2685] [2025-03-08 05:32:33,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2720] [2025-03-08 05:32:33,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2856] [2025-03-08 05:32:33,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c[27975,27988] [2025-03-08 05:32:33,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:32:33,521 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:32:33,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33 WrapperNode [2025-03-08 05:32:33,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:32:33,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:32:33,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:32:33,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:32:33,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,598 INFO L138 Inliner]: procedures = 134, calls = 220, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 989 [2025-03-08 05:32:33,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:32:33,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:32:33,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:32:33,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:32:33,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,614 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,642 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 05:32:33,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:32:33,686 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:32:33,686 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:32:33,686 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:32:33,687 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (1/1) ... [2025-03-08 05:32:33,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:32:33,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:32:33,712 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 05:32:33,715 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 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-08 05:32:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-08 05:32:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2025-03-08 05:32:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-08 05:32:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-08 05:32:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-08 05:32:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-08 05:32:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:32:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 05:32:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 05:32:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 05:32:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-08 05:32:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-08 05:32:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-08 05:32:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-08 05:32:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:32:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:32:33,882 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:32:33,885 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:32:33,987 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2592: #res := ~retValue_acc~35; [2025-03-08 05:32:33,995 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2666: #res := ~retValue_acc~37; [2025-03-08 05:32:34,009 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2183: #res := ~retValue_acc~26; [2025-03-08 05:32:34,050 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L762: #res#1 := ~retValue_acc~11#1; [2025-03-08 05:32:34,050 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L717-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~10#1; [2025-03-08 05:32:34,089 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L986: #res := ~retValue_acc~14; [2025-03-08 05:32:34,098 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L670: #res := ~retValue_acc~9; [2025-03-08 05:32:34,114 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2853-1: createEmail_#res#1 := createEmail_~retValue_acc~43#1; [2025-03-08 05:32:34,125 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: #res := ~retValue_acc~3; [2025-03-08 05:32:34,134 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2518: #res := ~retValue_acc~33; [2025-03-08 05:32:34,169 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2555: #res := ~retValue_acc~34; [2025-03-08 05:32:34,180 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2629: #res := ~retValue_acc~36; [2025-03-08 05:32:34,200 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2403: #res := ~retValue_acc~30; [2025-03-08 05:32:34,251 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L540: #res := ~retValue_acc~7; [2025-03-08 05:32:34,367 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L623-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~8#1; [2025-03-08 05:32:34,367 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1105-1: getClientId_#res#1 := getClientId_~retValue_acc~16#1; [2025-03-08 05:32:34,567 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~13#1; [2025-03-08 05:32:34,567 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2717-1: valid_product_#res#1 := valid_product_~retValue_acc~39#1; [2025-03-08 05:32:34,567 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2140-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~23#1; [2025-03-08 05:32:34,567 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2158-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~25#1; [2025-03-08 05:32:34,567 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L825-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~12#1; [2025-03-08 05:32:34,567 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2149-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~24#1; [2025-03-08 05:32:34,572 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2366: #res := ~retValue_acc~29; [2025-03-08 05:32:34,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2829: #res#1 := ~retValue_acc~41#1; [2025-03-08 05:32:34,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2809-1: isReadable__wrappee__Keys_#res#1 := isReadable__wrappee__Keys_~retValue_acc~40#1; [2025-03-08 05:32:34,713 INFO L? ?]: Removed 544 outVars from TransFormulas that were not future-live. [2025-03-08 05:32:34,713 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:32:34,737 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:32:34,742 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:32:34,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:32:34 BoogieIcfgContainer [2025-03-08 05:32:34,742 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:32:34,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:32:34,745 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:32:34,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:32:34,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:32:32" (1/3) ... [2025-03-08 05:32:34,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2969c254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:32:34, skipping insertion in model container [2025-03-08 05:32:34,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:32:33" (2/3) ... [2025-03-08 05:32:34,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2969c254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:32:34, skipping insertion in model container [2025-03-08 05:32:34,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:32:34" (3/3) ... [2025-03-08 05:32:34,750 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec27_product32.cil.c [2025-03-08 05:32:34,761 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:32:34,763 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec27_product32.cil.c that has 30 procedures, 430 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 05:32:34,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:32:34,822 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;@3c85c0b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:32:34,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:32:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 430 states, 333 states have (on average 1.5495495495495495) internal successors, (516), 338 states have internal predecessors, (516), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2025-03-08 05:32:34,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-08 05:32:34,848 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:34,848 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:34,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:34,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:34,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1806998706, now seen corresponding path program 1 times [2025-03-08 05:32:34,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:34,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739668066] [2025-03-08 05:32:34,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:34,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:34,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-08 05:32:35,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-08 05:32:35,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:35,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-03-08 05:32:35,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:35,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739668066] [2025-03-08 05:32:35,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739668066] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:32:35,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747629388] [2025-03-08 05:32:35,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:35,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:32:35,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:32:35,464 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 05:32:35,468 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 05:32:35,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-08 05:32:35,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-08 05:32:35,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:35,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:35,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 05:32:35,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:32:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-03-08 05:32:35,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:32:35,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747629388] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:35,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:32:35,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:32:35,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252901036] [2025-03-08 05:32:35,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:35,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:35,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:35,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:35,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:32:35,874 INFO L87 Difference]: Start difference. First operand has 430 states, 333 states have (on average 1.5495495495495495) internal successors, (516), 338 states have internal predecessors, (516), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:35,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:35,955 INFO L93 Difference]: Finished difference Result 670 states and 992 transitions. [2025-03-08 05:32:35,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:35,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2025-03-08 05:32:35,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:35,966 INFO L225 Difference]: With dead ends: 670 [2025-03-08 05:32:35,966 INFO L226 Difference]: Without dead ends: 424 [2025-03-08 05:32:35,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 170 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 05:32:35,973 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 0 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1285 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 05:32:35,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1285 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:35,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2025-03-08 05:32:36,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2025-03-08 05:32:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 328 states have (on average 1.545731707317073) internal successors, (507), 332 states have internal predecessors, (507), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2025-03-08 05:32:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 638 transitions. [2025-03-08 05:32:36,029 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 638 transitions. Word has length 170 [2025-03-08 05:32:36,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:36,029 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 638 transitions. [2025-03-08 05:32:36,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 638 transitions. [2025-03-08 05:32:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-03-08 05:32:36,033 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:36,034 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:36,042 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 05:32:36,238 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 05:32:36,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:36,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:36,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1712342845, now seen corresponding path program 1 times [2025-03-08 05:32:36,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:36,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884647155] [2025-03-08 05:32:36,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:36,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:36,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-08 05:32:36,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-08 05:32:36,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:36,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-08 05:32:36,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:36,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884647155] [2025-03-08 05:32:36,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884647155] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:32:36,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383396176] [2025-03-08 05:32:36,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:36,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:32:36,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:32:36,529 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 05:32:36,530 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 05:32:36,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-08 05:32:36,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-08 05:32:36,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:36,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:36,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:32:36,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:32:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-03-08 05:32:36,868 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:32:36,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383396176] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:36,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:32:36,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:32:36,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304321924] [2025-03-08 05:32:36,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:36,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:36,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:36,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:36,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:32:36,871 INFO L87 Difference]: Start difference. First operand 424 states and 638 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:36,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:36,921 INFO L93 Difference]: Finished difference Result 895 states and 1367 transitions. [2025-03-08 05:32:36,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:36,922 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 177 [2025-03-08 05:32:36,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:36,928 INFO L225 Difference]: With dead ends: 895 [2025-03-08 05:32:36,928 INFO L226 Difference]: Without dead ends: 497 [2025-03-08 05:32:36,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 177 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 05:32:36,930 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 134 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 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 05:32:36,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 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 05:32:36,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-03-08 05:32:36,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 489. [2025-03-08 05:32:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 379 states have (on average 1.567282321899736) internal successors, (594), 383 states have internal predecessors, (594), 80 states have call successors, (80), 29 states have call predecessors, (80), 29 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2025-03-08 05:32:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 753 transitions. [2025-03-08 05:32:36,960 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 753 transitions. Word has length 177 [2025-03-08 05:32:36,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:36,960 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 753 transitions. [2025-03-08 05:32:36,961 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 753 transitions. [2025-03-08 05:32:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-08 05:32:36,966 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:36,966 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:36,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 05:32:37,166 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 05:32:37,167 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:37,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:37,168 INFO L85 PathProgramCache]: Analyzing trace with hash -666281340, now seen corresponding path program 1 times [2025-03-08 05:32:37,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:37,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648206120] [2025-03-08 05:32:37,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:37,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:37,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 05:32:37,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 05:32:37,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:37,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-08 05:32:37,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:37,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648206120] [2025-03-08 05:32:37,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648206120] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:32:37,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715727877] [2025-03-08 05:32:37,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:37,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:32:37,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:32:37,396 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 05:32:37,398 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 05:32:37,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 05:32:37,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 05:32:37,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:37,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:37,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-08 05:32:37,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:32:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 05:32:37,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:32:37,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715727877] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:37,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:32:37,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-08 05:32:37,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674400157] [2025-03-08 05:32:37,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:37,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:32:37,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:37,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:32:37,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:32:37,770 INFO L87 Difference]: Start difference. First operand 489 states and 753 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:37,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:37,839 INFO L93 Difference]: Finished difference Result 969 states and 1496 transitions. [2025-03-08 05:32:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:32:37,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2025-03-08 05:32:37,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:37,843 INFO L225 Difference]: With dead ends: 969 [2025-03-08 05:32:37,843 INFO L226 Difference]: Without dead ends: 491 [2025-03-08 05:32:37,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:32:37,850 INFO L435 NwaCegarLoop]: 629 mSDtfsCounter, 2 mSDsluCounter, 1876 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2505 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 05:32:37,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2505 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:37,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2025-03-08 05:32:37,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2025-03-08 05:32:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 380 states have (on average 1.5657894736842106) internal successors, (595), 385 states have internal predecessors, (595), 80 states have call successors, (80), 29 states have call predecessors, (80), 30 states have return successors, (81), 78 states have call predecessors, (81), 79 states have call successors, (81) [2025-03-08 05:32:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 756 transitions. [2025-03-08 05:32:37,872 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 756 transitions. Word has length 159 [2025-03-08 05:32:37,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:37,873 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 756 transitions. [2025-03-08 05:32:37,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 756 transitions. [2025-03-08 05:32:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-08 05:32:37,876 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:37,876 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:37,884 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 05:32:38,077 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 05:32:38,077 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:38,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:38,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1645738095, now seen corresponding path program 1 times [2025-03-08 05:32:38,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:38,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279828297] [2025-03-08 05:32:38,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:38,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:38,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 05:32:38,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 05:32:38,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:38,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-03-08 05:32:38,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:38,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279828297] [2025-03-08 05:32:38,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279828297] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:32:38,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534511053] [2025-03-08 05:32:38,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:38,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:32:38,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:32:38,320 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 05:32:38,322 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 05:32:38,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 05:32:38,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 05:32:38,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:38,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:38,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 05:32:38,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:32:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 05:32:38,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:32:38,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534511053] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:38,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:32:38,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-08 05:32:38,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901156261] [2025-03-08 05:32:38,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:38,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:32:38,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:38,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:32:38,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:32:38,613 INFO L87 Difference]: Start difference. First operand 491 states and 756 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:38,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:38,675 INFO L93 Difference]: Finished difference Result 971 states and 1501 transitions. [2025-03-08 05:32:38,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:32:38,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2025-03-08 05:32:38,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:38,679 INFO L225 Difference]: With dead ends: 971 [2025-03-08 05:32:38,679 INFO L226 Difference]: Without dead ends: 493 [2025-03-08 05:32:38,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 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 05:32:38,681 INFO L435 NwaCegarLoop]: 627 mSDtfsCounter, 2 mSDsluCounter, 1864 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2491 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 05:32:38,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2491 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:38,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-03-08 05:32:38,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2025-03-08 05:32:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 381 states have (on average 1.5643044619422573) internal successors, (596), 387 states have internal predecessors, (596), 80 states have call successors, (80), 29 states have call predecessors, (80), 31 states have return successors, (86), 78 states have call predecessors, (86), 79 states have call successors, (86) [2025-03-08 05:32:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 762 transitions. [2025-03-08 05:32:38,702 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 762 transitions. Word has length 160 [2025-03-08 05:32:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:38,702 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 762 transitions. [2025-03-08 05:32:38,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:38,703 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 762 transitions. [2025-03-08 05:32:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-03-08 05:32:38,705 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:38,705 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:38,714 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 05:32:38,910 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 05:32:38,910 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:38,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1789451784, now seen corresponding path program 1 times [2025-03-08 05:32:38,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:38,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259867575] [2025-03-08 05:32:38,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:38,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:38,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-08 05:32:38,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-08 05:32:38,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:38,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-08 05:32:39,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:39,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259867575] [2025-03-08 05:32:39,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259867575] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:39,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:39,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:32:39,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720707557] [2025-03-08 05:32:39,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:39,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:32:39,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:39,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:32:39,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:32:39,060 INFO L87 Difference]: Start difference. First operand 493 states and 762 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:39,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:39,106 INFO L93 Difference]: Finished difference Result 963 states and 1492 transitions. [2025-03-08 05:32:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:32:39,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2025-03-08 05:32:39,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:39,109 INFO L225 Difference]: With dead ends: 963 [2025-03-08 05:32:39,109 INFO L226 Difference]: Without dead ends: 493 [2025-03-08 05:32:39,112 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 05:32:39,114 INFO L435 NwaCegarLoop]: 630 mSDtfsCounter, 2 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2509 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 05:32:39,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2509 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:39,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-03-08 05:32:39,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2025-03-08 05:32:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 381 states have (on average 1.5643044619422573) internal successors, (596), 387 states have internal predecessors, (596), 80 states have call successors, (80), 29 states have call predecessors, (80), 31 states have return successors, (85), 78 states have call predecessors, (85), 79 states have call successors, (85) [2025-03-08 05:32:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 761 transitions. [2025-03-08 05:32:39,158 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 761 transitions. Word has length 161 [2025-03-08 05:32:39,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:39,158 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 761 transitions. [2025-03-08 05:32:39,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 761 transitions. [2025-03-08 05:32:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-08 05:32:39,160 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:39,161 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:39,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 05:32:39,162 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:39,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:39,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1421277627, now seen corresponding path program 2 times [2025-03-08 05:32:39,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:39,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9411435] [2025-03-08 05:32:39,163 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:32:39,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:39,182 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 162 statements into 2 equivalence classes. [2025-03-08 05:32:39,189 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 80 of 162 statements. [2025-03-08 05:32:39,189 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 05:32:39,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-08 05:32:39,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:39,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9411435] [2025-03-08 05:32:39,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9411435] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:39,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:39,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:32:39,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231242303] [2025-03-08 05:32:39,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:39,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:32:39,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:39,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:32:39,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:32:39,330 INFO L87 Difference]: Start difference. First operand 493 states and 761 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:39,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:39,685 INFO L93 Difference]: Finished difference Result 1314 states and 2003 transitions. [2025-03-08 05:32:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 05:32:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2025-03-08 05:32:39,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:39,694 INFO L225 Difference]: With dead ends: 1314 [2025-03-08 05:32:39,694 INFO L226 Difference]: Without dead ends: 1087 [2025-03-08 05:32:39,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-03-08 05:32:39,697 INFO L435 NwaCegarLoop]: 657 mSDtfsCounter, 745 mSDsluCounter, 3745 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 4402 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 05:32:39,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 4402 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 05:32:39,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2025-03-08 05:32:39,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 981. [2025-03-08 05:32:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 760 states have (on average 1.568421052631579) internal successors, (1192), 769 states have internal predecessors, (1192), 158 states have call successors, (158), 59 states have call predecessors, (158), 62 states have return successors, (172), 156 states have call predecessors, (172), 156 states have call successors, (172) [2025-03-08 05:32:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1522 transitions. [2025-03-08 05:32:39,752 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1522 transitions. Word has length 162 [2025-03-08 05:32:39,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:39,753 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1522 transitions. [2025-03-08 05:32:39,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:39,753 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1522 transitions. [2025-03-08 05:32:39,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-08 05:32:39,757 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:39,757 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:39,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 05:32:39,757 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:39,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:39,758 INFO L85 PathProgramCache]: Analyzing trace with hash 20410590, now seen corresponding path program 1 times [2025-03-08 05:32:39,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:39,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990024534] [2025-03-08 05:32:39,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:39,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:39,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-08 05:32:39,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-08 05:32:39,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:39,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:39,912 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-08 05:32:39,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:39,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990024534] [2025-03-08 05:32:39,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990024534] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:39,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:39,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:32:39,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640123786] [2025-03-08 05:32:39,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:39,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:32:39,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:39,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:32:39,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:32:39,914 INFO L87 Difference]: Start difference. First operand 981 states and 1522 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:39,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:39,972 INFO L93 Difference]: Finished difference Result 1931 states and 3004 transitions. [2025-03-08 05:32:39,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:32:39,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 163 [2025-03-08 05:32:39,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:39,980 INFO L225 Difference]: With dead ends: 1931 [2025-03-08 05:32:39,980 INFO L226 Difference]: Without dead ends: 985 [2025-03-08 05:32:39,984 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 05:32:39,985 INFO L435 NwaCegarLoop]: 631 mSDtfsCounter, 1 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2512 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 05:32:39,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2512 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:39,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2025-03-08 05:32:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 985. [2025-03-08 05:32:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 762 states have (on average 1.5669291338582678) internal successors, (1194), 773 states have internal predecessors, (1194), 158 states have call successors, (158), 59 states have call predecessors, (158), 64 states have return successors, (175), 156 states have call predecessors, (175), 156 states have call successors, (175) [2025-03-08 05:32:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1527 transitions. [2025-03-08 05:32:40,036 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1527 transitions. Word has length 163 [2025-03-08 05:32:40,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:40,037 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1527 transitions. [2025-03-08 05:32:40,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1527 transitions. [2025-03-08 05:32:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-03-08 05:32:40,043 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:40,043 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:40,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 05:32:40,044 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:40,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:40,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1990843960, now seen corresponding path program 1 times [2025-03-08 05:32:40,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:40,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149780347] [2025-03-08 05:32:40,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:40,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:40,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-08 05:32:40,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-08 05:32:40,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:40,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-03-08 05:32:40,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149780347] [2025-03-08 05:32:40,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149780347] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:40,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:40,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:32:40,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256678192] [2025-03-08 05:32:40,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:40,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:32:40,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:40,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:32:40,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:32:40,185 INFO L87 Difference]: Start difference. First operand 985 states and 1527 transitions. Second operand has 8 states, 7 states have (on average 15.0) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-08 05:32:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:40,315 INFO L93 Difference]: Finished difference Result 1930 states and 2997 transitions. [2025-03-08 05:32:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 05:32:40,316 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.0) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 164 [2025-03-08 05:32:40,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:40,322 INFO L225 Difference]: With dead ends: 1930 [2025-03-08 05:32:40,322 INFO L226 Difference]: Without dead ends: 989 [2025-03-08 05:32:40,325 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 05:32:40,325 INFO L435 NwaCegarLoop]: 621 mSDtfsCounter, 7 mSDsluCounter, 3697 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4318 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 05:32:40,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4318 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:32:40,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2025-03-08 05:32:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 987. [2025-03-08 05:32:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 764 states have (on average 1.5654450261780104) internal successors, (1196), 774 states have internal predecessors, (1196), 158 states have call successors, (158), 60 states have call predecessors, (158), 64 states have return successors, (173), 156 states have call predecessors, (173), 156 states have call successors, (173) [2025-03-08 05:32:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1527 transitions. [2025-03-08 05:32:40,368 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1527 transitions. Word has length 164 [2025-03-08 05:32:40,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:40,369 INFO L471 AbstractCegarLoop]: Abstraction has 987 states and 1527 transitions. [2025-03-08 05:32:40,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.0) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-08 05:32:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1527 transitions. [2025-03-08 05:32:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-03-08 05:32:40,374 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:40,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:40,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 05:32:40,375 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:40,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:40,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1213201129, now seen corresponding path program 2 times [2025-03-08 05:32:40,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:40,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711670067] [2025-03-08 05:32:40,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:32:40,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:40,397 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 165 statements into 2 equivalence classes. [2025-03-08 05:32:40,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 83 of 165 statements. [2025-03-08 05:32:40,404 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 05:32:40,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-03-08 05:32:40,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:40,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711670067] [2025-03-08 05:32:40,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711670067] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:40,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:40,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 05:32:40,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006298087] [2025-03-08 05:32:40,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:40,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 05:32:40,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:40,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 05:32:40,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:32:40,576 INFO L87 Difference]: Start difference. First operand 987 states and 1527 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 3 states have call successors, (23), 1 states have call predecessors, (23), 3 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:40,720 INFO L93 Difference]: Finished difference Result 1529 states and 2318 transitions. [2025-03-08 05:32:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 05:32:40,721 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 3 states have call successors, (23), 1 states have call predecessors, (23), 3 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2025-03-08 05:32:40,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:40,727 INFO L225 Difference]: With dead ends: 1529 [2025-03-08 05:32:40,727 INFO L226 Difference]: Without dead ends: 1077 [2025-03-08 05:32:40,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-08 05:32:40,730 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 40 mSDsluCounter, 4599 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:32:40,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 5265 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:32:40,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2025-03-08 05:32:40,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1069. [2025-03-08 05:32:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 815 states have (on average 1.5533742331288343) internal successors, (1266), 831 states have internal predecessors, (1266), 186 states have call successors, (186), 60 states have call predecessors, (186), 67 states have return successors, (211), 183 states have call predecessors, (211), 184 states have call successors, (211) [2025-03-08 05:32:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1663 transitions. [2025-03-08 05:32:40,779 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1663 transitions. Word has length 165 [2025-03-08 05:32:40,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:40,780 INFO L471 AbstractCegarLoop]: Abstraction has 1069 states and 1663 transitions. [2025-03-08 05:32:40,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 3 states have call successors, (23), 1 states have call predecessors, (23), 3 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-08 05:32:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1663 transitions. [2025-03-08 05:32:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-03-08 05:32:40,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:40,785 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:40,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 05:32:40,785 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:40,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:40,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1595313921, now seen corresponding path program 1 times [2025-03-08 05:32:40,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:40,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588990028] [2025-03-08 05:32:40,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:40,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:40,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-08 05:32:40,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-08 05:32:40,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:40,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-03-08 05:32:40,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:40,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588990028] [2025-03-08 05:32:40,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588990028] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:32:40,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998252772] [2025-03-08 05:32:40,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:40,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:32:40,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:32:40,899 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 05:32:40,902 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 05:32:41,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-08 05:32:41,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-08 05:32:41,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:41,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:41,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 05:32:41,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:32:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-08 05:32:41,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:32:41,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998252772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:41,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:32:41,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-08 05:32:41,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595807520] [2025-03-08 05:32:41,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:41,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:32:41,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:41,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:32:41,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:32:41,222 INFO L87 Difference]: Start difference. First operand 1069 states and 1663 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:41,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:41,291 INFO L93 Difference]: Finished difference Result 1612 states and 2507 transitions. [2025-03-08 05:32:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:32:41,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2025-03-08 05:32:41,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:41,297 INFO L225 Difference]: With dead ends: 1612 [2025-03-08 05:32:41,298 INFO L226 Difference]: Without dead ends: 1075 [2025-03-08 05:32:41,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 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 05:32:41,300 INFO L435 NwaCegarLoop]: 630 mSDtfsCounter, 1 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2502 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:32:41,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2502 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:41,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2025-03-08 05:32:41,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1071. [2025-03-08 05:32:41,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 816 states have (on average 1.5526960784313726) internal successors, (1267), 833 states have internal predecessors, (1267), 186 states have call successors, (186), 60 states have call predecessors, (186), 68 states have return successors, (214), 183 states have call predecessors, (214), 184 states have call successors, (214) [2025-03-08 05:32:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1667 transitions. [2025-03-08 05:32:41,364 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1667 transitions. Word has length 165 [2025-03-08 05:32:41,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:41,364 INFO L471 AbstractCegarLoop]: Abstraction has 1071 states and 1667 transitions. [2025-03-08 05:32:41,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:41,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1667 transitions. [2025-03-08 05:32:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-03-08 05:32:41,369 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:41,369 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, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:41,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 05:32:41,570 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 05:32:41,571 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:41,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:41,571 INFO L85 PathProgramCache]: Analyzing trace with hash -776653628, now seen corresponding path program 1 times [2025-03-08 05:32:41,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:41,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011318654] [2025-03-08 05:32:41,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:41,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:41,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-08 05:32:41,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-08 05:32:41,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:41,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-08 05:32:41,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:41,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011318654] [2025-03-08 05:32:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011318654] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:41,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:41,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:32:41,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945135501] [2025-03-08 05:32:41,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:41,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:32:41,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:41,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:32:41,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:32:41,697 INFO L87 Difference]: Start difference. First operand 1071 states and 1667 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-08 05:32:41,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:41,818 INFO L93 Difference]: Finished difference Result 2111 states and 3293 transitions. [2025-03-08 05:32:41,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 05:32:41,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 166 [2025-03-08 05:32:41,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:41,825 INFO L225 Difference]: With dead ends: 2111 [2025-03-08 05:32:41,825 INFO L226 Difference]: Without dead ends: 1081 [2025-03-08 05:32:41,829 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 05:32:41,829 INFO L435 NwaCegarLoop]: 623 mSDtfsCounter, 5 mSDsluCounter, 3709 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4332 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:32:41,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4332 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:32:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2025-03-08 05:32:41,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1079. [2025-03-08 05:32:41,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 822 states have (on average 1.548661800486618) internal successors, (1273), 840 states have internal predecessors, (1273), 186 states have call successors, (186), 61 states have call predecessors, (186), 70 states have return successors, (220), 183 states have call predecessors, (220), 184 states have call successors, (220) [2025-03-08 05:32:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1679 transitions. [2025-03-08 05:32:41,875 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1679 transitions. Word has length 166 [2025-03-08 05:32:41,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:41,875 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1679 transitions. [2025-03-08 05:32:41,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-08 05:32:41,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1679 transitions. [2025-03-08 05:32:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-03-08 05:32:41,879 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:41,880 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:32:41,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 05:32:41,880 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:41,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1696995416, now seen corresponding path program 1 times [2025-03-08 05:32:41,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:41,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605787399] [2025-03-08 05:32:41,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:41,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:41,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-08 05:32:41,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-08 05:32:41,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:41,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:42,034 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-08 05:32:42,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:42,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605787399] [2025-03-08 05:32:42,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605787399] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:32:42,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232739655] [2025-03-08 05:32:42,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:42,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:32:42,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:32:42,037 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 05:32:42,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 05:32:42,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-08 05:32:42,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-08 05:32:42,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:42,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:42,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:32:42,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:32:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-08 05:32:42,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 05:32:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-08 05:32:42,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232739655] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 05:32:42,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 05:32:42,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2025-03-08 05:32:42,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003889969] [2025-03-08 05:32:42,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 05:32:42,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 05:32:42,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:42,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 05:32:42,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:32:42,439 INFO L87 Difference]: Start difference. First operand 1079 states and 1679 transitions. Second operand has 11 states, 10 states have (on average 17.0) internal successors, (170), 11 states have internal predecessors, (170), 4 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2025-03-08 05:32:42,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:42,989 INFO L93 Difference]: Finished difference Result 2969 states and 4819 transitions. [2025-03-08 05:32:42,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-08 05:32:42,989 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.0) internal successors, (170), 11 states have internal predecessors, (170), 4 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 167 [2025-03-08 05:32:42,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:42,999 INFO L225 Difference]: With dead ends: 2969 [2025-03-08 05:32:42,999 INFO L226 Difference]: Without dead ends: 1943 [2025-03-08 05:32:43,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 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 05:32:43,004 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 1325 mSDsluCounter, 4400 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 5026 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 05:32:43,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 5026 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 05:32:43,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2025-03-08 05:32:43,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1895. [2025-03-08 05:32:43,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1895 states, 1480 states have (on average 1.6114864864864864) internal successors, (2385), 1497 states have internal predecessors, (2385), 344 states have call successors, (344), 62 states have call predecessors, (344), 70 states have return successors, (403), 341 states have call predecessors, (403), 342 states have call successors, (403) [2025-03-08 05:32:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 3132 transitions. [2025-03-08 05:32:43,077 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 3132 transitions. Word has length 167 [2025-03-08 05:32:43,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:43,077 INFO L471 AbstractCegarLoop]: Abstraction has 1895 states and 3132 transitions. [2025-03-08 05:32:43,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.0) internal successors, (170), 11 states have internal predecessors, (170), 4 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2025-03-08 05:32:43,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 3132 transitions. [2025-03-08 05:32:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-08 05:32:43,085 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:43,085 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:43,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-08 05:32:43,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:32:43,290 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:43,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:43,291 INFO L85 PathProgramCache]: Analyzing trace with hash 206677282, now seen corresponding path program 1 times [2025-03-08 05:32:43,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:43,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977547059] [2025-03-08 05:32:43,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:43,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:43,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-08 05:32:43,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-08 05:32:43,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:43,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:43,345 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 05:32:43,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:43,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977547059] [2025-03-08 05:32:43,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977547059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:43,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:43,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:43,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066756050] [2025-03-08 05:32:43,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:43,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:43,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:43,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:43,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:43,347 INFO L87 Difference]: Start difference. First operand 1895 states and 3132 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:43,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:43,440 INFO L93 Difference]: Finished difference Result 4417 states and 7427 transitions. [2025-03-08 05:32:43,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:43,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2025-03-08 05:32:43,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:43,460 INFO L225 Difference]: With dead ends: 4417 [2025-03-08 05:32:43,460 INFO L226 Difference]: Without dead ends: 2667 [2025-03-08 05:32:43,466 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 05:32:43,467 INFO L435 NwaCegarLoop]: 654 mSDtfsCounter, 131 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1281 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 05:32:43,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1281 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2025-03-08 05:32:43,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2651. [2025-03-08 05:32:43,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2078 states have (on average 1.636669874879692) internal successors, (3401), 2095 states have internal predecessors, (3401), 502 states have call successors, (502), 62 states have call predecessors, (502), 70 states have return successors, (586), 499 states have call predecessors, (586), 500 states have call successors, (586) [2025-03-08 05:32:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 4489 transitions. [2025-03-08 05:32:43,576 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 4489 transitions. Word has length 171 [2025-03-08 05:32:43,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:43,576 INFO L471 AbstractCegarLoop]: Abstraction has 2651 states and 4489 transitions. [2025-03-08 05:32:43,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 4489 transitions. [2025-03-08 05:32:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-08 05:32:43,586 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:43,586 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:43,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 05:32:43,587 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:43,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1985599309, now seen corresponding path program 1 times [2025-03-08 05:32:43,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:43,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145396009] [2025-03-08 05:32:43,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:43,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:43,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-08 05:32:43,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-08 05:32:43,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:43,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:43,632 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 05:32:43,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:43,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145396009] [2025-03-08 05:32:43,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145396009] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:43,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:43,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:43,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053967032] [2025-03-08 05:32:43,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:43,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:43,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:43,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:43,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:43,634 INFO L87 Difference]: Start difference. First operand 2651 states and 4489 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:43,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:43,718 INFO L93 Difference]: Finished difference Result 6309 states and 10782 transitions. [2025-03-08 05:32:43,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:43,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 172 [2025-03-08 05:32:43,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:43,742 INFO L225 Difference]: With dead ends: 6309 [2025-03-08 05:32:43,742 INFO L226 Difference]: Without dead ends: 3901 [2025-03-08 05:32:43,751 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 05:32:43,752 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 129 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1264 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 05:32:43,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1264 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3901 states. [2025-03-08 05:32:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3901 to 3885. [2025-03-08 05:32:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3885 states, 3074 states have (on average 1.6515940143135979) internal successors, (5077), 3091 states have internal predecessors, (5077), 740 states have call successors, (740), 62 states have call predecessors, (740), 70 states have return successors, (840), 737 states have call predecessors, (840), 738 states have call successors, (840) [2025-03-08 05:32:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 6657 transitions. [2025-03-08 05:32:43,975 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 6657 transitions. Word has length 172 [2025-03-08 05:32:43,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:43,976 INFO L471 AbstractCegarLoop]: Abstraction has 3885 states and 6657 transitions. [2025-03-08 05:32:43,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 6657 transitions. [2025-03-08 05:32:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-08 05:32:43,993 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:43,994 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:43,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 05:32:43,994 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:43,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:43,994 INFO L85 PathProgramCache]: Analyzing trace with hash 794672355, now seen corresponding path program 1 times [2025-03-08 05:32:43,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:43,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973747651] [2025-03-08 05:32:43,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:43,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:44,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-08 05:32:44,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-08 05:32:44,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:44,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:44,048 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 05:32:44,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:44,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973747651] [2025-03-08 05:32:44,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973747651] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:44,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:44,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092994939] [2025-03-08 05:32:44,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:44,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:44,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:44,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:44,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:44,050 INFO L87 Difference]: Start difference. First operand 3885 states and 6657 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:44,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:44,164 INFO L93 Difference]: Finished difference Result 9177 states and 15878 transitions. [2025-03-08 05:32:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:44,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2025-03-08 05:32:44,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:44,198 INFO L225 Difference]: With dead ends: 9177 [2025-03-08 05:32:44,199 INFO L226 Difference]: Without dead ends: 5791 [2025-03-08 05:32:44,213 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 05:32:44,213 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 127 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1261 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 05:32:44,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1261 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:44,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5791 states. [2025-03-08 05:32:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5791 to 5775. [2025-03-08 05:32:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5775 states, 4640 states have (on average 1.6635775862068964) internal successors, (7719), 4657 states have internal predecessors, (7719), 1064 states have call successors, (1064), 62 states have call predecessors, (1064), 70 states have return successors, (1214), 1061 states have call predecessors, (1214), 1062 states have call successors, (1214) [2025-03-08 05:32:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5775 states to 5775 states and 9997 transitions. [2025-03-08 05:32:44,453 INFO L78 Accepts]: Start accepts. Automaton has 5775 states and 9997 transitions. Word has length 173 [2025-03-08 05:32:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:44,454 INFO L471 AbstractCegarLoop]: Abstraction has 5775 states and 9997 transitions. [2025-03-08 05:32:44,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 5775 states and 9997 transitions. [2025-03-08 05:32:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-08 05:32:44,480 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:44,480 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:44,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 05:32:44,481 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:44,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:44,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1543579156, now seen corresponding path program 1 times [2025-03-08 05:32:44,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:44,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727245808] [2025-03-08 05:32:44,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:44,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:44,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-08 05:32:44,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-08 05:32:44,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:44,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:44,530 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 05:32:44,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:44,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727245808] [2025-03-08 05:32:44,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727245808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:44,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:44,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:44,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090327696] [2025-03-08 05:32:44,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:44,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:44,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:44,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:44,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:44,532 INFO L87 Difference]: Start difference. First operand 5775 states and 9997 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:44,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:44,713 INFO L93 Difference]: Finished difference Result 13701 states and 23932 transitions. [2025-03-08 05:32:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:44,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 174 [2025-03-08 05:32:44,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:44,747 INFO L225 Difference]: With dead ends: 13701 [2025-03-08 05:32:44,747 INFO L226 Difference]: Without dead ends: 8841 [2025-03-08 05:32:44,762 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 05:32:44,763 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 125 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1261 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 05:32:44,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1261 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8841 states. [2025-03-08 05:32:45,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8841 to 8825. [2025-03-08 05:32:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8825 states, 7200 states have (on average 1.6723611111111112) internal successors, (12041), 7217 states have internal predecessors, (12041), 1554 states have call successors, (1554), 62 states have call predecessors, (1554), 70 states have return successors, (1787), 1551 states have call predecessors, (1787), 1552 states have call successors, (1787) [2025-03-08 05:32:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8825 states to 8825 states and 15382 transitions. [2025-03-08 05:32:45,082 INFO L78 Accepts]: Start accepts. Automaton has 8825 states and 15382 transitions. Word has length 174 [2025-03-08 05:32:45,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:45,083 INFO L471 AbstractCegarLoop]: Abstraction has 8825 states and 15382 transitions. [2025-03-08 05:32:45,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 8825 states and 15382 transitions. [2025-03-08 05:32:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-03-08 05:32:45,116 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:45,116 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:45,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 05:32:45,116 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:45,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1629475991, now seen corresponding path program 1 times [2025-03-08 05:32:45,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:45,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718389765] [2025-03-08 05:32:45,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:45,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-08 05:32:45,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-08 05:32:45,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:45,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2025-03-08 05:32:45,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:45,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718389765] [2025-03-08 05:32:45,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718389765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:45,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:45,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:45,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936586824] [2025-03-08 05:32:45,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:45,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:45,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:45,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:45,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:45,172 INFO L87 Difference]: Start difference. First operand 8825 states and 15382 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:45,490 INFO L93 Difference]: Finished difference Result 21777 states and 38215 transitions. [2025-03-08 05:32:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:45,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2025-03-08 05:32:45,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:45,541 INFO L225 Difference]: With dead ends: 21777 [2025-03-08 05:32:45,541 INFO L226 Difference]: Without dead ends: 14339 [2025-03-08 05:32:45,566 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 05:32:45,567 INFO L435 NwaCegarLoop]: 647 mSDtfsCounter, 123 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1279 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 05:32:45,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1279 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14339 states. [2025-03-08 05:32:46,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14339 to 14323. [2025-03-08 05:32:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14323 states, 11712 states have (on average 1.671021174863388) internal successors, (19571), 11729 states have internal predecessors, (19571), 2540 states have call successors, (2540), 62 states have call predecessors, (2540), 70 states have return successors, (2917), 2537 states have call predecessors, (2917), 2538 states have call successors, (2917) [2025-03-08 05:32:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14323 states to 14323 states and 25028 transitions. [2025-03-08 05:32:46,247 INFO L78 Accepts]: Start accepts. Automaton has 14323 states and 25028 transitions. Word has length 194 [2025-03-08 05:32:46,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:46,248 INFO L471 AbstractCegarLoop]: Abstraction has 14323 states and 25028 transitions. [2025-03-08 05:32:46,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 14323 states and 25028 transitions. [2025-03-08 05:32:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-03-08 05:32:46,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:46,294 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:46,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 05:32:46,294 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:46,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:46,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1235371339, now seen corresponding path program 1 times [2025-03-08 05:32:46,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:46,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831416472] [2025-03-08 05:32:46,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:46,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-08 05:32:46,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-08 05:32:46,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:46,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:46,354 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 05:32:46,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:46,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831416472] [2025-03-08 05:32:46,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831416472] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:46,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:46,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:46,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232280208] [2025-03-08 05:32:46,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:46,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:46,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:46,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:46,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:46,356 INFO L87 Difference]: Start difference. First operand 14323 states and 25028 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:46,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:46,766 INFO L93 Difference]: Finished difference Result 36141 states and 63517 transitions. [2025-03-08 05:32:46,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:46,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 176 [2025-03-08 05:32:46,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:46,871 INFO L225 Difference]: With dead ends: 36141 [2025-03-08 05:32:46,871 INFO L226 Difference]: Without dead ends: 23965 [2025-03-08 05:32:46,913 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 05:32:46,914 INFO L435 NwaCegarLoop]: 646 mSDtfsCounter, 121 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1276 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 05:32:46,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1276 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:46,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23965 states. [2025-03-08 05:32:47,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23965 to 23949. [2025-03-08 05:32:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23949 states, 19694 states have (on average 1.6726414136285164) internal successors, (32941), 19711 states have internal predecessors, (32941), 4184 states have call successors, (4184), 62 states have call predecessors, (4184), 70 states have return successors, (4750), 4181 states have call predecessors, (4750), 4182 states have call successors, (4750) [2025-03-08 05:32:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23949 states to 23949 states and 41875 transitions. [2025-03-08 05:32:47,890 INFO L78 Accepts]: Start accepts. Automaton has 23949 states and 41875 transitions. Word has length 176 [2025-03-08 05:32:47,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:47,890 INFO L471 AbstractCegarLoop]: Abstraction has 23949 states and 41875 transitions. [2025-03-08 05:32:47,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:47,891 INFO L276 IsEmpty]: Start isEmpty. Operand 23949 states and 41875 transitions. [2025-03-08 05:32:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-08 05:32:47,964 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:47,964 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:47,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 05:32:47,964 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:47,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:47,964 INFO L85 PathProgramCache]: Analyzing trace with hash 645450742, now seen corresponding path program 1 times [2025-03-08 05:32:47,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:47,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327028324] [2025-03-08 05:32:47,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:47,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:47,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 05:32:47,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 05:32:47,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:47,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2025-03-08 05:32:48,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:48,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327028324] [2025-03-08 05:32:48,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327028324] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:48,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:48,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:48,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232401970] [2025-03-08 05:32:48,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:48,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:48,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:48,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:48,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:48,020 INFO L87 Difference]: Start difference. First operand 23949 states and 41875 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:48,886 INFO L93 Difference]: Finished difference Result 57177 states and 99971 transitions. [2025-03-08 05:32:48,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:48,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2025-03-08 05:32:48,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:49,062 INFO L225 Difference]: With dead ends: 57177 [2025-03-08 05:32:49,063 INFO L226 Difference]: Without dead ends: 37265 [2025-03-08 05:32:49,128 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 05:32:49,129 INFO L435 NwaCegarLoop]: 637 mSDtfsCounter, 119 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1238 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 05:32:49,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1238 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:49,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37265 states. [2025-03-08 05:32:50,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37265 to 37249. [2025-03-08 05:32:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37249 states, 30588 states have (on average 1.650156924284033) internal successors, (50475), 30605 states have internal predecessors, (50475), 6590 states have call successors, (6590), 62 states have call predecessors, (6590), 70 states have return successors, (7581), 6587 states have call predecessors, (7581), 6588 states have call successors, (7581) [2025-03-08 05:32:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37249 states to 37249 states and 64646 transitions. [2025-03-08 05:32:50,659 INFO L78 Accepts]: Start accepts. Automaton has 37249 states and 64646 transitions. Word has length 196 [2025-03-08 05:32:50,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:50,660 INFO L471 AbstractCegarLoop]: Abstraction has 37249 states and 64646 transitions. [2025-03-08 05:32:50,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 37249 states and 64646 transitions. [2025-03-08 05:32:50,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-08 05:32:50,769 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:50,769 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:50,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 05:32:50,769 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:50,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:50,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1357709937, now seen corresponding path program 1 times [2025-03-08 05:32:50,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:50,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954540682] [2025-03-08 05:32:50,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:50,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:50,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-08 05:32:50,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-08 05:32:50,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:50,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2025-03-08 05:32:50,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:50,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954540682] [2025-03-08 05:32:50,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954540682] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:50,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:50,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:50,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047546562] [2025-03-08 05:32:50,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:50,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:50,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:50,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:50,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:50,991 INFO L87 Difference]: Start difference. First operand 37249 states and 64646 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:52,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:52,013 INFO L93 Difference]: Finished difference Result 98371 states and 171460 transitions. [2025-03-08 05:32:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:52,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2025-03-08 05:32:52,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:52,379 INFO L225 Difference]: With dead ends: 98371 [2025-03-08 05:32:52,379 INFO L226 Difference]: Without dead ends: 66369 [2025-03-08 05:32:52,490 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 05:32:52,492 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 117 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1264 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 05:32:52,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1264 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66369 states. [2025-03-08 05:32:55,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66369 to 66353. [2025-03-08 05:32:55,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66353 states, 54792 states have (on average 1.6474850343115783) internal successors, (90269), 54809 states have internal predecessors, (90269), 11490 states have call successors, (11490), 62 states have call predecessors, (11490), 70 states have return successors, (13295), 11487 states have call predecessors, (13295), 11488 states have call successors, (13295) [2025-03-08 05:32:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66353 states to 66353 states and 115054 transitions. [2025-03-08 05:32:55,478 INFO L78 Accepts]: Start accepts. Automaton has 66353 states and 115054 transitions. Word has length 197 [2025-03-08 05:32:55,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:32:55,478 INFO L471 AbstractCegarLoop]: Abstraction has 66353 states and 115054 transitions. [2025-03-08 05:32:55,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:32:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 66353 states and 115054 transitions. [2025-03-08 05:32:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-03-08 05:32:55,683 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:32:55,684 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:55,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-08 05:32:55,684 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:32:55,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:32:55,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2111745434, now seen corresponding path program 1 times [2025-03-08 05:32:55,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:32:55,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633531583] [2025-03-08 05:32:55,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:32:55,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:32:55,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-08 05:32:55,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-08 05:32:55,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:32:55,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:32:55,749 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 05:32:55,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:32:55,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633531583] [2025-03-08 05:32:55,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633531583] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:32:55,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:32:55,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:32:55,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270114977] [2025-03-08 05:32:55,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:32:55,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:32:55,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:32:55,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:32:55,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:32:55,751 INFO L87 Difference]: Start difference. First operand 66353 states and 115054 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:32:58,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:32:58,683 INFO L93 Difference]: Finished difference Result 180885 states and 314184 transitions. [2025-03-08 05:32:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:32:58,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 179 [2025-03-08 05:32:58,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:32:59,198 INFO L225 Difference]: With dead ends: 180885 [2025-03-08 05:32:59,198 INFO L226 Difference]: Without dead ends: 121519 [2025-03-08 05:32:59,360 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 05:32:59,361 INFO L435 NwaCegarLoop]: 642 mSDtfsCounter, 115 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1272 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 05:32:59,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1272 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:32:59,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121519 states. [2025-03-08 05:33:03,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121519 to 121503. [2025-03-08 05:33:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121503 states, 100916 states have (on average 1.6434955804827778) internal successors, (165855), 100933 states have internal predecessors, (165855), 20516 states have call successors, (20516), 62 states have call predecessors, (20516), 70 states have return successors, (23385), 20513 states have call predecessors, (23385), 20514 states have call successors, (23385) [2025-03-08 05:33:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121503 states to 121503 states and 209756 transitions. [2025-03-08 05:33:03,668 INFO L78 Accepts]: Start accepts. Automaton has 121503 states and 209756 transitions. Word has length 179 [2025-03-08 05:33:03,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:03,668 INFO L471 AbstractCegarLoop]: Abstraction has 121503 states and 209756 transitions. [2025-03-08 05:33:03,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 05:33:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 121503 states and 209756 transitions. [2025-03-08 05:33:03,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-08 05:33:03,966 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:03,966 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:03,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-08 05:33:03,966 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:03,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:03,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1426404846, now seen corresponding path program 1 times [2025-03-08 05:33:03,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:03,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598124582] [2025-03-08 05:33:03,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:03,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:03,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-03-08 05:33:03,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-03-08 05:33:03,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:03,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2025-03-08 05:33:04,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:04,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598124582] [2025-03-08 05:33:04,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598124582] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:04,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:04,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:33:04,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012539503] [2025-03-08 05:33:04,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:04,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:33:04,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:04,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:33:04,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:33:04,018 INFO L87 Difference]: Start difference. First operand 121503 states and 209756 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 05:33:08,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:08,638 INFO L93 Difference]: Finished difference Result 227573 states and 393733 transitions. [2025-03-08 05:33:08,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:33:08,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 199 [2025-03-08 05:33:08,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:09,478 INFO L225 Difference]: With dead ends: 227573 [2025-03-08 05:33:09,478 INFO L226 Difference]: Without dead ends: 227023 [2025-03-08 05:33:09,570 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 05:33:09,572 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 110 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1278 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 05:33:09,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1278 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:09,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227023 states.