./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2214b99fc6848bca0f24e9e72f44d1848092675b0f72a15c952711ed7656fcb1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 14:56:46,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 14:56:46,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 14:56:46,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 14:56:46,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 14:56:46,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 14:56:46,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 14:56:46,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 14:56:46,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 14:56:46,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 14:56:46,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 14:56:46,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 14:56:46,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 14:56:46,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 14:56:46,636 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 14:56:46,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 14:56:46,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 14:56:46,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 14:56:46,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 14:56:46,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 14:56:46,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 14:56:46,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 14:56:46,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 14:56:46,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 14:56:46,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 14:56:46,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 14:56:46,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 14:56:46,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 14:56:46,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 14:56:46,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 14:56:46,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 14:56:46,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 14:56:46,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:56:46,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 14:56:46,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 14:56:46,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 14:56:46,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 14:56:46,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 14:56:46,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 14:56:46,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 14:56:46,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 14:56:46,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 14:56:46,646 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2214b99fc6848bca0f24e9e72f44d1848092675b0f72a15c952711ed7656fcb1 [2024-11-08 14:56:46,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 14:56:46,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 14:56:46,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 14:56:46,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 14:56:46,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 14:56:46,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2024-11-08 14:56:48,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 14:56:48,307 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 14:56:48,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product26.cil.c [2024-11-08 14:56:48,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0345e7a4/8adbaba32c914ba9b4c3ee625ea5a083/FLAGfa3f9e4fa [2024-11-08 14:56:48,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0345e7a4/8adbaba32c914ba9b4c3ee625ea5a083 [2024-11-08 14:56:48,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 14:56:48,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 14:56:48,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 14:56:48,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 14:56:48,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 14:56:48,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:48,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456addac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48, skipping insertion in model container [2024-11-08 14:56:48,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:48,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 14:56:48,858 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_spec0_product26.cil.c[63882,63895] [2024-11-08 14:56:48,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:56:48,875 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 14:56:48,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-08 14:56:48,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [424] [2024-11-08 14:56:48,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [828] [2024-11-08 14:56:48,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1152] [2024-11-08 14:56:48,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1374] [2024-11-08 14:56:48,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1477] [2024-11-08 14:56:48,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1512] [2024-11-08 14:56:48,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2572] [2024-11-08 14:56:48,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2592] [2024-11-08 14:56:48,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2958] [2024-11-08 14:56:48,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2975] [2024-11-08 14:56:48,950 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_spec0_product26.cil.c[63882,63895] [2024-11-08 14:56:48,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 14:56:48,976 INFO L204 MainTranslator]: Completed translation [2024-11-08 14:56:48,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48 WrapperNode [2024-11-08 14:56:48,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 14:56:48,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 14:56:48,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 14:56:48,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 14:56:48,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,062 INFO L138 Inliner]: procedures = 131, calls = 204, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1089 [2024-11-08 14:56:49,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 14:56:49,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 14:56:49,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 14:56:49,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 14:56:49,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,123 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 14:56:49,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 14:56:49,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 14:56:49,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 14:56:49,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 14:56:49,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (1/1) ... [2024-11-08 14:56:49,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 14:56:49,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:56:49,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 14:56:49,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 14:56:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 14:56:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 14:56:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 14:56:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 14:56:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 14:56:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 14:56:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 14:56:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 14:56:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 14:56:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 14:56:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 14:56:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 14:56:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 14:56:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 14:56:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 14:56:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 14:56:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 14:56:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 14:56:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 14:56:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 14:56:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 14:56:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 14:56:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 14:56:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 14:56:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-08 14:56:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-08 14:56:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 14:56:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 14:56:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 14:56:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 14:56:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 14:56:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 14:56:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 14:56:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 14:56:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 14:56:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 14:56:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 14:56:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 14:56:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 14:56:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 14:56:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 14:56:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 14:56:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 14:56:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 14:56:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 14:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 14:56:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 14:56:49,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 14:56:49,459 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 14:56:50,179 INFO L? ?]: Removed 537 outVars from TransFormulas that were not future-live. [2024-11-08 14:56:50,180 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 14:56:50,204 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 14:56:50,204 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 14:56:50,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:56:50 BoogieIcfgContainer [2024-11-08 14:56:50,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 14:56:50,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 14:56:50,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 14:56:50,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 14:56:50,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 02:56:48" (1/3) ... [2024-11-08 14:56:50,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2ca3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:56:50, skipping insertion in model container [2024-11-08 14:56:50,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 02:56:48" (2/3) ... [2024-11-08 14:56:50,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2ca3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 02:56:50, skipping insertion in model container [2024-11-08 14:56:50,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 02:56:50" (3/3) ... [2024-11-08 14:56:50,211 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2024-11-08 14:56:50,225 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 14:56:50,225 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 14:56:50,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 14:56:50,298 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;@54f0d905, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 14:56:50,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 14:56:50,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 400 states, 312 states have (on average 1.560897435897436) internal successors, (487), 317 states have internal predecessors, (487), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 14:56:50,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 14:56:50,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:56:50,329 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:56:50,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:56:50,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:56:50,333 INFO L85 PathProgramCache]: Analyzing trace with hash -734871692, now seen corresponding path program 1 times [2024-11-08 14:56:50,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:56:50,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017015782] [2024-11-08 14:56:50,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:50,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:56:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:56:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:56:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:56:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:56:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:56:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:56:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 14:56:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 14:56:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:56:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:56:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:56:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:56:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:56:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:50,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 14:56:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 14:56:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 14:56:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 14:56:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:56:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 14:56:51,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:56:51,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017015782] [2024-11-08 14:56:51,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017015782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:56:51,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614932914] [2024-11-08 14:56:51,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:51,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:56:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:56:51,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:56:51,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 14:56:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 14:56:51,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:56:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 14:56:51,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:56:51,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614932914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:56:51,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:56:51,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 14:56:51,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34821320] [2024-11-08 14:56:51,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:56:51,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 14:56:51,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:56:51,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 14:56:51,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:56:51,370 INFO L87 Difference]: Start difference. First operand has 400 states, 312 states have (on average 1.560897435897436) internal successors, (487), 317 states have internal predecessors, (487), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:56:51,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:56:51,434 INFO L93 Difference]: Finished difference Result 602 states and 904 transitions. [2024-11-08 14:56:51,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 14:56:51,439 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-08 14:56:51,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:56:51,450 INFO L225 Difference]: With dead ends: 602 [2024-11-08 14:56:51,452 INFO L226 Difference]: Without dead ends: 393 [2024-11-08 14:56:51,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:56:51,461 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:56:51,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:56:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-08 14:56:51,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-11-08 14:56:51,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 306 states have (on average 1.5555555555555556) internal successors, (476), 310 states have internal predecessors, (476), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-08 14:56:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 599 transitions. [2024-11-08 14:56:51,522 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 599 transitions. Word has length 147 [2024-11-08 14:56:51,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:56:51,525 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 599 transitions. [2024-11-08 14:56:51,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:56:51,526 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 599 transitions. [2024-11-08 14:56:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 14:56:51,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:56:51,531 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:56:51,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 14:56:51,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 14:56:51,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:56:51,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:56:51,732 INFO L85 PathProgramCache]: Analyzing trace with hash 125672812, now seen corresponding path program 1 times [2024-11-08 14:56:51,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:56:51,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629041622] [2024-11-08 14:56:51,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:51,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:56:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:56:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:56:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:56:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:56:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:56:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:56:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 14:56:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 14:56:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:56:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:56:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:56:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:56:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 14:56:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 14:56:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:56:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 14:56:51,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:56:51,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629041622] [2024-11-08 14:56:51,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629041622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:56:51,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081499739] [2024-11-08 14:56:51,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:51,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:56:51,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:56:51,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:56:51,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 14:56:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 14:56:52,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:56:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 14:56:52,238 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:56:52,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081499739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:56:52,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:56:52,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 14:56:52,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079592366] [2024-11-08 14:56:52,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:56:52,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:56:52,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:56:52,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:56:52,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:56:52,242 INFO L87 Difference]: Start difference. First operand 393 states and 599 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:56:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:56:52,267 INFO L93 Difference]: Finished difference Result 592 states and 882 transitions. [2024-11-08 14:56:52,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:56:52,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2024-11-08 14:56:52,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:56:52,273 INFO L225 Difference]: With dead ends: 592 [2024-11-08 14:56:52,273 INFO L226 Difference]: Without dead ends: 396 [2024-11-08 14:56:52,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:56:52,275 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 1 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:56:52,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1192 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:56:52,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-08 14:56:52,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2024-11-08 14:56:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 308 states have (on average 1.551948051948052) internal successors, (478), 312 states have internal predecessors, (478), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-08 14:56:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 601 transitions. [2024-11-08 14:56:52,306 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 601 transitions. Word has length 129 [2024-11-08 14:56:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:56:52,308 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 601 transitions. [2024-11-08 14:56:52,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:56:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 601 transitions. [2024-11-08 14:56:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 14:56:52,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:56:52,310 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:56:52,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 14:56:52,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 14:56:52,516 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:56:52,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:56:52,517 INFO L85 PathProgramCache]: Analyzing trace with hash -229734979, now seen corresponding path program 1 times [2024-11-08 14:56:52,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:56:52,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909122414] [2024-11-08 14:56:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:56:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:56:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:56:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:56:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:56:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:56:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:56:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 14:56:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:56:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:56:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:56:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 14:56:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 14:56:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:56:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 14:56:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 14:56:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 14:56:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 14:56:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:56:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 14:56:52,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:56:52,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909122414] [2024-11-08 14:56:52,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909122414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:56:52,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396198234] [2024-11-08 14:56:52,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:52,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:56:52,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:56:52,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:56:52,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 14:56:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:52,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 14:56:53,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:56:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 14:56:53,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:56:53,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396198234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:56:53,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:56:53,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 14:56:53,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363523902] [2024-11-08 14:56:53,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:56:53,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 14:56:53,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:56:53,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 14:56:53,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:56:53,047 INFO L87 Difference]: Start difference. First operand 395 states and 601 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:56:53,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:56:53,090 INFO L93 Difference]: Finished difference Result 843 states and 1302 transitions. [2024-11-08 14:56:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 14:56:53,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-11-08 14:56:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:56:53,095 INFO L225 Difference]: With dead ends: 843 [2024-11-08 14:56:53,095 INFO L226 Difference]: Without dead ends: 475 [2024-11-08 14:56:53,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 14:56:53,097 INFO L432 NwaCegarLoop]: 620 mSDtfsCounter, 142 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:56:53,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1173 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:56:53,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-08 14:56:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 467. [2024-11-08 14:56:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 366 states have (on average 1.5710382513661203) internal successors, (575), 370 states have internal predecessors, (575), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-08 14:56:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 726 transitions. [2024-11-08 14:56:53,126 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 726 transitions. Word has length 157 [2024-11-08 14:56:53,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:56:53,127 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 726 transitions. [2024-11-08 14:56:53,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:56:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 726 transitions. [2024-11-08 14:56:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 14:56:53,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:56:53,131 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:56:53,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 14:56:53,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:56:53,332 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:56:53,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:56:53,333 INFO L85 PathProgramCache]: Analyzing trace with hash 94477727, now seen corresponding path program 1 times [2024-11-08 14:56:53,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:56:53,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470534483] [2024-11-08 14:56:53,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:53,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:56:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:56:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:56:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:56:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 14:56:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 14:56:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 14:56:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 14:56:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 14:56:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:56:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:56:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:56:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:56:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 14:56:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 14:56:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:56:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 14:56:53,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:56:53,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470534483] [2024-11-08 14:56:53,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470534483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:56:53,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144866638] [2024-11-08 14:56:53,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:53,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:56:53,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:56:53,522 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:56:53,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 14:56:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:53,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 14:56:53,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:56:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 14:56:53,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:56:53,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144866638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:56:53,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:56:53,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 14:56:53,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921021906] [2024-11-08 14:56:53,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:56:53,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:56:53,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:56:53,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:56:53,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:56:53,841 INFO L87 Difference]: Start difference. First operand 467 states and 726 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 14:56:53,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:56:53,892 INFO L93 Difference]: Finished difference Result 925 states and 1442 transitions. [2024-11-08 14:56:53,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 14:56:53,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 139 [2024-11-08 14:56:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:56:53,895 INFO L225 Difference]: With dead ends: 925 [2024-11-08 14:56:53,895 INFO L226 Difference]: Without dead ends: 469 [2024-11-08 14:56:53,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:56:53,900 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 2 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:56:53,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2353 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:56:53,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-08 14:56:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-08 14:56:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 367 states have (on average 1.569482288828338) internal successors, (576), 372 states have internal predecessors, (576), 76 states have call successors, (76), 24 states have call predecessors, (76), 25 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2024-11-08 14:56:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 729 transitions. [2024-11-08 14:56:53,915 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 729 transitions. Word has length 139 [2024-11-08 14:56:53,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:56:53,915 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 729 transitions. [2024-11-08 14:56:53,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 14:56:53,915 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 729 transitions. [2024-11-08 14:56:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 14:56:53,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:56:53,917 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:56:53,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 14:56:54,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:56:54,119 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:56:54,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:56:54,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1815698693, now seen corresponding path program 1 times [2024-11-08 14:56:54,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:56:54,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906492111] [2024-11-08 14:56:54,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:54,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:56:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:56:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:56:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:56:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:56:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 14:56:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 14:56:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 14:56:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 14:56:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:56:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:56:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:56:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:56:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 14:56:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 14:56:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 14:56:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 14:56:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 14:56:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:56:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 14:56:54,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:56:54,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906492111] [2024-11-08 14:56:54,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906492111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:56:54,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467153926] [2024-11-08 14:56:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:54,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:56:54,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:56:54,336 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:56:54,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 14:56:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:54,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 14:56:54,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:56:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-08 14:56:54,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:56:54,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467153926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:56:54,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:56:54,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 14:56:54,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007440758] [2024-11-08 14:56:54,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:56:54,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 14:56:54,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:56:54,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 14:56:54,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:56:54,659 INFO L87 Difference]: Start difference. First operand 469 states and 729 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 14:56:54,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:56:54,712 INFO L93 Difference]: Finished difference Result 927 states and 1447 transitions. [2024-11-08 14:56:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 14:56:54,712 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 159 [2024-11-08 14:56:54,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:56:54,714 INFO L225 Difference]: With dead ends: 927 [2024-11-08 14:56:54,715 INFO L226 Difference]: Without dead ends: 471 [2024-11-08 14:56:54,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:56:54,718 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 2 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:56:54,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2339 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 14:56:54,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-08 14:56:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-08 14:56:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 368 states have (on average 1.5679347826086956) internal successors, (577), 374 states have internal predecessors, (577), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-08 14:56:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 735 transitions. [2024-11-08 14:56:54,736 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 735 transitions. Word has length 159 [2024-11-08 14:56:54,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:56:54,738 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 735 transitions. [2024-11-08 14:56:54,738 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 14:56:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 735 transitions. [2024-11-08 14:56:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 14:56:54,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:56:54,740 INFO L215 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] [2024-11-08 14:56:54,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 14:56:54,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:56:54,941 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:56:54,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:56:54,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2127844731, now seen corresponding path program 1 times [2024-11-08 14:56:54,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:56:54,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406477274] [2024-11-08 14:56:54,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:56:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:56:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:56:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:56:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:56:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:56:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 14:56:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 14:56:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 14:56:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 14:56:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:56:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:56:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 14:56:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 14:56:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 14:56:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:56:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 14:56:55,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:56:55,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406477274] [2024-11-08 14:56:55,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406477274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:56:55,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:56:55,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:56:55,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356275089] [2024-11-08 14:56:55,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:56:55,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:56:55,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:56:55,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:56:55,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:56:55,131 INFO L87 Difference]: Start difference. First operand 471 states and 735 transitions. Second operand has 9 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 14:56:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:56:57,058 INFO L93 Difference]: Finished difference Result 1111 states and 1758 transitions. [2024-11-08 14:56:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 14:56:57,058 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 141 [2024-11-08 14:56:57,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:56:57,063 INFO L225 Difference]: With dead ends: 1111 [2024-11-08 14:56:57,063 INFO L226 Difference]: Without dead ends: 663 [2024-11-08 14:56:57,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 14:56:57,065 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1397 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 3264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 14:56:57,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 1401 Invalid, 3264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [528 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 14:56:57,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-08 14:56:57,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 471. [2024-11-08 14:56:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 368 states have (on average 1.5679347826086956) internal successors, (577), 374 states have internal predecessors, (577), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2024-11-08 14:56:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 734 transitions. [2024-11-08 14:56:57,102 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 734 transitions. Word has length 141 [2024-11-08 14:56:57,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:56:57,103 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 734 transitions. [2024-11-08 14:56:57,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 14:56:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 734 transitions. [2024-11-08 14:56:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-08 14:56:57,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:56:57,105 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:56:57,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 14:56:57,105 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:56:57,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:56:57,106 INFO L85 PathProgramCache]: Analyzing trace with hash -90826687, now seen corresponding path program 1 times [2024-11-08 14:56:57,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:56:57,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928635786] [2024-11-08 14:56:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:56:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:56:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:56:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:56:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:56:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:56:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 14:56:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 14:56:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 14:56:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:56:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:56:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:56:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:56:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 14:56:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 14:56:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 14:56:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 14:56:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 14:56:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:56:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 14:56:57,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:56:57,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928635786] [2024-11-08 14:56:57,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928635786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:56:57,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:56:57,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 14:56:57,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751000716] [2024-11-08 14:56:57,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:56:57,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 14:56:57,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:56:57,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 14:56:57,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 14:56:57,307 INFO L87 Difference]: Start difference. First operand 471 states and 734 transitions. Second operand has 9 states, 8 states have (on average 12.375) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 14:56:59,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:56:59,126 INFO L93 Difference]: Finished difference Result 1113 states and 1761 transitions. [2024-11-08 14:56:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 14:56:59,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.375) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 161 [2024-11-08 14:56:59,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:56:59,130 INFO L225 Difference]: With dead ends: 1113 [2024-11-08 14:56:59,130 INFO L226 Difference]: Without dead ends: 665 [2024-11-08 14:56:59,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 14:56:59,139 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1369 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 3316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 2825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:56:59,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 1402 Invalid, 3316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 2825 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 14:56:59,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-08 14:56:59,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 473. [2024-11-08 14:56:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 369 states have (on average 1.5663956639566397) internal successors, (578), 376 states have internal predecessors, (578), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-08 14:56:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 737 transitions. [2024-11-08 14:56:59,169 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 737 transitions. Word has length 161 [2024-11-08 14:56:59,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:56:59,170 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 737 transitions. [2024-11-08 14:56:59,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.375) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 14:56:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 737 transitions. [2024-11-08 14:56:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 14:56:59,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:56:59,173 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:56:59,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 14:56:59,173 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:56:59,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:56:59,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1422901144, now seen corresponding path program 1 times [2024-11-08 14:56:59,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:56:59,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376822670] [2024-11-08 14:56:59,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:56:59,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:56:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:56:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:56:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:56:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:56:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:56:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:56:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 14:56:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 14:56:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:56:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:56:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:56:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 14:56:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 14:56:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 14:56:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 14:56:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 14:56:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 14:56:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:56:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:56:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 14:56:59,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:56:59,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376822670] [2024-11-08 14:56:59,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376822670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:56:59,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:56:59,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 14:56:59,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693985443] [2024-11-08 14:56:59,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:56:59,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 14:56:59,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:56:59,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 14:56:59,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:56:59,399 INFO L87 Difference]: Start difference. First operand 473 states and 737 transitions. Second operand has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 14:57:01,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:01,552 INFO L93 Difference]: Finished difference Result 1111 states and 1756 transitions. [2024-11-08 14:57:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 14:57:01,553 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 162 [2024-11-08 14:57:01,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:01,556 INFO L225 Difference]: With dead ends: 1111 [2024-11-08 14:57:01,556 INFO L226 Difference]: Without dead ends: 665 [2024-11-08 14:57:01,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 14:57:01,558 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1367 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 4603 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 5103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 4603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:01,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1943 Invalid, 5103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 4603 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 14:57:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-08 14:57:01,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 473. [2024-11-08 14:57:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 369 states have (on average 1.5663956639566397) internal successors, (578), 376 states have internal predecessors, (578), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-11-08 14:57:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 736 transitions. [2024-11-08 14:57:01,588 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 736 transitions. Word has length 162 [2024-11-08 14:57:01,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:01,590 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 736 transitions. [2024-11-08 14:57:01,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-08 14:57:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 736 transitions. [2024-11-08 14:57:01,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 14:57:01,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:01,592 INFO L215 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] [2024-11-08 14:57:01,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 14:57:01,592 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:01,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:01,592 INFO L85 PathProgramCache]: Analyzing trace with hash -58386966, now seen corresponding path program 1 times [2024-11-08 14:57:01,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:01,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789194525] [2024-11-08 14:57:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:01,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 14:57:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 14:57:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:57:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 14:57:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:57:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 14:57:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 14:57:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 14:57:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 14:57:01,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:01,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789194525] [2024-11-08 14:57:01,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789194525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:01,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:01,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 14:57:01,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659585233] [2024-11-08 14:57:01,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:01,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 14:57:01,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:01,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 14:57:01,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 14:57:01,826 INFO L87 Difference]: Start difference. First operand 473 states and 736 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 14:57:04,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:04,003 INFO L93 Difference]: Finished difference Result 1113 states and 1762 transitions. [2024-11-08 14:57:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 14:57:04,004 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 144 [2024-11-08 14:57:04,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:04,007 INFO L225 Difference]: With dead ends: 1113 [2024-11-08 14:57:04,007 INFO L226 Difference]: Without dead ends: 667 [2024-11-08 14:57:04,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 14:57:04,009 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1335 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 5265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 4775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:04,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 1945 Invalid, 5265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 14:57:04,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-08 14:57:04,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 475. [2024-11-08 14:57:04,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 370 states have (on average 1.5648648648648649) internal successors, (579), 378 states have internal predecessors, (579), 76 states have call successors, (76), 24 states have call predecessors, (76), 28 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2024-11-08 14:57:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 742 transitions. [2024-11-08 14:57:04,035 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 742 transitions. Word has length 144 [2024-11-08 14:57:04,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:04,036 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 742 transitions. [2024-11-08 14:57:04,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-08 14:57:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 742 transitions. [2024-11-08 14:57:04,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 14:57:04,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:04,039 INFO L215 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] [2024-11-08 14:57:04,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 14:57:04,039 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:04,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:04,039 INFO L85 PathProgramCache]: Analyzing trace with hash 2064063877, now seen corresponding path program 1 times [2024-11-08 14:57:04,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:04,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659076785] [2024-11-08 14:57:04,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:04,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 14:57:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:57:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:57:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:57:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:57:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 14:57:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 14:57:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 14:57:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 14:57:04,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:04,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659076785] [2024-11-08 14:57:04,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659076785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:57:04,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956532385] [2024-11-08 14:57:04,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:04,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:57:04,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:57:04,235 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:57:04,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 14:57:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:04,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 14:57:04,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:57:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:04,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 14:57:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956532385] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 14:57:04,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 14:57:04,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 14:57:04,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850977662] [2024-11-08 14:57:04,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 14:57:04,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 14:57:04,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:04,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 14:57:04,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 14:57:04,617 INFO L87 Difference]: Start difference. First operand 475 states and 742 transitions. Second operand has 15 states, 14 states have (on average 10.785714285714286) internal successors, (151), 11 states have internal predecessors, (151), 4 states have call successors, (37), 6 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 14:57:07,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:07,085 INFO L93 Difference]: Finished difference Result 1578 states and 2599 transitions. [2024-11-08 14:57:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 14:57:07,085 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.785714285714286) internal successors, (151), 11 states have internal predecessors, (151), 4 states have call successors, (37), 6 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 145 [2024-11-08 14:57:07,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:07,090 INFO L225 Difference]: With dead ends: 1578 [2024-11-08 14:57:07,091 INFO L226 Difference]: Without dead ends: 1134 [2024-11-08 14:57:07,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 14:57:07,093 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 2741 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 5171 mSolverCounterSat, 895 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 6066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 895 IncrementalHoareTripleChecker+Valid, 5171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:07,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 2155 Invalid, 6066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [895 Valid, 5171 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 14:57:07,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2024-11-08 14:57:07,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 918. [2024-11-08 14:57:07,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 734 states have (on average 1.6144414168937329) internal successors, (1185), 742 states have internal predecessors, (1185), 155 states have call successors, (155), 24 states have call predecessors, (155), 28 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2024-11-08 14:57:07,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1516 transitions. [2024-11-08 14:57:07,146 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1516 transitions. Word has length 145 [2024-11-08 14:57:07,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:07,146 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1516 transitions. [2024-11-08 14:57:07,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.785714285714286) internal successors, (151), 11 states have internal predecessors, (151), 4 states have call successors, (37), 6 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 14:57:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1516 transitions. [2024-11-08 14:57:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 14:57:07,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:07,150 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:07,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 14:57:07,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:57:07,351 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:07,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1029624764, now seen corresponding path program 1 times [2024-11-08 14:57:07,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:07,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222468598] [2024-11-08 14:57:07,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:07,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 14:57:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:57:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:57:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:57:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 14:57:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 14:57:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 14:57:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 14:57:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:07,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:07,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222468598] [2024-11-08 14:57:07,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222468598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:07,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:07,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:07,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218617406] [2024-11-08 14:57:07,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:07,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:07,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:07,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:07,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:07,463 INFO L87 Difference]: Start difference. First operand 918 states and 1516 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:08,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:08,600 INFO L93 Difference]: Finished difference Result 2373 states and 4008 transitions. [2024-11-08 14:57:08,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:08,601 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 148 [2024-11-08 14:57:08,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:08,607 INFO L225 Difference]: With dead ends: 2373 [2024-11-08 14:57:08,607 INFO L226 Difference]: Without dead ends: 1533 [2024-11-08 14:57:08,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:08,609 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1531 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:08,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 1047 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:57:08,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2024-11-08 14:57:08,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1333. [2024-11-08 14:57:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1070 states have (on average 1.6308411214953271) internal successors, (1745), 1078 states have internal predecessors, (1745), 234 states have call successors, (234), 24 states have call predecessors, (234), 28 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2024-11-08 14:57:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 2244 transitions. [2024-11-08 14:57:08,658 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 2244 transitions. Word has length 148 [2024-11-08 14:57:08,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:08,658 INFO L471 AbstractCegarLoop]: Abstraction has 1333 states and 2244 transitions. [2024-11-08 14:57:08,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:08,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2244 transitions. [2024-11-08 14:57:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-08 14:57:08,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:08,664 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:08,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 14:57:08,664 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:08,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1534638511, now seen corresponding path program 1 times [2024-11-08 14:57:08,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:08,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154279705] [2024-11-08 14:57:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:08,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 14:57:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:57:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:57:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:57:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:57:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 14:57:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 14:57:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 14:57:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 14:57:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 14:57:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 14:57:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 14:57:08,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:08,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154279705] [2024-11-08 14:57:08,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154279705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:08,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:08,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:08,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654489619] [2024-11-08 14:57:08,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:08,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:08,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:08,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:08,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:08,759 INFO L87 Difference]: Start difference. First operand 1333 states and 2244 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:57:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:09,944 INFO L93 Difference]: Finished difference Result 3412 states and 5821 transitions. [2024-11-08 14:57:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:09,945 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2024-11-08 14:57:09,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:09,954 INFO L225 Difference]: With dead ends: 3412 [2024-11-08 14:57:09,954 INFO L226 Difference]: Without dead ends: 2210 [2024-11-08 14:57:09,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:09,958 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1512 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:09,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 1025 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [598 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:57:09,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2024-11-08 14:57:10,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2010. [2024-11-08 14:57:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2010 states, 1628 states have (on average 1.6382063882063882) internal successors, (2667), 1636 states have internal predecessors, (2667), 353 states have call successors, (353), 24 states have call predecessors, (353), 28 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2024-11-08 14:57:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 3404 transitions. [2024-11-08 14:57:10,034 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 3404 transitions. Word has length 168 [2024-11-08 14:57:10,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:10,034 INFO L471 AbstractCegarLoop]: Abstraction has 2010 states and 3404 transitions. [2024-11-08 14:57:10,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:57:10,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 3404 transitions. [2024-11-08 14:57:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 14:57:10,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:10,042 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:10,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 14:57:10,042 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:10,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:10,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2065922126, now seen corresponding path program 1 times [2024-11-08 14:57:10,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:10,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62188778] [2024-11-08 14:57:10,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:10,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 14:57:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 14:57:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 14:57:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 14:57:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 14:57:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 14:57:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 14:57:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 14:57:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:10,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:10,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62188778] [2024-11-08 14:57:10,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62188778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:10,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:10,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:10,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740125178] [2024-11-08 14:57:10,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:10,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:10,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:10,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:10,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:10,146 INFO L87 Difference]: Start difference. First operand 2010 states and 3404 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:11,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:11,428 INFO L93 Difference]: Finished difference Result 4997 states and 8600 transitions. [2024-11-08 14:57:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:11,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 150 [2024-11-08 14:57:11,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:11,441 INFO L225 Difference]: With dead ends: 4997 [2024-11-08 14:57:11,441 INFO L226 Difference]: Without dead ends: 3253 [2024-11-08 14:57:11,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:11,445 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1473 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 540 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:11,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 1023 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [540 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 14:57:11,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2024-11-08 14:57:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 3053. [2024-11-08 14:57:11,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 2509 states have (on average 1.6440813072937426) internal successors, (4125), 2517 states have internal predecessors, (4125), 515 states have call successors, (515), 24 states have call predecessors, (515), 28 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2024-11-08 14:57:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 5202 transitions. [2024-11-08 14:57:11,533 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 5202 transitions. Word has length 150 [2024-11-08 14:57:11,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:11,534 INFO L471 AbstractCegarLoop]: Abstraction has 3053 states and 5202 transitions. [2024-11-08 14:57:11,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 5202 transitions. [2024-11-08 14:57:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-08 14:57:11,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:11,544 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:11,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 14:57:11,545 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:11,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:11,545 INFO L85 PathProgramCache]: Analyzing trace with hash 742227312, now seen corresponding path program 1 times [2024-11-08 14:57:11,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:11,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67856696] [2024-11-08 14:57:11,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:11,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 14:57:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:57:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 14:57:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 14:57:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:57:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 14:57:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 14:57:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 14:57:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 14:57:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 14:57:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 14:57:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 14:57:11,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:11,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67856696] [2024-11-08 14:57:11,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67856696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:11,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:11,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:11,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493355726] [2024-11-08 14:57:11,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:11,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:11,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:11,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:11,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:11,637 INFO L87 Difference]: Start difference. First operand 3053 states and 5202 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:57:12,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:12,811 INFO L93 Difference]: Finished difference Result 7511 states and 13015 transitions. [2024-11-08 14:57:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:12,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 170 [2024-11-08 14:57:12,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:12,832 INFO L225 Difference]: With dead ends: 7511 [2024-11-08 14:57:12,832 INFO L226 Difference]: Without dead ends: 4943 [2024-11-08 14:57:12,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:12,840 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1552 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 581 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 581 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:12,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 1024 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [581 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:57:12,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4943 states. [2024-11-08 14:57:13,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4943 to 4743. [2024-11-08 14:57:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4743 states, 3954 states have (on average 1.6482043500252908) internal successors, (6517), 3962 states have internal predecessors, (6517), 760 states have call successors, (760), 24 states have call predecessors, (760), 28 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2024-11-08 14:57:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 4743 states and 8110 transitions. [2024-11-08 14:57:13,044 INFO L78 Accepts]: Start accepts. Automaton has 4743 states and 8110 transitions. Word has length 170 [2024-11-08 14:57:13,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:13,044 INFO L471 AbstractCegarLoop]: Abstraction has 4743 states and 8110 transitions. [2024-11-08 14:57:13,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:57:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 4743 states and 8110 transitions. [2024-11-08 14:57:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 14:57:13,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:13,059 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:13,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 14:57:13,059 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:13,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:13,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1176646670, now seen corresponding path program 1 times [2024-11-08 14:57:13,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:13,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105224800] [2024-11-08 14:57:13,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:13,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 14:57:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:57:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 14:57:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 14:57:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 14:57:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 14:57:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 14:57:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 14:57:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:13,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:13,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105224800] [2024-11-08 14:57:13,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105224800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:13,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:13,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:13,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020449802] [2024-11-08 14:57:13,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:13,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:13,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:13,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:13,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:13,151 INFO L87 Difference]: Start difference. First operand 4743 states and 8110 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:14,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:14,402 INFO L93 Difference]: Finished difference Result 11712 states and 20392 transitions. [2024-11-08 14:57:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:14,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 152 [2024-11-08 14:57:14,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:14,432 INFO L225 Difference]: With dead ends: 11712 [2024-11-08 14:57:14,432 INFO L226 Difference]: Without dead ends: 7786 [2024-11-08 14:57:14,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:14,444 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 1487 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 578 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 578 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:14,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 1041 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [578 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:57:14,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7786 states. [2024-11-08 14:57:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7786 to 7586. [2024-11-08 14:57:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7586 states, 6304 states have (on average 1.6459390862944163) internal successors, (10376), 6312 states have internal predecessors, (10376), 1253 states have call successors, (1253), 24 states have call predecessors, (1253), 28 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2024-11-08 14:57:14,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 12999 transitions. [2024-11-08 14:57:14,708 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 12999 transitions. Word has length 152 [2024-11-08 14:57:14,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:14,708 INFO L471 AbstractCegarLoop]: Abstraction has 7586 states and 12999 transitions. [2024-11-08 14:57:14,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 12999 transitions. [2024-11-08 14:57:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 14:57:14,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:14,731 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:14,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 14:57:14,731 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:14,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:14,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1705876412, now seen corresponding path program 1 times [2024-11-08 14:57:14,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:14,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637137662] [2024-11-08 14:57:14,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:14,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 14:57:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:57:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 14:57:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:57:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 14:57:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 14:57:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 14:57:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 14:57:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:14,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:14,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637137662] [2024-11-08 14:57:14,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637137662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:14,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:14,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:14,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310834601] [2024-11-08 14:57:14,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:14,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:14,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:14,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:14,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:14,817 INFO L87 Difference]: Start difference. First operand 7586 states and 12999 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:16,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:16,217 INFO L93 Difference]: Finished difference Result 19327 states and 33668 transitions. [2024-11-08 14:57:16,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:16,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 153 [2024-11-08 14:57:16,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:16,254 INFO L225 Difference]: With dead ends: 19327 [2024-11-08 14:57:16,254 INFO L226 Difference]: Without dead ends: 12960 [2024-11-08 14:57:16,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:16,269 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1514 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:16,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 1024 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:57:16,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12960 states. [2024-11-08 14:57:16,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12960 to 12760. [2024-11-08 14:57:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12760 states, 10656 states have (on average 1.645927177177177) internal successors, (17539), 10664 states have internal predecessors, (17539), 2075 states have call successors, (2075), 24 states have call predecessors, (2075), 28 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2024-11-08 14:57:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12760 states to 12760 states and 21884 transitions. [2024-11-08 14:57:16,648 INFO L78 Accepts]: Start accepts. Automaton has 12760 states and 21884 transitions. Word has length 153 [2024-11-08 14:57:16,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:16,649 INFO L471 AbstractCegarLoop]: Abstraction has 12760 states and 21884 transitions. [2024-11-08 14:57:16,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 12760 states and 21884 transitions. [2024-11-08 14:57:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 14:57:16,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:16,677 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:16,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 14:57:16,677 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:16,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:16,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1852629428, now seen corresponding path program 1 times [2024-11-08 14:57:16,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:16,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557804670] [2024-11-08 14:57:16,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:16,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 14:57:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 14:57:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 14:57:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 14:57:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 14:57:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 14:57:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 14:57:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 14:57:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 14:57:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 14:57:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 14:57:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 14:57:16,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:16,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557804670] [2024-11-08 14:57:16,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557804670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:16,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:16,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:16,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911797782] [2024-11-08 14:57:16,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:16,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:16,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:16,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:16,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:16,788 INFO L87 Difference]: Start difference. First operand 12760 states and 21884 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:57:18,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:18,248 INFO L93 Difference]: Finished difference Result 30810 states and 53368 transitions. [2024-11-08 14:57:18,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:18,248 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 173 [2024-11-08 14:57:18,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:18,297 INFO L225 Difference]: With dead ends: 30810 [2024-11-08 14:57:18,297 INFO L226 Difference]: Without dead ends: 20273 [2024-11-08 14:57:18,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:18,318 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1490 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:18,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 998 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:57:18,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20273 states. [2024-11-08 14:57:18,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20273 to 20073. [2024-11-08 14:57:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20073 states, 16766 states have (on average 1.6214362400095432) internal successors, (27185), 16774 states have internal predecessors, (27185), 3278 states have call successors, (3278), 24 states have call predecessors, (3278), 28 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2024-11-08 14:57:19,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20073 states to 20073 states and 34080 transitions. [2024-11-08 14:57:19,073 INFO L78 Accepts]: Start accepts. Automaton has 20073 states and 34080 transitions. Word has length 173 [2024-11-08 14:57:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:19,073 INFO L471 AbstractCegarLoop]: Abstraction has 20073 states and 34080 transitions. [2024-11-08 14:57:19,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:57:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 20073 states and 34080 transitions. [2024-11-08 14:57:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 14:57:19,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:19,101 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:19,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 14:57:19,101 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:19,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:19,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1391546251, now seen corresponding path program 1 times [2024-11-08 14:57:19,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:19,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260112344] [2024-11-08 14:57:19,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:19,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 14:57:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 14:57:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 14:57:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 14:57:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 14:57:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 14:57:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 14:57:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 14:57:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 14:57:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 14:57:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 14:57:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 14:57:19,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:19,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260112344] [2024-11-08 14:57:19,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260112344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:19,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:19,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:19,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733149455] [2024-11-08 14:57:19,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:19,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:19,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:19,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:19,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:19,265 INFO L87 Difference]: Start difference. First operand 20073 states and 34080 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:57:20,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:20,926 INFO L93 Difference]: Finished difference Result 53252 states and 91902 transitions. [2024-11-08 14:57:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:20,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2024-11-08 14:57:20,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:21,030 INFO L225 Difference]: With dead ends: 53252 [2024-11-08 14:57:21,031 INFO L226 Difference]: Without dead ends: 36079 [2024-11-08 14:57:21,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:21,072 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1477 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:21,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 1024 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 1613 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 14:57:21,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36079 states. [2024-11-08 14:57:22,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36079 to 35879. [2024-11-08 14:57:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35879 states, 30122 states have (on average 1.6183188367306287) internal successors, (48747), 30130 states have internal predecessors, (48747), 5728 states have call successors, (5728), 24 states have call predecessors, (5728), 28 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2024-11-08 14:57:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35879 states to 35879 states and 60816 transitions. [2024-11-08 14:57:22,361 INFO L78 Accepts]: Start accepts. Automaton has 35879 states and 60816 transitions. Word has length 174 [2024-11-08 14:57:22,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:22,362 INFO L471 AbstractCegarLoop]: Abstraction has 35879 states and 60816 transitions. [2024-11-08 14:57:22,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 14:57:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 35879 states and 60816 transitions. [2024-11-08 14:57:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 14:57:22,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:22,412 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:22,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 14:57:22,412 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:22,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:22,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1869458774, now seen corresponding path program 1 times [2024-11-08 14:57:22,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:22,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624194672] [2024-11-08 14:57:22,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:22,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 14:57:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 14:57:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 14:57:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 14:57:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 14:57:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 14:57:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 14:57:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 14:57:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:22,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:22,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624194672] [2024-11-08 14:57:22,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624194672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:22,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:22,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:22,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631448152] [2024-11-08 14:57:22,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:22,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:22,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:22,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:22,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:22,519 INFO L87 Difference]: Start difference. First operand 35879 states and 60816 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:24,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:24,877 INFO L93 Difference]: Finished difference Result 98099 states and 168461 transitions. [2024-11-08 14:57:24,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:24,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 156 [2024-11-08 14:57:24,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:25,093 INFO L225 Difference]: With dead ends: 98099 [2024-11-08 14:57:25,093 INFO L226 Difference]: Without dead ends: 66076 [2024-11-08 14:57:25,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:25,169 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1531 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1566 mSolverCounterSat, 575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:25,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 1036 Invalid, 2141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1566 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 14:57:25,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66076 states. [2024-11-08 14:57:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66076 to 65876. [2024-11-08 14:57:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65876 states, 55606 states have (on average 1.6142142934215733) internal successors, (89760), 55614 states have internal predecessors, (89760), 10241 states have call successors, (10241), 24 states have call predecessors, (10241), 28 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2024-11-08 14:57:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65876 states to 65876 states and 111387 transitions. [2024-11-08 14:57:27,759 INFO L78 Accepts]: Start accepts. Automaton has 65876 states and 111387 transitions. Word has length 156 [2024-11-08 14:57:27,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:27,760 INFO L471 AbstractCegarLoop]: Abstraction has 65876 states and 111387 transitions. [2024-11-08 14:57:27,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 65876 states and 111387 transitions. [2024-11-08 14:57:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 14:57:27,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:27,817 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:27,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 14:57:27,817 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:27,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:27,818 INFO L85 PathProgramCache]: Analyzing trace with hash -159026301, now seen corresponding path program 1 times [2024-11-08 14:57:27,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:27,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837654805] [2024-11-08 14:57:27,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:27,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 14:57:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 14:57:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 14:57:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 14:57:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 14:57:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 14:57:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 14:57:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 14:57:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:28,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:28,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837654805] [2024-11-08 14:57:28,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837654805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:28,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:28,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 14:57:28,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936308312] [2024-11-08 14:57:28,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:28,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 14:57:28,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:28,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 14:57:28,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 14:57:28,136 INFO L87 Difference]: Start difference. First operand 65876 states and 111387 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:31,290 INFO L93 Difference]: Finished difference Result 123760 states and 212894 transitions. [2024-11-08 14:57:31,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 14:57:31,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 157 [2024-11-08 14:57:31,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:31,701 INFO L225 Difference]: With dead ends: 123760 [2024-11-08 14:57:31,701 INFO L226 Difference]: Without dead ends: 123564 [2024-11-08 14:57:31,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 14:57:31,739 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1477 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:31,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 1065 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 14:57:31,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123564 states. [2024-11-08 14:57:34,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123564 to 123364. [2024-11-08 14:57:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123364 states, 104726 states have (on average 1.6090751102877987) internal successors, (168512), 104734 states have internal predecessors, (168512), 18609 states have call successors, (18609), 24 states have call predecessors, (18609), 28 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2024-11-08 14:57:35,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123364 states to 123364 states and 207921 transitions. [2024-11-08 14:57:35,777 INFO L78 Accepts]: Start accepts. Automaton has 123364 states and 207921 transitions. Word has length 157 [2024-11-08 14:57:35,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:35,778 INFO L471 AbstractCegarLoop]: Abstraction has 123364 states and 207921 transitions. [2024-11-08 14:57:35,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 14:57:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 123364 states and 207921 transitions. [2024-11-08 14:57:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 14:57:35,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:35,916 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:35,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 14:57:35,916 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:35,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:35,917 INFO L85 PathProgramCache]: Analyzing trace with hash -832064149, now seen corresponding path program 1 times [2024-11-08 14:57:35,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:35,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656658274] [2024-11-08 14:57:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:35,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:57:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:57:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:57:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:57:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 14:57:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 14:57:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 14:57:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 14:57:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 14:57:36,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:36,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656658274] [2024-11-08 14:57:36,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656658274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 14:57:36,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000413356] [2024-11-08 14:57:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:36,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:57:36,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 14:57:36,220 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 14:57:36,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 14:57:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:36,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 14:57:36,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 14:57:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 14:57:37,083 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 14:57:37,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000413356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:37,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 14:57:37,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2024-11-08 14:57:37,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240719946] [2024-11-08 14:57:37,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:37,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 14:57:37,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:37,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 14:57:37,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-11-08 14:57:37,086 INFO L87 Difference]: Start difference. First operand 123364 states and 207921 transitions. Second operand has 12 states, 11 states have (on average 10.818181818181818) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-08 14:57:42,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 14:57:42,084 INFO L93 Difference]: Finished difference Result 245777 states and 419718 transitions. [2024-11-08 14:57:42,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 14:57:42,085 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.818181818181818) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 158 [2024-11-08 14:57:42,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 14:57:43,283 INFO L225 Difference]: With dead ends: 245777 [2024-11-08 14:57:43,283 INFO L226 Difference]: Without dead ends: 245587 [2024-11-08 14:57:43,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 14:57:43,379 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 964 mSDsluCounter, 5402 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 6136 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 14:57:43,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 6136 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 14:57:43,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245587 states. [2024-11-08 14:57:50,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245587 to 245559. [2024-11-08 14:57:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245559 states, 208517 states have (on average 1.6096673172930744) internal successors, (335643), 208422 states have internal predecessors, (335643), 36972 states have call successors, (36972), 63 states have call predecessors, (36972), 69 states have return successors, (44636), 37079 states have call predecessors, (44636), 36969 states have call successors, (44636) [2024-11-08 14:57:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245559 states to 245559 states and 417251 transitions. [2024-11-08 14:57:51,868 INFO L78 Accepts]: Start accepts. Automaton has 245559 states and 417251 transitions. Word has length 158 [2024-11-08 14:57:51,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 14:57:51,869 INFO L471 AbstractCegarLoop]: Abstraction has 245559 states and 417251 transitions. [2024-11-08 14:57:51,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.818181818181818) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-08 14:57:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 245559 states and 417251 transitions. [2024-11-08 14:57:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 14:57:52,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 14:57:52,025 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 14:57:52,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 14:57:52,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 14:57:52,226 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 14:57:52,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 14:57:52,226 INFO L85 PathProgramCache]: Analyzing trace with hash 702701242, now seen corresponding path program 1 times [2024-11-08 14:57:52,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 14:57:52,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436183734] [2024-11-08 14:57:52,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 14:57:52,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 14:57:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 14:57:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 14:57:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 14:57:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 14:57:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 14:57:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 14:57:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 14:57:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 14:57:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 14:57:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 14:57:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 14:57:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 14:57:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 14:57:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 14:57:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 14:57:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 14:57:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 14:57:52,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 14:57:52,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436183734] [2024-11-08 14:57:52,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436183734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 14:57:52,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 14:57:52,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 14:57:52,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573708212] [2024-11-08 14:57:52,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 14:57:52,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 14:57:52,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 14:57:52,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 14:57:52,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 14:57:52,337 INFO L87 Difference]: Start difference. First operand 245559 states and 417251 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 4 states have internal predecessors, (107), 3 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)