./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac03fde86830071a4c6b2e5721972db0abe9813dd0e80632e775695a294f996c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 19:34:26,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 19:34:26,772 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 19:34:26,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 19:34:26,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 19:34:26,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 19:34:26,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 19:34:26,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 19:34:26,834 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 19:34:26,835 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 19:34:26,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 19:34:26,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 19:34:26,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 19:34:26,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 19:34:26,840 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 19:34:26,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 19:34:26,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 19:34:26,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 19:34:26,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 19:34:26,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 19:34:26,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 19:34:26,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 19:34:26,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 19:34:26,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 19:34:26,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 19:34:26,842 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 19:34:26,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 19:34:26,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 19:34:26,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 19:34:26,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 19:34:26,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 19:34:26,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 19:34:26,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:34:26,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 19:34:26,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 19:34:26,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 19:34:26,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 19:34:26,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 19:34:26,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 19:34:26,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 19:34:26,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 19:34:26,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 19:34:26,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac03fde86830071a4c6b2e5721972db0abe9813dd0e80632e775695a294f996c [2024-10-12 19:34:27,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 19:34:27,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 19:34:27,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 19:34:27,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 19:34:27,198 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 19:34:27,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2024-10-12 19:34:28,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 19:34:28,964 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 19:34:28,965 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2024-10-12 19:34:28,989 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/893cd4702/8dcfcbe325f646c889772ff419541785/FLAG590d30ab6 [2024-10-12 19:34:29,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/893cd4702/8dcfcbe325f646c889772ff419541785 [2024-10-12 19:34:29,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 19:34:29,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 19:34:29,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 19:34:29,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 19:34:29,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 19:34:29,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f06af47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29, skipping insertion in model container [2024-10-12 19:34:29,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 19:34:29,397 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c[14691,14704] [2024-10-12 19:34:29,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:34:29,587 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 19:34:29,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-10-12 19:34:29,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [281] [2024-10-12 19:34:29,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [685] [2024-10-12 19:34:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [702] [2024-10-12 19:34:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [711] [2024-10-12 19:34:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1114] [2024-10-12 19:34:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1426] [2024-10-12 19:34:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1461] [2024-10-12 19:34:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2521] [2024-10-12 19:34:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [2887] [2024-10-12 19:34:29,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2905] [2024-10-12 19:34:29,649 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c[14691,14704] [2024-10-12 19:34:29,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:34:29,780 INFO L204 MainTranslator]: Completed translation [2024-10-12 19:34:29,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29 WrapperNode [2024-10-12 19:34:29,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 19:34:29,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 19:34:29,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 19:34:29,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 19:34:29,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,878 INFO L138 Inliner]: procedures = 133, calls = 207, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1127 [2024-10-12 19:34:29,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 19:34:29,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 19:34:29,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 19:34:29,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 19:34:29,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,915 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,946 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]. [2024-10-12 19:34:29,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:29,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:30,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:30,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:30,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 19:34:30,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 19:34:30,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 19:34:30,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 19:34:30,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (1/1) ... [2024-10-12 19:34:30,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:34:30,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:34:30,069 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) [2024-10-12 19:34:30,075 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 [2024-10-12 19:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-12 19:34:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-12 19:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-12 19:34:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-12 19:34:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-12 19:34:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-12 19:34:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-12 19:34:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-12 19:34:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-12 19:34:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-12 19:34:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-12 19:34:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-12 19:34:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-12 19:34:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-12 19:34:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-12 19:34:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-12 19:34:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-12 19:34:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-12 19:34:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-12 19:34:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-12 19:34:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-10-12 19:34:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-10-12 19:34:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-12 19:34:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-12 19:34:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 19:34:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-12 19:34:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-12 19:34:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-12 19:34:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-12 19:34:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-12 19:34:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-12 19:34:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-12 19:34:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-12 19:34:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-12 19:34:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-12 19:34:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-12 19:34:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-12 19:34:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-12 19:34:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-12 19:34:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-12 19:34:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-12 19:34:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 19:34:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 19:34:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 19:34:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 19:34:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-12 19:34:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-12 19:34:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-12 19:34:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-12 19:34:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 19:34:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 19:34:30,421 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 19:34:30,431 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 19:34:31,525 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2024-10-12 19:34:31,525 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 19:34:31,614 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 19:34:31,614 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 19:34:31,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:34:31 BoogieIcfgContainer [2024-10-12 19:34:31,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 19:34:31,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 19:34:31,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 19:34:31,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 19:34:31,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:34:29" (1/3) ... [2024-10-12 19:34:31,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bff554a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:34:31, skipping insertion in model container [2024-10-12 19:34:31,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:34:29" (2/3) ... [2024-10-12 19:34:31,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bff554a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:34:31, skipping insertion in model container [2024-10-12 19:34:31,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:34:31" (3/3) ... [2024-10-12 19:34:31,627 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product27.cil.c [2024-10-12 19:34:31,645 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 19:34:31,646 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 19:34:31,734 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 19:34:31,740 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;@55a7d906, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 19:34:31,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 19:34:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 287 states have (on average 1.6236933797909407) internal successors, (466), 290 states have internal predecessors, (466), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-12 19:34:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-12 19:34:31,767 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:31,768 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:34:31,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:31,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:31,775 INFO L85 PathProgramCache]: Analyzing trace with hash 608469615, now seen corresponding path program 1 times [2024-10-12 19:34:31,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:31,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937179033] [2024-10-12 19:34:31,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:34:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:34:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:34:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-12 19:34:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-12 19:34:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-12 19:34:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:34:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:34:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:34:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-12 19:34:32,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:32,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937179033] [2024-10-12 19:34:32,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937179033] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:34:32,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707524563] [2024-10-12 19:34:32,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:32,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:34:32,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:34:32,520 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) [2024-10-12 19:34:32,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 19:34:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:32,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 19:34:32,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:34:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-12 19:34:32,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:34:32,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707524563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:32,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:34:32,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-12 19:34:32,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547980428] [2024-10-12 19:34:32,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:32,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 19:34:32,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:32,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 19:34:32,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:34:32,991 INFO L87 Difference]: Start difference. First operand has 369 states, 287 states have (on average 1.6236933797909407) internal successors, (466), 290 states have internal predecessors, (466), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:33,107 INFO L93 Difference]: Finished difference Result 550 states and 856 transitions. [2024-10-12 19:34:33,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 19:34:33,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 88 [2024-10-12 19:34:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:33,129 INFO L225 Difference]: With dead ends: 550 [2024-10-12 19:34:33,129 INFO L226 Difference]: Without dead ends: 366 [2024-10-12 19:34:33,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:34:33,139 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:33,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 559 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:34:33,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-12 19:34:33,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-10-12 19:34:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 285 states have (on average 1.6105263157894736) internal successors, (459), 287 states have internal predecessors, (459), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-12 19:34:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 574 transitions. [2024-10-12 19:34:33,218 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 574 transitions. Word has length 88 [2024-10-12 19:34:33,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:33,220 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 574 transitions. [2024-10-12 19:34:33,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:33,220 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 574 transitions. [2024-10-12 19:34:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-12 19:34:33,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:33,228 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:34:33,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-12 19:34:33,432 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 [2024-10-12 19:34:33,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:33,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:33,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1538703843, now seen corresponding path program 1 times [2024-10-12 19:34:33,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:33,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604016079] [2024-10-12 19:34:33,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:33,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:34:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:34:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:34:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-12 19:34:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-12 19:34:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-12 19:34:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:34:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 19:34:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:34:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-12 19:34:33,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:33,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604016079] [2024-10-12 19:34:33,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604016079] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:34:33,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467639574] [2024-10-12 19:34:33,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:33,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:34:33,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:34:33,688 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) [2024-10-12 19:34:33,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 19:34:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:33,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 19:34:34,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:34:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-12 19:34:34,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:34:34,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467639574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:34,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:34:34,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-12 19:34:34,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705190870] [2024-10-12 19:34:34,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:34,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:34:34,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:34:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:34:34,047 INFO L87 Difference]: Start difference. First operand 366 states and 574 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:34,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:34,135 INFO L93 Difference]: Finished difference Result 546 states and 840 transitions. [2024-10-12 19:34:34,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:34:34,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 89 [2024-10-12 19:34:34,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:34,143 INFO L225 Difference]: With dead ends: 546 [2024-10-12 19:34:34,143 INFO L226 Difference]: Without dead ends: 368 [2024-10-12 19:34:34,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:34:34,145 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:34,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1111 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:34:34,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-12 19:34:34,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-12 19:34:34,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 287 states have (on average 1.6062717770034842) internal successors, (461), 289 states have internal predecessors, (461), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-12 19:34:34,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 576 transitions. [2024-10-12 19:34:34,196 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 576 transitions. Word has length 89 [2024-10-12 19:34:34,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:34,197 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 576 transitions. [2024-10-12 19:34:34,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 576 transitions. [2024-10-12 19:34:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-12 19:34:34,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:34,202 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-12 19:34:34,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-12 19:34:34,402 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 [2024-10-12 19:34:34,403 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:34,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:34,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1905614281, now seen corresponding path program 1 times [2024-10-12 19:34:34,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:34,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608385552] [2024-10-12 19:34:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:34,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:34:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:34:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:34:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-12 19:34:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:34:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:34:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:34:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:34:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:34:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:34:34,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:34,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608385552] [2024-10-12 19:34:34,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608385552] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:34:34,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317448927] [2024-10-12 19:34:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:34,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:34:34,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:34:34,669 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) [2024-10-12 19:34:34,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 19:34:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:34,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 19:34:34,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:34:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-12 19:34:34,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:34:34,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317448927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:34,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:34:34,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-12 19:34:34,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612461773] [2024-10-12 19:34:34,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:34,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:34:34,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:34,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:34:34,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:34:34,981 INFO L87 Difference]: Start difference. First operand 368 states and 576 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:35,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:35,051 INFO L93 Difference]: Finished difference Result 788 states and 1251 transitions. [2024-10-12 19:34:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:34:35,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2024-10-12 19:34:35,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:35,056 INFO L225 Difference]: With dead ends: 788 [2024-10-12 19:34:35,056 INFO L226 Difference]: Without dead ends: 442 [2024-10-12 19:34:35,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:34:35,059 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 136 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:35,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1072 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:34:35,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-12 19:34:35,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 437. [2024-10-12 19:34:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 342 states have (on average 1.6228070175438596) internal successors, (555), 344 states have internal predecessors, (555), 72 states have call successors, (72), 22 states have call predecessors, (72), 22 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-12 19:34:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 698 transitions. [2024-10-12 19:34:35,103 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 698 transitions. Word has length 96 [2024-10-12 19:34:35,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:35,105 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 698 transitions. [2024-10-12 19:34:35,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 698 transitions. [2024-10-12 19:34:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-12 19:34:35,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:35,108 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-12 19:34:35,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-12 19:34:35,309 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 [2024-10-12 19:34:35,310 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:35,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:35,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1462348369, now seen corresponding path program 1 times [2024-10-12 19:34:35,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:35,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918710465] [2024-10-12 19:34:35,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:35,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:34:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:34:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:34:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 19:34:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:34:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:34:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:34:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:34:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:34:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:34:35,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:35,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918710465] [2024-10-12 19:34:35,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918710465] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:34:35,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889711565] [2024-10-12 19:34:35,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:35,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:34:35,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:34:35,578 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) [2024-10-12 19:34:35,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-12 19:34:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:35,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 19:34:35,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:34:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-12 19:34:35,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:34:35,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889711565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:35,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:34:35,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-12 19:34:35,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558557411] [2024-10-12 19:34:35,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:35,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:34:35,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:35,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:34:35,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:34:35,949 INFO L87 Difference]: Start difference. First operand 437 states and 698 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-12 19:34:36,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:36,053 INFO L93 Difference]: Finished difference Result 869 states and 1390 transitions. [2024-10-12 19:34:36,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 19:34:36,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 97 [2024-10-12 19:34:36,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:36,056 INFO L225 Difference]: With dead ends: 869 [2024-10-12 19:34:36,057 INFO L226 Difference]: Without dead ends: 439 [2024-10-12 19:34:36,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:34:36,062 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 2 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:36,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2181 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:34:36,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-12 19:34:36,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2024-10-12 19:34:36,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 343 states have (on average 1.620991253644315) internal successors, (556), 346 states have internal predecessors, (556), 72 states have call successors, (72), 22 states have call predecessors, (72), 23 states have return successors, (73), 70 states have call predecessors, (73), 71 states have call successors, (73) [2024-10-12 19:34:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 701 transitions. [2024-10-12 19:34:36,083 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 701 transitions. Word has length 97 [2024-10-12 19:34:36,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:36,084 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 701 transitions. [2024-10-12 19:34:36,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-12 19:34:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 701 transitions. [2024-10-12 19:34:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-12 19:34:36,086 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:36,087 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-12 19:34:36,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-12 19:34:36,287 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 [2024-10-12 19:34:36,288 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:36,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:36,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1234720419, now seen corresponding path program 1 times [2024-10-12 19:34:36,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:36,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701335788] [2024-10-12 19:34:36,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:36,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 19:34:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-12 19:34:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-12 19:34:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 19:34:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:34:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 19:34:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-12 19:34:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:34:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-12 19:34:36,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:36,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701335788] [2024-10-12 19:34:36,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701335788] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:34:36,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661312205] [2024-10-12 19:34:36,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:36,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:34:36,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:34:36,542 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) [2024-10-12 19:34:36,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-12 19:34:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:36,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 19:34:36,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:34:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-12 19:34:36,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:34:36,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661312205] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:36,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:34:36,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-12 19:34:36,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385553288] [2024-10-12 19:34:36,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:36,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:34:36,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:36,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:34:36,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:34:36,898 INFO L87 Difference]: Start difference. First operand 439 states and 701 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-12 19:34:37,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:37,019 INFO L93 Difference]: Finished difference Result 871 states and 1395 transitions. [2024-10-12 19:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 19:34:37,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 98 [2024-10-12 19:34:37,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:37,022 INFO L225 Difference]: With dead ends: 871 [2024-10-12 19:34:37,022 INFO L226 Difference]: Without dead ends: 441 [2024-10-12 19:34:37,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:34:37,025 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 2 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:37,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2167 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:34:37,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-12 19:34:37,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-10-12 19:34:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 344 states have (on average 1.619186046511628) internal successors, (557), 348 states have internal predecessors, (557), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2024-10-12 19:34:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 707 transitions. [2024-10-12 19:34:37,044 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 707 transitions. Word has length 98 [2024-10-12 19:34:37,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:37,045 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 707 transitions. [2024-10-12 19:34:37,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-12 19:34:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 707 transitions. [2024-10-12 19:34:37,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-12 19:34:37,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:37,047 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-12 19:34:37,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-12 19:34:37,248 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 [2024-10-12 19:34:37,248 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:37,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:37,249 INFO L85 PathProgramCache]: Analyzing trace with hash 315842101, now seen corresponding path program 1 times [2024-10-12 19:34:37,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:37,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371955930] [2024-10-12 19:34:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:37,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-12 19:34:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-12 19:34:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-12 19:34:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:34:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 19:34:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:34:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:34:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:34:37,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:37,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371955930] [2024-10-12 19:34:37,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371955930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:37,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:34:37,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 19:34:37,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788961289] [2024-10-12 19:34:37,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:37,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 19:34:37,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:37,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 19:34:37,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:34:37,446 INFO L87 Difference]: Start difference. First operand 441 states and 707 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-12 19:34:39,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:39,810 INFO L93 Difference]: Finished difference Result 1041 states and 1705 transitions. [2024-10-12 19:34:39,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 19:34:39,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 99 [2024-10-12 19:34:39,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:39,817 INFO L225 Difference]: With dead ends: 1041 [2024-10-12 19:34:39,818 INFO L226 Difference]: Without dead ends: 619 [2024-10-12 19:34:39,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:34:39,820 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1278 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3026 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 3440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 3026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:39,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 1247 Invalid, 3440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 3026 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-12 19:34:39,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-10-12 19:34:39,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 441. [2024-10-12 19:34:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 344 states have (on average 1.619186046511628) internal successors, (557), 348 states have internal predecessors, (557), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (77), 70 states have call predecessors, (77), 71 states have call successors, (77) [2024-10-12 19:34:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 706 transitions. [2024-10-12 19:34:39,862 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 706 transitions. Word has length 99 [2024-10-12 19:34:39,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:39,862 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 706 transitions. [2024-10-12 19:34:39,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-12 19:34:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 706 transitions. [2024-10-12 19:34:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-12 19:34:39,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:39,865 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:34:39,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 19:34:39,865 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:39,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:39,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2111179519, now seen corresponding path program 2 times [2024-10-12 19:34:39,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:39,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067122061] [2024-10-12 19:34:39,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:39,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-12 19:34:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-12 19:34:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-12 19:34:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:34:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:34:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-12 19:34:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-12 19:34:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:34:40,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:40,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067122061] [2024-10-12 19:34:40,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067122061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:40,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:34:40,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 19:34:40,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798864413] [2024-10-12 19:34:40,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:40,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 19:34:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:40,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 19:34:40,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:34:40,106 INFO L87 Difference]: Start difference. First operand 441 states and 706 transitions. Second operand has 9 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-12 19:34:42,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:42,444 INFO L93 Difference]: Finished difference Result 1043 states and 1708 transitions. [2024-10-12 19:34:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 19:34:42,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 100 [2024-10-12 19:34:42,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:42,450 INFO L225 Difference]: With dead ends: 1043 [2024-10-12 19:34:42,450 INFO L226 Difference]: Without dead ends: 621 [2024-10-12 19:34:42,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:34:42,452 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1274 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3057 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 3465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 3057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:42,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 1247 Invalid, 3465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 3057 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-12 19:34:42,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-10-12 19:34:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 443. [2024-10-12 19:34:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 345 states have (on average 1.617391304347826) internal successors, (558), 350 states have internal predecessors, (558), 72 states have call successors, (72), 22 states have call predecessors, (72), 25 states have return successors, (79), 70 states have call predecessors, (79), 71 states have call successors, (79) [2024-10-12 19:34:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 709 transitions. [2024-10-12 19:34:42,500 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 709 transitions. Word has length 100 [2024-10-12 19:34:42,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:42,500 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 709 transitions. [2024-10-12 19:34:42,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-12 19:34:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 709 transitions. [2024-10-12 19:34:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-12 19:34:42,503 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:42,503 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-12 19:34:42,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 19:34:42,504 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:42,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:42,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1271003846, now seen corresponding path program 1 times [2024-10-12 19:34:42,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:42,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906117233] [2024-10-12 19:34:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:42,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:34:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:34:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-12 19:34:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 19:34:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:34:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:34:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:34:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-12 19:34:42,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:42,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906117233] [2024-10-12 19:34:42,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906117233] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:42,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:34:42,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 19:34:42,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138614880] [2024-10-12 19:34:42,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:42,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:34:42,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:42,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:34:42,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:34:42,736 INFO L87 Difference]: Start difference. First operand 443 states and 709 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-12 19:34:45,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:45,737 INFO L93 Difference]: Finished difference Result 1041 states and 1703 transitions. [2024-10-12 19:34:45,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:34:45,737 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 101 [2024-10-12 19:34:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:45,743 INFO L225 Difference]: With dead ends: 1041 [2024-10-12 19:34:45,743 INFO L226 Difference]: Without dead ends: 621 [2024-10-12 19:34:45,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-12 19:34:45,747 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1279 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5012 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 5430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 5012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:45,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 1729 Invalid, 5430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 5012 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-12 19:34:45,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-10-12 19:34:45,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 443. [2024-10-12 19:34:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 345 states have (on average 1.617391304347826) internal successors, (558), 350 states have internal predecessors, (558), 72 states have call successors, (72), 22 states have call predecessors, (72), 25 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2024-10-12 19:34:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 708 transitions. [2024-10-12 19:34:45,819 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 708 transitions. Word has length 101 [2024-10-12 19:34:45,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:45,820 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 708 transitions. [2024-10-12 19:34:45,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-12 19:34:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 708 transitions. [2024-10-12 19:34:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-12 19:34:45,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:45,822 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:34:45,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 19:34:45,822 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:45,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:45,823 INFO L85 PathProgramCache]: Analyzing trace with hash -148491490, now seen corresponding path program 2 times [2024-10-12 19:34:45,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:45,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595043179] [2024-10-12 19:34:45,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:45,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:45,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:45,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:45,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:45,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:45,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:34:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:46,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:34:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:46,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 19:34:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:34:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:34:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:34:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:34:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-12 19:34:46,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:46,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595043179] [2024-10-12 19:34:46,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595043179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:46,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:34:46,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 19:34:46,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317729174] [2024-10-12 19:34:46,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:46,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:34:46,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:46,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:34:46,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:34:46,068 INFO L87 Difference]: Start difference. First operand 443 states and 708 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-12 19:34:48,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:48,652 INFO L93 Difference]: Finished difference Result 1043 states and 1709 transitions. [2024-10-12 19:34:48,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:34:48,653 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 102 [2024-10-12 19:34:48,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:48,658 INFO L225 Difference]: With dead ends: 1043 [2024-10-12 19:34:48,658 INFO L226 Difference]: Without dead ends: 623 [2024-10-12 19:34:48,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-12 19:34:48,660 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1277 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5006 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 5426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 5006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:48,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 1729 Invalid, 5426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 5006 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-12 19:34:48,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-10-12 19:34:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 445. [2024-10-12 19:34:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 346 states have (on average 1.615606936416185) internal successors, (559), 352 states have internal predecessors, (559), 72 states have call successors, (72), 22 states have call predecessors, (72), 26 states have return successors, (83), 70 states have call predecessors, (83), 71 states have call successors, (83) [2024-10-12 19:34:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 714 transitions. [2024-10-12 19:34:48,695 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 714 transitions. Word has length 102 [2024-10-12 19:34:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:48,696 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 714 transitions. [2024-10-12 19:34:48,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-12 19:34:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 714 transitions. [2024-10-12 19:34:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-12 19:34:48,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:48,699 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-12 19:34:48,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 19:34:48,699 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:48,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:48,699 INFO L85 PathProgramCache]: Analyzing trace with hash -753838337, now seen corresponding path program 1 times [2024-10-12 19:34:48,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:48,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721547768] [2024-10-12 19:34:48,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:34:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 19:34:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-12 19:34:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:34:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:34:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:34:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:34:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-12 19:34:48,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:48,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721547768] [2024-10-12 19:34:48,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721547768] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:34:48,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314016530] [2024-10-12 19:34:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:48,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:34:48,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:34:48,912 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) [2024-10-12 19:34:48,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-12 19:34:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:49,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 19:34:49,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:34:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:34:49,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 19:34:49,339 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:34:49,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314016530] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 19:34:49,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 19:34:49,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-12 19:34:49,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653569105] [2024-10-12 19:34:49,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 19:34:49,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-12 19:34:49,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:49,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-12 19:34:49,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:34:49,345 INFO L87 Difference]: Start difference. First operand 445 states and 714 transitions. Second operand has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 11 states have internal predecessors, (110), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-12 19:34:52,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:52,320 INFO L93 Difference]: Finished difference Result 1482 states and 2520 transitions. [2024-10-12 19:34:52,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-12 19:34:52,320 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 11 states have internal predecessors, (110), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 103 [2024-10-12 19:34:52,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:52,327 INFO L225 Difference]: With dead ends: 1482 [2024-10-12 19:34:52,327 INFO L226 Difference]: Without dead ends: 1063 [2024-10-12 19:34:52,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-12 19:34:52,331 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 2557 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 5506 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 6318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 5506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:52,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 2000 Invalid, 6318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [812 Valid, 5506 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-12 19:34:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-10-12 19:34:52,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 870. [2024-10-12 19:34:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 692 states have (on average 1.657514450867052) internal successors, (1147), 698 states have internal predecessors, (1147), 151 states have call successors, (151), 22 states have call predecessors, (151), 26 states have return successors, (172), 149 states have call predecessors, (172), 150 states have call successors, (172) [2024-10-12 19:34:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1470 transitions. [2024-10-12 19:34:52,388 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1470 transitions. Word has length 103 [2024-10-12 19:34:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:52,389 INFO L471 AbstractCegarLoop]: Abstraction has 870 states and 1470 transitions. [2024-10-12 19:34:52,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 11 states have internal predecessors, (110), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-12 19:34:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1470 transitions. [2024-10-12 19:34:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-12 19:34:52,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:52,394 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:34:52,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-12 19:34:52,594 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 [2024-10-12 19:34:52,595 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:52,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:52,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1134535223, now seen corresponding path program 1 times [2024-10-12 19:34:52,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:52,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849907056] [2024-10-12 19:34:52,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:52,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:34:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 19:34:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:34:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:34:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:34:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:34:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:34:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:34:52,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849907056] [2024-10-12 19:34:52,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849907056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:52,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:34:52,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:34:52,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122974947] [2024-10-12 19:34:52,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:52,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:34:52,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:52,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:34:52,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:34:52,747 INFO L87 Difference]: Start difference. First operand 870 states and 1470 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:54,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:54,397 INFO L93 Difference]: Finished difference Result 2257 states and 3909 transitions. [2024-10-12 19:34:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:34:54,398 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2024-10-12 19:34:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:54,407 INFO L225 Difference]: With dead ends: 2257 [2024-10-12 19:34:54,407 INFO L226 Difference]: Without dead ends: 1455 [2024-10-12 19:34:54,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:34:54,412 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 1405 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:54,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1423 Valid, 925 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 19:34:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2024-10-12 19:34:54,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1272. [2024-10-12 19:34:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1015 states have (on average 1.6689655172413793) internal successors, (1694), 1021 states have internal predecessors, (1694), 230 states have call successors, (230), 22 states have call predecessors, (230), 26 states have return successors, (261), 228 states have call predecessors, (261), 229 states have call successors, (261) [2024-10-12 19:34:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 2185 transitions. [2024-10-12 19:34:54,521 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 2185 transitions. Word has length 107 [2024-10-12 19:34:54,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:54,521 INFO L471 AbstractCegarLoop]: Abstraction has 1272 states and 2185 transitions. [2024-10-12 19:34:54,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 2185 transitions. [2024-10-12 19:34:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-12 19:34:54,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:54,528 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:34:54,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 19:34:54,529 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:54,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:54,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1578627852, now seen corresponding path program 1 times [2024-10-12 19:34:54,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:54,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38724867] [2024-10-12 19:34:54,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:54,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:34:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-12 19:34:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:34:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:34:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:34:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:34:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:34:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:34:54,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:54,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38724867] [2024-10-12 19:34:54,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38724867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:54,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:34:54,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:34:54,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662086777] [2024-10-12 19:34:54,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:54,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:34:54,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:54,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:34:54,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:34:54,646 INFO L87 Difference]: Start difference. First operand 1272 states and 2185 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:56,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:56,282 INFO L93 Difference]: Finished difference Result 3260 states and 5686 transitions. [2024-10-12 19:34:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:34:56,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2024-10-12 19:34:56,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:56,294 INFO L225 Difference]: With dead ends: 3260 [2024-10-12 19:34:56,294 INFO L226 Difference]: Without dead ends: 2106 [2024-10-12 19:34:56,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:34:56,299 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1406 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:56,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 916 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 1730 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 19:34:56,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2024-10-12 19:34:56,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 1923. [2024-10-12 19:34:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1923 states, 1547 states have (on average 1.6742081447963801) internal successors, (2590), 1553 states have internal predecessors, (2590), 349 states have call successors, (349), 22 states have call predecessors, (349), 26 states have return successors, (380), 347 states have call predecessors, (380), 348 states have call successors, (380) [2024-10-12 19:34:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 3319 transitions. [2024-10-12 19:34:56,398 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 3319 transitions. Word has length 108 [2024-10-12 19:34:56,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:56,398 INFO L471 AbstractCegarLoop]: Abstraction has 1923 states and 3319 transitions. [2024-10-12 19:34:56,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 3319 transitions. [2024-10-12 19:34:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-12 19:34:56,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:56,408 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:34:56,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 19:34:56,408 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:56,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:56,408 INFO L85 PathProgramCache]: Analyzing trace with hash -470690441, now seen corresponding path program 1 times [2024-10-12 19:34:56,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:56,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741536710] [2024-10-12 19:34:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:56,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:34:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 19:34:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:34:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 19:34:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:34:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:34:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:34:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:34:56,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:56,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741536710] [2024-10-12 19:34:56,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741536710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:56,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:34:56,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:34:56,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53456602] [2024-10-12 19:34:56,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:56,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:34:56,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:56,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:34:56,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:34:56,536 INFO L87 Difference]: Start difference. First operand 1923 states and 3319 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:34:58,138 INFO L93 Difference]: Finished difference Result 4784 states and 8404 transitions. [2024-10-12 19:34:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:34:58,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-10-12 19:34:58,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:34:58,157 INFO L225 Difference]: With dead ends: 4784 [2024-10-12 19:34:58,157 INFO L226 Difference]: Without dead ends: 3107 [2024-10-12 19:34:58,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:34:58,164 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1402 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 19:34:58,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1420 Valid, 909 Invalid, 2206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 1729 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 19:34:58,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2024-10-12 19:34:58,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 2924. [2024-10-12 19:34:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2386 states have (on average 1.6789606035205364) internal successors, (4006), 2392 states have internal predecessors, (4006), 511 states have call successors, (511), 22 states have call predecessors, (511), 26 states have return successors, (558), 509 states have call predecessors, (558), 510 states have call successors, (558) [2024-10-12 19:34:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 5075 transitions. [2024-10-12 19:34:58,291 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 5075 transitions. Word has length 109 [2024-10-12 19:34:58,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:34:58,291 INFO L471 AbstractCegarLoop]: Abstraction has 2924 states and 5075 transitions. [2024-10-12 19:34:58,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:34:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 5075 transitions. [2024-10-12 19:34:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-12 19:34:58,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:34:58,302 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:34:58,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 19:34:58,302 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:34:58,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:34:58,303 INFO L85 PathProgramCache]: Analyzing trace with hash 78671989, now seen corresponding path program 1 times [2024-10-12 19:34:58,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:34:58,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328199554] [2024-10-12 19:34:58,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:34:58,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:34:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:34:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:34:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:34:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:34:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:34:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:34:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-12 19:34:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:34:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 19:34:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:34:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-12 19:34:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:34:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:34:58,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:34:58,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:34:58,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328199554] [2024-10-12 19:34:58,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328199554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:34:58,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:34:58,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:34:58,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767481057] [2024-10-12 19:34:58,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:34:58,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:34:58,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:34:58,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:34:58,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:34:58,403 INFO L87 Difference]: Start difference. First operand 2924 states and 5075 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:00,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:35:00,078 INFO L93 Difference]: Finished difference Result 7196 states and 12717 transitions. [2024-10-12 19:35:00,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:35:00,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2024-10-12 19:35:00,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:35:00,105 INFO L225 Difference]: With dead ends: 7196 [2024-10-12 19:35:00,106 INFO L226 Difference]: Without dead ends: 4727 [2024-10-12 19:35:00,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:35:00,116 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1399 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 19:35:00,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 909 Invalid, 2206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 19:35:00,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2024-10-12 19:35:00,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 4544. [2024-10-12 19:35:00,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4544 states, 3761 states have (on average 1.6825312416910396) internal successors, (6328), 3767 states have internal predecessors, (6328), 756 states have call successors, (756), 22 states have call predecessors, (756), 26 states have return successors, (829), 754 states have call predecessors, (829), 755 states have call successors, (829) [2024-10-12 19:35:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4544 states to 4544 states and 7913 transitions. [2024-10-12 19:35:00,365 INFO L78 Accepts]: Start accepts. Automaton has 4544 states and 7913 transitions. Word has length 110 [2024-10-12 19:35:00,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:35:00,366 INFO L471 AbstractCegarLoop]: Abstraction has 4544 states and 7913 transitions. [2024-10-12 19:35:00,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4544 states and 7913 transitions. [2024-10-12 19:35:00,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-12 19:35:00,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:35:00,377 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:35:00,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 19:35:00,377 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:35:00,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:35:00,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1272594605, now seen corresponding path program 1 times [2024-10-12 19:35:00,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:35:00,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821036958] [2024-10-12 19:35:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:35:00,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:35:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:35:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:35:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:35:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:35:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:35:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:35:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-12 19:35:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:35:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:35:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:35:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:35:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 19:35:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:35:00,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:35:00,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821036958] [2024-10-12 19:35:00,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821036958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:35:00,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:35:00,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:35:00,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10555927] [2024-10-12 19:35:00,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:35:00,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:35:00,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:35:00,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:35:00,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:35:00,483 INFO L87 Difference]: Start difference. First operand 4544 states and 7913 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:02,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:35:02,089 INFO L93 Difference]: Finished difference Result 11273 states and 19970 transitions. [2024-10-12 19:35:02,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:35:02,090 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-10-12 19:35:02,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:35:02,133 INFO L225 Difference]: With dead ends: 11273 [2024-10-12 19:35:02,134 INFO L226 Difference]: Without dead ends: 7487 [2024-10-12 19:35:02,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:35:02,150 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1397 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:35:02,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1415 Valid, 936 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:35:02,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7487 states. [2024-10-12 19:35:02,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7487 to 7304. [2024-10-12 19:35:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7304 states, 6028 states have (on average 1.6761778367617783) internal successors, (10104), 6034 states have internal predecessors, (10104), 1249 states have call successors, (1249), 22 states have call predecessors, (1249), 26 states have return successors, (1366), 1247 states have call predecessors, (1366), 1248 states have call successors, (1366) [2024-10-12 19:35:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7304 states to 7304 states and 12719 transitions. [2024-10-12 19:35:02,544 INFO L78 Accepts]: Start accepts. Automaton has 7304 states and 12719 transitions. Word has length 111 [2024-10-12 19:35:02,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:35:02,544 INFO L471 AbstractCegarLoop]: Abstraction has 7304 states and 12719 transitions. [2024-10-12 19:35:02,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7304 states and 12719 transitions. [2024-10-12 19:35:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-12 19:35:02,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:35:02,561 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:35:02,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 19:35:02,561 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:35:02,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:35:02,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1913516391, now seen corresponding path program 1 times [2024-10-12 19:35:02,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:35:02,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473564021] [2024-10-12 19:35:02,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:35:02,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:35:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:35:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:35:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:35:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:35:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:35:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:35:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:35:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:35:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:35:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-12 19:35:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:35:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:35:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:35:02,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:35:02,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473564021] [2024-10-12 19:35:02,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473564021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:35:02,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:35:02,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:35:02,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946318179] [2024-10-12 19:35:02,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:35:02,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:35:02,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:35:02,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:35:02,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:35:02,686 INFO L87 Difference]: Start difference. First operand 7304 states and 12719 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:04,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:35:04,404 INFO L93 Difference]: Finished difference Result 18632 states and 32990 transitions. [2024-10-12 19:35:04,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:35:04,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-10-12 19:35:04,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:35:04,471 INFO L225 Difference]: With dead ends: 18632 [2024-10-12 19:35:04,471 INFO L226 Difference]: Without dead ends: 12472 [2024-10-12 19:35:04,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:35:04,499 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1395 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:35:04,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1413 Valid, 922 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:35:04,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12472 states. [2024-10-12 19:35:05,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12472 to 12289. [2024-10-12 19:35:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12289 states, 10191 states have (on average 1.6757923658129723) internal successors, (17078), 10197 states have internal predecessors, (17078), 2071 states have call successors, (2071), 22 states have call predecessors, (2071), 26 states have return successors, (2266), 2069 states have call predecessors, (2266), 2070 states have call successors, (2266) [2024-10-12 19:35:05,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12289 states to 12289 states and 21415 transitions. [2024-10-12 19:35:05,166 INFO L78 Accepts]: Start accepts. Automaton has 12289 states and 21415 transitions. Word has length 112 [2024-10-12 19:35:05,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:35:05,167 INFO L471 AbstractCegarLoop]: Abstraction has 12289 states and 21415 transitions. [2024-10-12 19:35:05,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 12289 states and 21415 transitions. [2024-10-12 19:35:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-12 19:35:05,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:35:05,185 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:35:05,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 19:35:05,186 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:35:05,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:35:05,186 INFO L85 PathProgramCache]: Analyzing trace with hash -493055647, now seen corresponding path program 1 times [2024-10-12 19:35:05,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:35:05,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168998685] [2024-10-12 19:35:05,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:35:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:35:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:35:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:35:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:35:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:35:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:35:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:35:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:35:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 19:35:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:35:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:35:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:35:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 19:35:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:35:05,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:35:05,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168998685] [2024-10-12 19:35:05,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168998685] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:35:05,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:35:05,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:35:05,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891547143] [2024-10-12 19:35:05,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:35:05,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:35:05,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:35:05,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:35:05,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:35:05,298 INFO L87 Difference]: Start difference. First operand 12289 states and 21415 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:07,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:35:07,138 INFO L93 Difference]: Finished difference Result 29598 states and 52173 transitions. [2024-10-12 19:35:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:35:07,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-10-12 19:35:07,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:35:07,220 INFO L225 Difference]: With dead ends: 29598 [2024-10-12 19:35:07,220 INFO L226 Difference]: Without dead ends: 19432 [2024-10-12 19:35:07,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:35:07,254 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1394 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1724 mSolverCounterSat, 476 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 476 IncrementalHoareTripleChecker+Valid, 1724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:35:07,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 884 Invalid, 2200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [476 Valid, 1724 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:35:07,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19432 states. [2024-10-12 19:35:07,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19432 to 19249. [2024-10-12 19:35:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19249 states, 15948 states have (on average 1.6535615751191373) internal successors, (26371), 15954 states have internal predecessors, (26371), 3274 states have call successors, (3274), 22 states have call predecessors, (3274), 26 states have return successors, (3613), 3272 states have call predecessors, (3613), 3273 states have call successors, (3613) [2024-10-12 19:35:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19249 states to 19249 states and 33258 transitions. [2024-10-12 19:35:08,042 INFO L78 Accepts]: Start accepts. Automaton has 19249 states and 33258 transitions. Word has length 113 [2024-10-12 19:35:08,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:35:08,043 INFO L471 AbstractCegarLoop]: Abstraction has 19249 states and 33258 transitions. [2024-10-12 19:35:08,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 19249 states and 33258 transitions. [2024-10-12 19:35:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-12 19:35:08,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:35:08,061 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:35:08,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 19:35:08,061 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:35:08,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:35:08,062 INFO L85 PathProgramCache]: Analyzing trace with hash -118328518, now seen corresponding path program 1 times [2024-10-12 19:35:08,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:35:08,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185812991] [2024-10-12 19:35:08,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:35:08,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:35:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:35:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:35:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:35:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:35:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:35:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:35:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:35:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:35:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:35:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:35:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:35:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-12 19:35:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:35:08,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:35:08,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185812991] [2024-10-12 19:35:08,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185812991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:35:08,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:35:08,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:35:08,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104167250] [2024-10-12 19:35:08,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:35:08,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:35:08,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:35:08,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:35:08,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:35:08,328 INFO L87 Difference]: Start difference. First operand 19249 states and 33258 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:35:10,620 INFO L93 Difference]: Finished difference Result 51039 states and 89706 transitions. [2024-10-12 19:35:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:35:10,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-10-12 19:35:10,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:35:10,850 INFO L225 Difference]: With dead ends: 51039 [2024-10-12 19:35:10,851 INFO L226 Difference]: Without dead ends: 34561 [2024-10-12 19:35:10,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:35:10,894 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1395 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:35:10,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 908 Invalid, 2193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:35:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34561 states. [2024-10-12 19:35:11,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34561 to 34378. [2024-10-12 19:35:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34378 states, 28627 states have (on average 1.6507492926258427) internal successors, (47256), 28633 states have internal predecessors, (47256), 5724 states have call successors, (5724), 22 states have call predecessors, (5724), 26 states have return successors, (6337), 5722 states have call predecessors, (6337), 5723 states have call successors, (6337) [2024-10-12 19:35:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34378 states to 34378 states and 59317 transitions. [2024-10-12 19:35:12,172 INFO L78 Accepts]: Start accepts. Automaton has 34378 states and 59317 transitions. Word has length 114 [2024-10-12 19:35:12,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:35:12,172 INFO L471 AbstractCegarLoop]: Abstraction has 34378 states and 59317 transitions. [2024-10-12 19:35:12,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 34378 states and 59317 transitions. [2024-10-12 19:35:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-12 19:35:12,197 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:35:12,198 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:35:12,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-12 19:35:12,199 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:35:12,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:35:12,199 INFO L85 PathProgramCache]: Analyzing trace with hash 687958427, now seen corresponding path program 1 times [2024-10-12 19:35:12,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:35:12,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672450586] [2024-10-12 19:35:12,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:35:12,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:35:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:35:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:35:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:35:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:35:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:35:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:35:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:35:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:35:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-12 19:35:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:35:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:35:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:35:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:35:12,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:35:12,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672450586] [2024-10-12 19:35:12,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672450586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:35:12,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:35:12,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:35:12,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747179389] [2024-10-12 19:35:12,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:35:12,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:35:12,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:35:12,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:35:12,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:35:12,300 INFO L87 Difference]: Start difference. First operand 34378 states and 59317 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:15,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:35:15,627 INFO L93 Difference]: Finished difference Result 93921 states and 164300 transitions. [2024-10-12 19:35:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:35:15,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-10-12 19:35:15,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:35:15,958 INFO L225 Difference]: With dead ends: 93921 [2024-10-12 19:35:15,958 INFO L226 Difference]: Without dead ends: 63237 [2024-10-12 19:35:16,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:35:16,060 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1391 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 19:35:16,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 920 Invalid, 2206 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [488 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 19:35:16,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63237 states. [2024-10-12 19:35:18,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63237 to 63054. [2024-10-12 19:35:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63054 states, 52790 states have (on average 1.6470543663572645) internal successors, (86948), 52796 states have internal predecessors, (86948), 10237 states have call successors, (10237), 22 states have call predecessors, (10237), 26 states have return successors, (11382), 10235 states have call predecessors, (11382), 10236 states have call successors, (11382) [2024-10-12 19:35:18,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63054 states to 63054 states and 108567 transitions. [2024-10-12 19:35:18,685 INFO L78 Accepts]: Start accepts. Automaton has 63054 states and 108567 transitions. Word has length 115 [2024-10-12 19:35:18,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:35:18,686 INFO L471 AbstractCegarLoop]: Abstraction has 63054 states and 108567 transitions. [2024-10-12 19:35:18,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 63054 states and 108567 transitions. [2024-10-12 19:35:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-12 19:35:18,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:35:18,714 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:35:18,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-12 19:35:18,715 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:35:18,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:35:18,715 INFO L85 PathProgramCache]: Analyzing trace with hash -177795654, now seen corresponding path program 1 times [2024-10-12 19:35:18,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:35:18,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799824367] [2024-10-12 19:35:18,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:35:18,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:35:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:35:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:35:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:35:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:35:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:35:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:35:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:35:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 19:35:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:35:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-12 19:35:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:35:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-12 19:35:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:35:18,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:35:18,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799824367] [2024-10-12 19:35:18,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799824367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:35:18,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:35:18,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:35:18,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304338975] [2024-10-12 19:35:18,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:35:18,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:35:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:35:18,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:35:18,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:35:18,858 INFO L87 Difference]: Start difference. First operand 63054 states and 108567 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:23,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:35:23,314 INFO L93 Difference]: Finished difference Result 118301 states and 207452 transitions. [2024-10-12 19:35:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:35:23,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-10-12 19:35:23,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:35:23,860 INFO L225 Difference]: With dead ends: 118301 [2024-10-12 19:35:23,860 INFO L226 Difference]: Without dead ends: 118123 [2024-10-12 19:35:23,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:35:23,934 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1385 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-12 19:35:23,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 919 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-12 19:35:24,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118123 states. [2024-10-12 19:35:27,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118123 to 117940. [2024-10-12 19:35:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117940 states, 99308 states have (on average 1.6423450275909293) internal successors, (163098), 99314 states have internal predecessors, (163098), 18605 states have call successors, (18605), 22 states have call predecessors, (18605), 26 states have return successors, (20796), 18603 states have call predecessors, (20796), 18604 states have call successors, (20796) [2024-10-12 19:35:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117940 states to 117940 states and 202499 transitions. [2024-10-12 19:35:29,137 INFO L78 Accepts]: Start accepts. Automaton has 117940 states and 202499 transitions. Word has length 116 [2024-10-12 19:35:29,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:35:29,139 INFO L471 AbstractCegarLoop]: Abstraction has 117940 states and 202499 transitions. [2024-10-12 19:35:29,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-12 19:35:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 117940 states and 202499 transitions. [2024-10-12 19:35:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-12 19:35:29,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:35:29,172 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:35:29,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-12 19:35:29,173 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:35:29,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:35:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1311412870, now seen corresponding path program 1 times [2024-10-12 19:35:29,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:35:29,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673655564] [2024-10-12 19:35:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:35:29,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:35:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:35:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:35:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:35:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:35:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:35:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:35:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:35:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:35:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-12 19:35:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:35:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 19:35:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 19:35:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:35:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:35:29,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:35:29,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673655564] [2024-10-12 19:35:29,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673655564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:35:29,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:35:29,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 19:35:29,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932920799] [2024-10-12 19:35:29,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:35:29,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 19:35:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:35:29,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 19:35:29,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:35:29,387 INFO L87 Difference]: Start difference. First operand 117940 states and 202499 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-12 19:35:34,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:35:34,131 INFO L93 Difference]: Finished difference Result 118116 states and 206087 transitions. [2024-10-12 19:35:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:35:34,131 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-10-12 19:35:34,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:35:34,165 INFO L225 Difference]: With dead ends: 118116 [2024-10-12 19:35:34,165 INFO L226 Difference]: Without dead ends: 0 [2024-10-12 19:35:34,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-12 19:35:34,366 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1264 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 3665 mSolverCounterSat, 411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 411 IncrementalHoareTripleChecker+Valid, 3665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-12 19:35:34,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 1403 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [411 Valid, 3665 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-12 19:35:34,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-12 19:35:34,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-12 19:35:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 19:35:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-12 19:35:34,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2024-10-12 19:35:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:35:34,411 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 19:35:34,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-12 19:35:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-12 19:35:34,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-12 19:35:34,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 19:35:34,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-12 19:35:34,417 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:35:34,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.