./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_spec6_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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_spec6_product20.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 d4216ddf014ff953368f9c10444517e5ad475a960f2c91abb81cda95e6b2b3bf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:00:25,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:00:25,781 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:00:25,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:00:25,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:00:25,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:00:25,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:00:25,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:00:25,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:00:25,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:00:25,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:00:25,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:00:25,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:00:25,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:00:25,801 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:00:25,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:00:25,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:00:25,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:00:25,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:00:25,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:00:25,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:00:25,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:00:25,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:00:25,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:00:25,804 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:00:25,804 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:00:25,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:00:25,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:00:25,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:00:25,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:00:25,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:00:25,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:00:25,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:00:25,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:00:25,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:00:25,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:00:25,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:00:25,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:00:25,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:00:25,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:00:25,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:00:25,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:00:25,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4216ddf014ff953368f9c10444517e5ad475a960f2c91abb81cda95e6b2b3bf [2024-10-14 03:00:25,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:00:25,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:00:26,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:00:26,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:00:26,002 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:00:26,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2024-10-14 03:00:27,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:00:27,424 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:00:27,425 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2024-10-14 03:00:27,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b827a1774/67daf9a8cac541248badcfa45cf349c6/FLAG9d08c4c25 [2024-10-14 03:00:27,454 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b827a1774/67daf9a8cac541248badcfa45cf349c6 [2024-10-14 03:00:27,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:00:27,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:00:27,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:00:27,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:00:27,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:00:27,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:00:27" (1/1) ... [2024-10-14 03:00:27,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca5c5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:27, skipping insertion in model container [2024-10-14 03:00:27,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:00:27" (1/1) ... [2024-10-14 03:00:27,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:00:27,944 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_spec6_product20.cil.c[56376,56389] [2024-10-14 03:00:27,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:00:27,990 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:00:27,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-10-14 03:00:27,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [97] [2024-10-14 03:00:27,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [326] [2024-10-14 03:00:27,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1406] [2024-10-14 03:00:28,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1772] [2024-10-14 03:00:28,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2184] [2024-10-14 03:00:28,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2234] [2024-10-14 03:00:28,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2528] [2024-10-14 03:00:28,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2537] [2024-10-14 03:00:28,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2846] [2024-10-14 03:00:28,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2863] [2024-10-14 03:00:28,071 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_spec6_product20.cil.c[56376,56389] [2024-10-14 03:00:28,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:00:28,114 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:00:28,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28 WrapperNode [2024-10-14 03:00:28,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:00:28,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:00:28,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:00:28,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:00:28,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,191 INFO L138 Inliner]: procedures = 129, calls = 202, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 940 [2024-10-14 03:00:28,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:00:28,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:00:28,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:00:28,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:00:28,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,241 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]. [2024-10-14 03:00:28,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:00:28,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:00:28,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:00:28,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:00:28,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (1/1) ... [2024-10-14 03:00:28,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:00:28,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:28,316 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) [2024-10-14 03:00:28,318 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 [2024-10-14 03:00:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-14 03:00:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-14 03:00:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-14 03:00:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-14 03:00:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-14 03:00:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-14 03:00:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-14 03:00:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-14 03:00:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-14 03:00:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-14 03:00:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-14 03:00:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-14 03:00:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-14 03:00:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-14 03:00:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-14 03:00:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-14 03:00:28,360 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-14 03:00:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-14 03:00:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-14 03:00:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-14 03:00:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-14 03:00:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-14 03:00:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-14 03:00:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-14 03:00:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-14 03:00:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-14 03:00:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:00:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-14 03:00:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-14 03:00:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-14 03:00:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-14 03:00:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-14 03:00:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-14 03:00:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-14 03:00:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-14 03:00:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-14 03:00:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-14 03:00:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-14 03:00:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-14 03:00:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-14 03:00:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-14 03:00:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-14 03:00:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-14 03:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-14 03:00:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-14 03:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 03:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 03:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 03:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-14 03:00:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-14 03:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-14 03:00:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-14 03:00:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:00:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:00:28,510 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:00:28,511 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:00:29,194 INFO L? ?]: Removed 478 outVars from TransFormulas that were not future-live. [2024-10-14 03:00:29,194 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:00:29,241 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:00:29,241 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 03:00:29,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:00:29 BoogieIcfgContainer [2024-10-14 03:00:29,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:00:29,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:00:29,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:00:29,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:00:29,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:00:27" (1/3) ... [2024-10-14 03:00:29,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5fb3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:00:29, skipping insertion in model container [2024-10-14 03:00:29,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:00:28" (2/3) ... [2024-10-14 03:00:29,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5fb3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:00:29, skipping insertion in model container [2024-10-14 03:00:29,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:00:29" (3/3) ... [2024-10-14 03:00:29,248 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product20.cil.c [2024-10-14 03:00:29,260 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:00:29,260 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:00:29,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:00:29,324 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;@24dd1c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:00:29,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:00:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 351 states, 267 states have (on average 1.6217228464419475) internal successors, (433), 272 states have internal predecessors, (433), 58 states have call successors, (58), 24 states have call predecessors, (58), 24 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-14 03:00:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-14 03:00:29,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:29,352 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:29,353 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:29,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:29,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1340731310, now seen corresponding path program 1 times [2024-10-14 03:00:29,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:29,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600449960] [2024-10-14 03:00:29,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:29,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:00:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:00:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:00:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 03:00:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 03:00:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:00:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:00:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:00:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:00:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:00:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:00:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:00:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 03:00:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-14 03:00:29,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:29,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600449960] [2024-10-14 03:00:29,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600449960] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:29,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149309526] [2024-10-14 03:00:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:29,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:29,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:29,987 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) [2024-10-14 03:00:29,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 03:00:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 03:00:30,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 03:00:30,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:30,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149309526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:30,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:30,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-14 03:00:30,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80829645] [2024-10-14 03:00:30,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:30,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:00:30,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:30,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:00:30,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:00:30,337 INFO L87 Difference]: Start difference. First operand has 351 states, 267 states have (on average 1.6217228464419475) internal successors, (433), 272 states have internal predecessors, (433), 58 states have call successors, (58), 24 states have call predecessors, (58), 24 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 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:30,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:30,416 INFO L93 Difference]: Finished difference Result 518 states and 797 transitions. [2024-10-14 03:00:30,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:00:30,420 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 116 [2024-10-14 03:00:30,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:30,436 INFO L225 Difference]: With dead ends: 518 [2024-10-14 03:00:30,436 INFO L226 Difference]: Without dead ends: 348 [2024-10-14 03:00:30,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:00:30,445 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:30,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 531 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:00:30,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-10-14 03:00:30,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2024-10-14 03:00:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 265 states have (on average 1.6075471698113208) internal successors, (426), 269 states have internal predecessors, (426), 58 states have call successors, (58), 24 states have call predecessors, (58), 24 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-14 03:00:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 541 transitions. [2024-10-14 03:00:30,500 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 541 transitions. Word has length 116 [2024-10-14 03:00:30,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:30,501 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 541 transitions. [2024-10-14 03:00:30,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 541 transitions. [2024-10-14 03:00:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-14 03:00:30,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:30,506 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:30,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 03:00:30,707 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 [2024-10-14 03:00:30,708 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:30,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash -769185497, now seen corresponding path program 1 times [2024-10-14 03:00:30,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:30,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535999108] [2024-10-14 03:00:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:30,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:00:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:00:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:00:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 03:00:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 03:00:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:00:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:00:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:00:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:00:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:00:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:00:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:00:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:00:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-14 03:00:31,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:31,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535999108] [2024-10-14 03:00:31,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535999108] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:31,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650597433] [2024-10-14 03:00:31,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:31,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:31,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:31,024 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) [2024-10-14 03:00:31,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 03:00:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 03:00:31,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 03:00:31,299 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:31,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650597433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:31,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:31,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:00:31,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795737982] [2024-10-14 03:00:31,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:31,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:00:31,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:31,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:00:31,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:00:31,303 INFO L87 Difference]: Start difference. First operand 348 states and 541 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:31,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:31,366 INFO L93 Difference]: Finished difference Result 514 states and 781 transitions. [2024-10-14 03:00:31,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:00:31,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 117 [2024-10-14 03:00:31,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:31,370 INFO L225 Difference]: With dead ends: 514 [2024-10-14 03:00:31,373 INFO L226 Difference]: Without dead ends: 350 [2024-10-14 03:00:31,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:00:31,377 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 0 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:31,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1055 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:00:31,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-14 03:00:31,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2024-10-14 03:00:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 267 states have (on average 1.6029962546816479) internal successors, (428), 271 states have internal predecessors, (428), 58 states have call successors, (58), 24 states have call predecessors, (58), 24 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-14 03:00:31,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 543 transitions. [2024-10-14 03:00:31,408 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 543 transitions. Word has length 117 [2024-10-14 03:00:31,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:31,409 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 543 transitions. [2024-10-14 03:00:31,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 543 transitions. [2024-10-14 03:00:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 03:00:31,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:31,411 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:31,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 03:00:31,612 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 [2024-10-14 03:00:31,612 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:31,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:31,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1292295343, now seen corresponding path program 1 times [2024-10-14 03:00:31,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:31,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422966355] [2024-10-14 03:00:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:31,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:00:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:00:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:00:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 03:00:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:00:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:00:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:00:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:00:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:00:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:00:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:00:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:00:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 03:00:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 03:00:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 03:00:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 03:00:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:31,857 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 03:00:31,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:31,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422966355] [2024-10-14 03:00:31,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422966355] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:31,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384905326] [2024-10-14 03:00:31,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:31,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:31,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:31,859 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) [2024-10-14 03:00:31,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 03:00:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:00:32,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-14 03:00:32,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:32,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384905326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:32,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:32,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:00:32,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580925595] [2024-10-14 03:00:32,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:32,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:00:32,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:32,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:00:32,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:00:32,121 INFO L87 Difference]: Start difference. First operand 350 states and 543 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:32,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:32,171 INFO L93 Difference]: Finished difference Result 748 states and 1178 transitions. [2024-10-14 03:00:32,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:00:32,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 142 [2024-10-14 03:00:32,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:32,174 INFO L225 Difference]: With dead ends: 748 [2024-10-14 03:00:32,174 INFO L226 Difference]: Without dead ends: 420 [2024-10-14 03:00:32,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:00:32,176 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 129 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:32,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1013 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:00:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-10-14 03:00:32,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 415. [2024-10-14 03:00:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 318 states have (on average 1.619496855345912) internal successors, (515), 322 states have internal predecessors, (515), 72 states have call successors, (72), 24 states have call predecessors, (72), 24 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-14 03:00:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 658 transitions. [2024-10-14 03:00:32,191 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 658 transitions. Word has length 142 [2024-10-14 03:00:32,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:32,192 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 658 transitions. [2024-10-14 03:00:32,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:32,192 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 658 transitions. [2024-10-14 03:00:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 03:00:32,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:32,194 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:32,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 03:00:32,395 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 [2024-10-14 03:00:32,395 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:32,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:32,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2142515506, now seen corresponding path program 1 times [2024-10-14 03:00:32,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:32,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327412961] [2024-10-14 03:00:32,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:32,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:00:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:00:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:00:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 03:00:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:00:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:00:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:00:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:00:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:00:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:00:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:00:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:00:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 03:00:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 03:00:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 03:00:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 03:00:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 03:00:32,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:32,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327412961] [2024-10-14 03:00:32,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327412961] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:32,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129881826] [2024-10-14 03:00:32,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:32,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:32,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:32,557 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) [2024-10-14 03:00:32,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 03:00:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:32,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 03:00:32,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 03:00:32,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:32,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129881826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:32,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:32,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 03:00:32,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329780414] [2024-10-14 03:00:32,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:32,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:00:32,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:32,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:00:32,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:00:32,858 INFO L87 Difference]: Start difference. First operand 415 states and 658 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-14 03:00:32,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:32,965 INFO L93 Difference]: Finished difference Result 825 states and 1310 transitions. [2024-10-14 03:00:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:00:32,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 143 [2024-10-14 03:00:32,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:32,967 INFO L225 Difference]: With dead ends: 825 [2024-10-14 03:00:32,967 INFO L226 Difference]: Without dead ends: 417 [2024-10-14 03:00:32,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:00:32,970 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 2 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:32,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2069 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:00:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-10-14 03:00:32,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-10-14 03:00:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 319 states have (on average 1.6175548589341693) internal successors, (516), 324 states have internal predecessors, (516), 72 states have call successors, (72), 24 states have call predecessors, (72), 25 states have return successors, (73), 70 states have call predecessors, (73), 71 states have call successors, (73) [2024-10-14 03:00:32,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 661 transitions. [2024-10-14 03:00:32,993 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 661 transitions. Word has length 143 [2024-10-14 03:00:32,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:32,993 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 661 transitions. [2024-10-14 03:00:32,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-14 03:00:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 661 transitions. [2024-10-14 03:00:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-14 03:00:32,997 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:32,997 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:33,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 03:00:33,197 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 [2024-10-14 03:00:33,198 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:33,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:33,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1534895324, now seen corresponding path program 1 times [2024-10-14 03:00:33,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:33,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052375418] [2024-10-14 03:00:33,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:33,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 03:00:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 03:00:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 03:00:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:00:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:00:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:00:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:00:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:00:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:00:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:00:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:00:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 03:00:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:00:33,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:33,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052375418] [2024-10-14 03:00:33,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052375418] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:33,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610793735] [2024-10-14 03:00:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:33,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:33,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:33,397 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) [2024-10-14 03:00:33,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 03:00:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:33,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 03:00:33,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 03:00:33,675 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:00:33,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610793735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:33,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:00:33,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-14 03:00:33,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124914901] [2024-10-14 03:00:33,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:33,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:00:33,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:33,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:00:33,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:00:33,678 INFO L87 Difference]: Start difference. First operand 417 states and 661 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-14 03:00:33,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:33,757 INFO L93 Difference]: Finished difference Result 827 states and 1315 transitions. [2024-10-14 03:00:33,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:00:33,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 126 [2024-10-14 03:00:33,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:33,760 INFO L225 Difference]: With dead ends: 827 [2024-10-14 03:00:33,761 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 03:00:33,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:00:33,763 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 2 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2055 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:33,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2055 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:00:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 03:00:33,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-14 03:00:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 320 states have (on average 1.615625) internal successors, (517), 326 states have internal predecessors, (517), 72 states have call successors, (72), 24 states have call predecessors, (72), 26 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2024-10-14 03:00:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 667 transitions. [2024-10-14 03:00:33,780 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 667 transitions. Word has length 126 [2024-10-14 03:00:33,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:33,780 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 667 transitions. [2024-10-14 03:00:33,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-14 03:00:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 667 transitions. [2024-10-14 03:00:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-14 03:00:33,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:33,782 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:33,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 03:00:33,983 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 [2024-10-14 03:00:33,983 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:33,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:33,983 INFO L85 PathProgramCache]: Analyzing trace with hash 214802599, now seen corresponding path program 1 times [2024-10-14 03:00:33,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:33,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053611164] [2024-10-14 03:00:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:33,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 03:00:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 03:00:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 03:00:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:00:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 03:00:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:00:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 03:00:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:00:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:00:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:00:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 03:00:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 03:00:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 03:00:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 03:00:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 03:00:34,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:34,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053611164] [2024-10-14 03:00:34,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053611164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:34,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:34,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:00:34,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918881807] [2024-10-14 03:00:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:34,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:00:34,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:34,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:00:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:00:34,173 INFO L87 Difference]: Start difference. First operand 419 states and 667 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-14 03:00:35,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:35,742 INFO L93 Difference]: Finished difference Result 908 states and 1476 transitions. [2024-10-14 03:00:35,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:00:35,742 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 145 [2024-10-14 03:00:35,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:35,746 INFO L225 Difference]: With dead ends: 908 [2024-10-14 03:00:35,746 INFO L226 Difference]: Without dead ends: 508 [2024-10-14 03:00:35,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:00:35,748 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1144 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 2677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:35,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1197 Invalid, 2677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 2281 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 03:00:35,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-10-14 03:00:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 419. [2024-10-14 03:00:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 320 states have (on average 1.615625) internal successors, (517), 326 states have internal predecessors, (517), 72 states have call successors, (72), 24 states have call predecessors, (72), 26 states have return successors, (77), 70 states have call predecessors, (77), 71 states have call successors, (77) [2024-10-14 03:00:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 666 transitions. [2024-10-14 03:00:35,791 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 666 transitions. Word has length 145 [2024-10-14 03:00:35,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:35,792 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 666 transitions. [2024-10-14 03:00:35,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-14 03:00:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 666 transitions. [2024-10-14 03:00:35,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-14 03:00:35,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:35,794 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:35,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:00:35,795 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:35,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:35,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1845631031, now seen corresponding path program 1 times [2024-10-14 03:00:35,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:35,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347757374] [2024-10-14 03:00:35,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:35,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 03:00:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 03:00:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 03:00:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:00:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:00:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:00:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:00:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:00:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 03:00:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 03:00:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 03:00:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:00:35,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:35,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347757374] [2024-10-14 03:00:35,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347757374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:35,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:35,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:00:35,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863989744] [2024-10-14 03:00:35,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:35,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:00:35,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:35,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:00:35,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:00:35,948 INFO L87 Difference]: Start difference. First operand 419 states and 666 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-14 03:00:37,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:37,447 INFO L93 Difference]: Finished difference Result 910 states and 1479 transitions. [2024-10-14 03:00:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:00:37,448 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 128 [2024-10-14 03:00:37,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:37,450 INFO L225 Difference]: With dead ends: 910 [2024-10-14 03:00:37,450 INFO L226 Difference]: Without dead ends: 510 [2024-10-14 03:00:37,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:00:37,453 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1137 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:37,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 1199 Invalid, 2721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 03:00:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-10-14 03:00:37,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 421. [2024-10-14 03:00:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 321 states have (on average 1.6137071651090342) internal successors, (518), 328 states have internal predecessors, (518), 72 states have call successors, (72), 24 states have call predecessors, (72), 27 states have return successors, (79), 70 states have call predecessors, (79), 71 states have call successors, (79) [2024-10-14 03:00:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 669 transitions. [2024-10-14 03:00:37,481 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 669 transitions. Word has length 128 [2024-10-14 03:00:37,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:37,483 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 669 transitions. [2024-10-14 03:00:37,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-10-14 03:00:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 669 transitions. [2024-10-14 03:00:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-14 03:00:37,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:37,485 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:37,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 03:00:37,485 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:37,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2056504571, now seen corresponding path program 1 times [2024-10-14 03:00:37,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:37,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481151610] [2024-10-14 03:00:37,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:00:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 03:00:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:00:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:00:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:00:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:00:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:00:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:00:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 03:00:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 03:00:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:00:37,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:37,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481151610] [2024-10-14 03:00:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481151610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:37,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:37,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:00:37,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449374569] [2024-10-14 03:00:37,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:37,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:00:37,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:37,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:00:37,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:00:37,659 INFO L87 Difference]: Start difference. First operand 421 states and 669 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 03:00:39,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:39,598 INFO L93 Difference]: Finished difference Result 908 states and 1474 transitions. [2024-10-14 03:00:39,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:00:39,599 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 129 [2024-10-14 03:00:39,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:39,603 INFO L225 Difference]: With dead ends: 908 [2024-10-14 03:00:39,604 INFO L226 Difference]: Without dead ends: 510 [2024-10-14 03:00:39,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:00:39,606 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1141 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3880 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 4281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 3880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:39,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 1664 Invalid, 4281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3880 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 03:00:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-10-14 03:00:39,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 421. [2024-10-14 03:00:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 321 states have (on average 1.6137071651090342) internal successors, (518), 328 states have internal predecessors, (518), 72 states have call successors, (72), 24 states have call predecessors, (72), 27 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2024-10-14 03:00:39,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 668 transitions. [2024-10-14 03:00:39,637 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 668 transitions. Word has length 129 [2024-10-14 03:00:39,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:39,637 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 668 transitions. [2024-10-14 03:00:39,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 03:00:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 668 transitions. [2024-10-14 03:00:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 03:00:39,639 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:39,639 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:39,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 03:00:39,639 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:39,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:39,639 INFO L85 PathProgramCache]: Analyzing trace with hash -792057900, now seen corresponding path program 1 times [2024-10-14 03:00:39,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:39,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861976351] [2024-10-14 03:00:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:39,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:00:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:00:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:00:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:00:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:00:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:00:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:00:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:00:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 03:00:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 03:00:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 03:00:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 03:00:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 03:00:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:39,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:39,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861976351] [2024-10-14 03:00:39,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861976351] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:39,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:39,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:00:39,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376662093] [2024-10-14 03:00:39,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:39,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:00:39,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:39,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:00:39,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:00:39,866 INFO L87 Difference]: Start difference. First operand 421 states and 668 transitions. Second operand has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 03:00:41,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:41,573 INFO L93 Difference]: Finished difference Result 910 states and 1480 transitions. [2024-10-14 03:00:41,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:00:41,574 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 148 [2024-10-14 03:00:41,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:41,577 INFO L225 Difference]: With dead ends: 910 [2024-10-14 03:00:41,577 INFO L226 Difference]: Without dead ends: 512 [2024-10-14 03:00:41,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:00:41,579 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1139 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 4262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:41,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 1665 Invalid, 4262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 03:00:41,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-10-14 03:00:41,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 423. [2024-10-14 03:00:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 322 states have (on average 1.6118012422360248) internal successors, (519), 330 states have internal predecessors, (519), 72 states have call successors, (72), 24 states have call predecessors, (72), 28 states have return successors, (83), 70 states have call predecessors, (83), 71 states have call successors, (83) [2024-10-14 03:00:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 674 transitions. [2024-10-14 03:00:41,608 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 674 transitions. Word has length 148 [2024-10-14 03:00:41,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:41,608 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 674 transitions. [2024-10-14 03:00:41,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 03:00:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 674 transitions. [2024-10-14 03:00:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-14 03:00:41,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:41,610 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:41,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 03:00:41,610 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:41,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:41,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1121591057, now seen corresponding path program 1 times [2024-10-14 03:00:41,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:41,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292014802] [2024-10-14 03:00:41,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:41,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:00:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:00:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:00:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:00:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:00:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:00:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:00:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:00:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 03:00:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 03:00:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 03:00:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 03:00:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 03:00:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 03:00:41,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:41,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292014802] [2024-10-14 03:00:41,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292014802] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:00:41,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236137574] [2024-10-14 03:00:41,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:41,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:00:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:00:41,793 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) [2024-10-14 03:00:41,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 03:00:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:42,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:00:42,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:00:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 03:00:42,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:00:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 03:00:42,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236137574] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:00:42,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:00:42,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-14 03:00:42,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381356867] [2024-10-14 03:00:42,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:00:42,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 03:00:42,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:42,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 03:00:42,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:00:42,150 INFO L87 Difference]: Start difference. First operand 423 states and 674 transitions. Second operand has 15 states, 14 states have (on average 10.571428571428571) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (45), 6 states have call predecessors, (45), 3 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2024-10-14 03:00:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:44,198 INFO L93 Difference]: Finished difference Result 1329 states and 2256 transitions. [2024-10-14 03:00:44,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 03:00:44,198 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.571428571428571) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (45), 6 states have call predecessors, (45), 3 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 149 [2024-10-14 03:00:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:44,203 INFO L225 Difference]: With dead ends: 1329 [2024-10-14 03:00:44,203 INFO L226 Difference]: Without dead ends: 932 [2024-10-14 03:00:44,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-14 03:00:44,205 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 2329 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 4853 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 5631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 4853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:44,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 2008 Invalid, 5631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 4853 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 03:00:44,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-10-14 03:00:44,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 828. [2024-10-14 03:00:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 648 states have (on average 1.654320987654321) internal successors, (1072), 656 states have internal predecessors, (1072), 151 states have call successors, (151), 24 states have call predecessors, (151), 28 states have return successors, (172), 149 states have call predecessors, (172), 150 states have call successors, (172) [2024-10-14 03:00:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1395 transitions. [2024-10-14 03:00:44,254 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1395 transitions. Word has length 149 [2024-10-14 03:00:44,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:44,255 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1395 transitions. [2024-10-14 03:00:44,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.571428571428571) internal successors, (148), 11 states have internal predecessors, (148), 4 states have call successors, (45), 6 states have call predecessors, (45), 3 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2024-10-14 03:00:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1395 transitions. [2024-10-14 03:00:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 03:00:44,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:44,259 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:44,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 03:00:44,459 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 [2024-10-14 03:00:44,460 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:44,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:44,461 INFO L85 PathProgramCache]: Analyzing trace with hash -420012056, now seen corresponding path program 1 times [2024-10-14 03:00:44,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:44,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223390132] [2024-10-14 03:00:44,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:44,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:00:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:00:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:00:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:00:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:00:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:00:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:00:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 03:00:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 03:00:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 03:00:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 03:00:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 03:00:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 03:00:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 03:00:44,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:44,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223390132] [2024-10-14 03:00:44,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223390132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:44,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:44,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:44,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274681934] [2024-10-14 03:00:44,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:44,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:44,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:44,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:44,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:44,575 INFO L87 Difference]: Start difference. First operand 828 states and 1395 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:45,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:45,530 INFO L93 Difference]: Finished difference Result 2064 states and 3575 transitions. [2024-10-14 03:00:45,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:45,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2024-10-14 03:00:45,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:45,537 INFO L225 Difference]: With dead ends: 2064 [2024-10-14 03:00:45,537 INFO L226 Difference]: Without dead ends: 1304 [2024-10-14 03:00:45,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:45,539 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1270 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:45,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 915 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:00:45,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2024-10-14 03:00:45,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1210. [2024-10-14 03:00:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 951 states have (on average 1.665615141955836) internal successors, (1584), 959 states have internal predecessors, (1584), 230 states have call successors, (230), 24 states have call predecessors, (230), 28 states have return successors, (261), 228 states have call predecessors, (261), 229 states have call successors, (261) [2024-10-14 03:00:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 2075 transitions. [2024-10-14 03:00:45,606 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 2075 transitions. Word has length 153 [2024-10-14 03:00:45,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:45,606 INFO L471 AbstractCegarLoop]: Abstraction has 1210 states and 2075 transitions. [2024-10-14 03:00:45,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 2075 transitions. [2024-10-14 03:00:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 03:00:45,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:45,611 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:45,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 03:00:45,612 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:45,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:45,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1762699114, now seen corresponding path program 1 times [2024-10-14 03:00:45,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:45,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172928914] [2024-10-14 03:00:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:45,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:00:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:00:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:00:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:00:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:00:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:00:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:00:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 03:00:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 03:00:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 03:00:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 03:00:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 03:00:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 03:00:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 03:00:45,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:45,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172928914] [2024-10-14 03:00:45,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172928914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:45,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:45,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:45,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288803659] [2024-10-14 03:00:45,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:45,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:45,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:45,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:45,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:45,709 INFO L87 Difference]: Start difference. First operand 1210 states and 2075 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:46,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:46,660 INFO L93 Difference]: Finished difference Result 3015 states and 5261 transitions. [2024-10-14 03:00:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:46,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2024-10-14 03:00:46,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:46,669 INFO L225 Difference]: With dead ends: 3015 [2024-10-14 03:00:46,669 INFO L226 Difference]: Without dead ends: 1923 [2024-10-14 03:00:46,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:46,672 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1264 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:46,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 882 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:00:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2024-10-14 03:00:46,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1829. [2024-10-14 03:00:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1451 states have (on average 1.6705720192970366) internal successors, (2424), 1459 states have internal predecessors, (2424), 349 states have call successors, (349), 24 states have call predecessors, (349), 28 states have return successors, (380), 347 states have call predecessors, (380), 348 states have call successors, (380) [2024-10-14 03:00:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 3153 transitions. [2024-10-14 03:00:46,758 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 3153 transitions. Word has length 154 [2024-10-14 03:00:46,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:46,758 INFO L471 AbstractCegarLoop]: Abstraction has 1829 states and 3153 transitions. [2024-10-14 03:00:46,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 3153 transitions. [2024-10-14 03:00:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 03:00:46,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:46,764 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:46,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 03:00:46,765 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:46,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:46,765 INFO L85 PathProgramCache]: Analyzing trace with hash -780696603, now seen corresponding path program 1 times [2024-10-14 03:00:46,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:46,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548747409] [2024-10-14 03:00:46,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:46,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:00:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:00:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:00:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:00:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:00:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:00:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:00:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 03:00:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 03:00:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 03:00:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:46,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:46,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548747409] [2024-10-14 03:00:46,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548747409] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:46,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:46,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:46,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499367980] [2024-10-14 03:00:46,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:46,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:46,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:46,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:46,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:46,857 INFO L87 Difference]: Start difference. First operand 1829 states and 3153 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:47,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:47,885 INFO L93 Difference]: Finished difference Result 4455 states and 7832 transitions. [2024-10-14 03:00:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:47,887 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2024-10-14 03:00:47,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:47,898 INFO L225 Difference]: With dead ends: 4455 [2024-10-14 03:00:47,899 INFO L226 Difference]: Without dead ends: 2872 [2024-10-14 03:00:47,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:47,903 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1265 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:47,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 872 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:47,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2872 states. [2024-10-14 03:00:47,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2872 to 2778. [2024-10-14 03:00:47,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 2238 states have (on average 1.6751563896336015) internal successors, (3749), 2246 states have internal predecessors, (3749), 511 states have call successors, (511), 24 states have call predecessors, (511), 28 states have return successors, (558), 509 states have call predecessors, (558), 510 states have call successors, (558) [2024-10-14 03:00:47,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 4818 transitions. [2024-10-14 03:00:47,986 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 4818 transitions. Word has length 137 [2024-10-14 03:00:47,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:47,986 INFO L471 AbstractCegarLoop]: Abstraction has 2778 states and 4818 transitions. [2024-10-14 03:00:47,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 4818 transitions. [2024-10-14 03:00:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-14 03:00:47,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:47,996 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:47,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 03:00:47,996 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:47,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:47,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1763050933, now seen corresponding path program 1 times [2024-10-14 03:00:47,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:47,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525966307] [2024-10-14 03:00:47,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:47,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:00:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:00:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:00:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:00:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:00:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:00:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:00:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 03:00:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 03:00:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 03:00:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 03:00:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 03:00:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 03:00:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 03:00:48,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:48,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525966307] [2024-10-14 03:00:48,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525966307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:48,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:48,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:48,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679980437] [2024-10-14 03:00:48,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:48,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:48,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:48,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:48,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:48,093 INFO L87 Difference]: Start difference. First operand 2778 states and 4818 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:49,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:49,228 INFO L93 Difference]: Finished difference Result 6727 states and 11900 transitions. [2024-10-14 03:00:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:49,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-10-14 03:00:49,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:49,245 INFO L225 Difference]: With dead ends: 6727 [2024-10-14 03:00:49,245 INFO L226 Difference]: Without dead ends: 4404 [2024-10-14 03:00:49,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:49,253 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1258 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:49,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 875 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:49,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2024-10-14 03:00:49,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4310. [2024-10-14 03:00:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4310 states, 3525 states have (on average 1.678581560283688) internal successors, (5917), 3533 states have internal predecessors, (5917), 756 states have call successors, (756), 24 states have call predecessors, (756), 28 states have return successors, (829), 754 states have call predecessors, (829), 755 states have call successors, (829) [2024-10-14 03:00:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 4310 states and 7502 transitions. [2024-10-14 03:00:49,387 INFO L78 Accepts]: Start accepts. Automaton has 4310 states and 7502 transitions. Word has length 156 [2024-10-14 03:00:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:49,387 INFO L471 AbstractCegarLoop]: Abstraction has 4310 states and 7502 transitions. [2024-10-14 03:00:49,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4310 states and 7502 transitions. [2024-10-14 03:00:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-14 03:00:49,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:49,400 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:49,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 03:00:49,400 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:49,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:49,401 INFO L85 PathProgramCache]: Analyzing trace with hash 264470177, now seen corresponding path program 1 times [2024-10-14 03:00:49,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:49,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122761889] [2024-10-14 03:00:49,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:49,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:00:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:00:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:00:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:00:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:00:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:00:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:00:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 03:00:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 03:00:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 03:00:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:49,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:49,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122761889] [2024-10-14 03:00:49,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122761889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:49,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:49,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:49,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676580162] [2024-10-14 03:00:49,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:49,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:49,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:49,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:49,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:49,487 INFO L87 Difference]: Start difference. First operand 4310 states and 7502 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:50,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:50,648 INFO L93 Difference]: Finished difference Result 10780 states and 19111 transitions. [2024-10-14 03:00:50,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:50,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 139 [2024-10-14 03:00:50,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:50,677 INFO L225 Difference]: With dead ends: 10780 [2024-10-14 03:00:50,677 INFO L226 Difference]: Without dead ends: 7164 [2024-10-14 03:00:50,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:50,689 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1257 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:50,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 923 Invalid, 1810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:00:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2024-10-14 03:00:50,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7070. [2024-10-14 03:00:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7070 states, 5792 states have (on average 1.6735151933701657) internal successors, (9693), 5800 states have internal predecessors, (9693), 1249 states have call successors, (1249), 24 states have call predecessors, (1249), 28 states have return successors, (1366), 1247 states have call predecessors, (1366), 1248 states have call successors, (1366) [2024-10-14 03:00:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7070 states to 7070 states and 12308 transitions. [2024-10-14 03:00:50,917 INFO L78 Accepts]: Start accepts. Automaton has 7070 states and 12308 transitions. Word has length 139 [2024-10-14 03:00:50,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:50,917 INFO L471 AbstractCegarLoop]: Abstraction has 7070 states and 12308 transitions. [2024-10-14 03:00:50,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 7070 states and 12308 transitions. [2024-10-14 03:00:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-14 03:00:50,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:50,937 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:50,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 03:00:50,937 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:50,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1851234959, now seen corresponding path program 1 times [2024-10-14 03:00:50,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:50,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731848352] [2024-10-14 03:00:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:50,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:50,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:50,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:50,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:50,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:50,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:00:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:00:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:00:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 03:00:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:00:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:00:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:00:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 03:00:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 03:00:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 03:00:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 03:00:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 03:00:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 03:00:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 03:00:51,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:51,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731848352] [2024-10-14 03:00:51,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731848352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:51,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:51,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:51,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304819018] [2024-10-14 03:00:51,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:51,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:51,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:51,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:51,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:51,024 INFO L87 Difference]: Start difference. First operand 7070 states and 12308 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:52,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:52,166 INFO L93 Difference]: Finished difference Result 17983 states and 31858 transitions. [2024-10-14 03:00:52,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:52,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-10-14 03:00:52,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:52,251 INFO L225 Difference]: With dead ends: 17983 [2024-10-14 03:00:52,251 INFO L226 Difference]: Without dead ends: 11993 [2024-10-14 03:00:52,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:52,268 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1254 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:52,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 873 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:52,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11993 states. [2024-10-14 03:00:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11993 to 11899. [2024-10-14 03:00:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11899 states, 9799 states have (on average 1.673027859985713) internal successors, (16394), 9807 states have internal predecessors, (16394), 2071 states have call successors, (2071), 24 states have call predecessors, (2071), 28 states have return successors, (2266), 2069 states have call predecessors, (2266), 2070 states have call successors, (2266) [2024-10-14 03:00:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11899 states to 11899 states and 20731 transitions. [2024-10-14 03:00:52,642 INFO L78 Accepts]: Start accepts. Automaton has 11899 states and 20731 transitions. Word has length 158 [2024-10-14 03:00:52,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:52,642 INFO L471 AbstractCegarLoop]: Abstraction has 11899 states and 20731 transitions. [2024-10-14 03:00:52,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 11899 states and 20731 transitions. [2024-10-14 03:00:52,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-14 03:00:52,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:52,671 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:52,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 03:00:52,671 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:52,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:52,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1251515828, now seen corresponding path program 1 times [2024-10-14 03:00:52,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:52,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090502845] [2024-10-14 03:00:52,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:52,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:00:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 03:00:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 03:00:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:00:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:00:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:00:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 03:00:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 03:00:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 03:00:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-14 03:00:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 03:00:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 03:00:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 03:00:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-14 03:00:52,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:52,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090502845] [2024-10-14 03:00:52,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090502845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:52,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:52,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:52,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618497329] [2024-10-14 03:00:52,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:52,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:52,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:52,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:52,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:52,803 INFO L87 Difference]: Start difference. First operand 11899 states and 20731 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:54,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:54,099 INFO L93 Difference]: Finished difference Result 28529 states and 50306 transitions. [2024-10-14 03:00:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:54,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 159 [2024-10-14 03:00:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:54,164 INFO L225 Difference]: With dead ends: 28529 [2024-10-14 03:00:54,165 INFO L226 Difference]: Without dead ends: 18665 [2024-10-14 03:00:54,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:54,191 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1252 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:54,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 854 Invalid, 1764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:00:54,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18665 states. [2024-10-14 03:00:54,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18665 to 18571. [2024-10-14 03:00:54,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18571 states, 15268 states have (on average 1.649397432538643) internal successors, (25183), 15276 states have internal predecessors, (25183), 3274 states have call successors, (3274), 24 states have call predecessors, (3274), 28 states have return successors, (3613), 3272 states have call predecessors, (3613), 3273 states have call successors, (3613) [2024-10-14 03:00:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18571 states to 18571 states and 32070 transitions. [2024-10-14 03:00:54,855 INFO L78 Accepts]: Start accepts. Automaton has 18571 states and 32070 transitions. Word has length 159 [2024-10-14 03:00:54,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:54,856 INFO L471 AbstractCegarLoop]: Abstraction has 18571 states and 32070 transitions. [2024-10-14 03:00:54,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 03:00:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 18571 states and 32070 transitions. [2024-10-14 03:00:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 03:00:54,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:54,885 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:54,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 03:00:54,885 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:54,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:54,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1991637633, now seen corresponding path program 1 times [2024-10-14 03:00:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:54,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722209415] [2024-10-14 03:00:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:54,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:00:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 03:00:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:00:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:00:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:00:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:00:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 03:00:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 03:00:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 03:00:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:54,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 03:00:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:55,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:55,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722209415] [2024-10-14 03:00:55,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722209415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:55,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:55,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:55,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084160008] [2024-10-14 03:00:55,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:55,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:55,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:55,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:55,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:55,003 INFO L87 Difference]: Start difference. First operand 18571 states and 32070 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:56,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:00:56,685 INFO L93 Difference]: Finished difference Result 49162 states and 86425 transitions. [2024-10-14 03:00:56,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:00:56,686 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 142 [2024-10-14 03:00:56,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:00:56,789 INFO L225 Difference]: With dead ends: 49162 [2024-10-14 03:00:56,790 INFO L226 Difference]: Without dead ends: 33246 [2024-10-14 03:00:56,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:00:56,827 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1251 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:00:56,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 872 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:00:56,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33246 states. [2024-10-14 03:00:57,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33246 to 33152. [2024-10-14 03:00:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33152 states, 27399 states have (on average 1.6463739552538414) internal successors, (45109), 27407 states have internal predecessors, (45109), 5724 states have call successors, (5724), 24 states have call predecessors, (5724), 28 states have return successors, (6337), 5722 states have call predecessors, (6337), 5723 states have call successors, (6337) [2024-10-14 03:00:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33152 states to 33152 states and 57170 transitions. [2024-10-14 03:00:57,785 INFO L78 Accepts]: Start accepts. Automaton has 33152 states and 57170 transitions. Word has length 142 [2024-10-14 03:00:57,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:00:57,785 INFO L471 AbstractCegarLoop]: Abstraction has 33152 states and 57170 transitions. [2024-10-14 03:00:57,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:00:57,785 INFO L276 IsEmpty]: Start isEmpty. Operand 33152 states and 57170 transitions. [2024-10-14 03:00:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 03:00:58,039 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:00:58,039 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:00:58,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 03:00:58,039 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:00:58,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:00:58,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1247278915, now seen corresponding path program 1 times [2024-10-14 03:00:58,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:00:58,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234753691] [2024-10-14 03:00:58,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:00:58,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:00:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:00:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:00:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:00:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:00:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:00:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:00:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:00:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:00:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:00:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:00:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:00:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:00:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 03:00:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 03:00:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 03:00:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 03:00:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:00:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:00:58,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:00:58,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234753691] [2024-10-14 03:00:58,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234753691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:00:58,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:00:58,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:00:58,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584011665] [2024-10-14 03:00:58,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:00:58,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:00:58,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:00:58,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:00:58,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:00:58,146 INFO L87 Difference]: Start difference. First operand 33152 states and 57170 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:01:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:01:00,690 INFO L93 Difference]: Finished difference Result 90464 states and 158254 transitions. [2024-10-14 03:01:00,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:01:00,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 143 [2024-10-14 03:01:00,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:01:00,922 INFO L225 Difference]: With dead ends: 90464 [2024-10-14 03:01:00,922 INFO L226 Difference]: Without dead ends: 60858 [2024-10-14 03:01:01,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:01:01,132 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1248 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 1766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:01:01,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 884 Invalid, 1766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:01:01,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60858 states. [2024-10-14 03:01:02,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60858 to 60764. [2024-10-14 03:01:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60764 states, 50498 states have (on average 1.6424214820388927) internal successors, (82939), 50506 states have internal predecessors, (82939), 10237 states have call successors, (10237), 24 states have call predecessors, (10237), 28 states have return successors, (11382), 10235 states have call predecessors, (11382), 10236 states have call successors, (11382) [2024-10-14 03:01:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60764 states to 60764 states and 104558 transitions. [2024-10-14 03:01:03,268 INFO L78 Accepts]: Start accepts. Automaton has 60764 states and 104558 transitions. Word has length 143 [2024-10-14 03:01:03,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:01:03,268 INFO L471 AbstractCegarLoop]: Abstraction has 60764 states and 104558 transitions. [2024-10-14 03:01:03,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:01:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 60764 states and 104558 transitions. [2024-10-14 03:01:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-14 03:01:03,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:01:03,323 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:01:03,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 03:01:03,324 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:01:03,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:01:03,324 INFO L85 PathProgramCache]: Analyzing trace with hash -705369185, now seen corresponding path program 1 times [2024-10-14 03:01:03,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:01:03,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437646093] [2024-10-14 03:01:03,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:01:03,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:01:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:01:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:01:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:01:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:01:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:01:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:01:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:01:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:01:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:01:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:01:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:01:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 03:01:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 03:01:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 03:01:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 03:01:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 03:01:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:01:03,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:01:03,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437646093] [2024-10-14 03:01:03,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437646093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:01:03,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:01:03,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:01:03,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958267429] [2024-10-14 03:01:03,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:01:03,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:01:03,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:01:03,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:01:03,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:01:03,410 INFO L87 Difference]: Start difference. First operand 60764 states and 104558 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:01:06,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:01:06,657 INFO L93 Difference]: Finished difference Result 113816 states and 199607 transitions. [2024-10-14 03:01:06,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:01:06,657 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 144 [2024-10-14 03:01:06,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:01:07,216 INFO L225 Difference]: With dead ends: 113816 [2024-10-14 03:01:07,217 INFO L226 Difference]: Without dead ends: 113652 [2024-10-14 03:01:07,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:01:07,258 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1246 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:01:07,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 887 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:01:07,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113652 states. [2024-10-14 03:01:10,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113652 to 113558. [2024-10-14 03:01:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113558 states, 94924 states have (on average 1.6373941258269773) internal successors, (155428), 94932 states have internal predecessors, (155428), 18605 states have call successors, (18605), 24 states have call predecessors, (18605), 28 states have return successors, (20796), 18603 states have call predecessors, (20796), 18604 states have call successors, (20796) [2024-10-14 03:01:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113558 states to 113558 states and 194829 transitions. [2024-10-14 03:01:11,660 INFO L78 Accepts]: Start accepts. Automaton has 113558 states and 194829 transitions. Word has length 144 [2024-10-14 03:01:11,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:01:11,661 INFO L471 AbstractCegarLoop]: Abstraction has 113558 states and 194829 transitions. [2024-10-14 03:01:11,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-14 03:01:11,661 INFO L276 IsEmpty]: Start isEmpty. Operand 113558 states and 194829 transitions. [2024-10-14 03:01:11,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-14 03:01:11,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:01:11,752 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:01:11,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 03:01:11,753 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:01:11,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:01:11,753 INFO L85 PathProgramCache]: Analyzing trace with hash 802422908, now seen corresponding path program 1 times [2024-10-14 03:01:11,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:01:11,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109678372] [2024-10-14 03:01:11,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:01:11,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:01:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:11,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:01:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:11,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:01:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:11,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:01:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:11,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:01:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:11,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:01:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:11,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:01:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:11,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:01:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:11,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:01:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:01:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:01:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:01:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:01:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 03:01:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 03:01:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 03:01:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 03:01:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-14 03:01:12,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:01:12,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109678372] [2024-10-14 03:01:12,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109678372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:01:12,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753619431] [2024-10-14 03:01:12,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:01:12,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:01:12,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:01:12,039 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:01:12,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 03:01:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:12,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-14 03:01:12,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:01:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-14 03:01:12,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:01:12,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753619431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:01:12,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:01:12,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2024-10-14 03:01:12,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233714373] [2024-10-14 03:01:12,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:01:12,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:01:12,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:01:12,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:01:12,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-10-14 03:01:12,629 INFO L87 Difference]: Start difference. First operand 113558 states and 194829 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-14 03:01:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:01:18,011 INFO L93 Difference]: Finished difference Result 226225 states and 393617 transitions. [2024-10-14 03:01:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 03:01:18,012 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 145 [2024-10-14 03:01:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:01:19,218 INFO L225 Difference]: With dead ends: 226225 [2024-10-14 03:01:19,218 INFO L226 Difference]: Without dead ends: 226066 [2024-10-14 03:01:19,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-10-14 03:01:19,292 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 852 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:01:19,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 4947 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:01:19,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226066 states. [2024-10-14 03:01:26,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226066 to 226038. [2024-10-14 03:01:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226038 states, 189008 states have (on average 1.6380893930415643) internal successors, (309612), 188913 states have internal predecessors, (309612), 36960 states have call successors, (36960), 63 states have call predecessors, (36960), 69 states have return successors, (44621), 37067 states have call predecessors, (44621), 36957 states have call successors, (44621) [2024-10-14 03:01:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226038 states to 226038 states and 391193 transitions. [2024-10-14 03:01:27,678 INFO L78 Accepts]: Start accepts. Automaton has 226038 states and 391193 transitions. Word has length 145 [2024-10-14 03:01:27,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:01:27,679 INFO L471 AbstractCegarLoop]: Abstraction has 226038 states and 391193 transitions. [2024-10-14 03:01:27,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-14 03:01:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 226038 states and 391193 transitions. [2024-10-14 03:01:27,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-14 03:01:27,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:01:27,801 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:01:27,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 03:01:28,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:01:28,002 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:01:28,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:01:28,003 INFO L85 PathProgramCache]: Analyzing trace with hash -908071589, now seen corresponding path program 1 times [2024-10-14 03:01:28,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:01:28,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670414595] [2024-10-14 03:01:28,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:01:28,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:01:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:01:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:01:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:01:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:01:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:01:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:01:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:01:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:01:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:01:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:01:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 03:01:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 03:01:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 03:01:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 03:01:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-14 03:01:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 03:01:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:01:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 03:01:28,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:01:28,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670414595] [2024-10-14 03:01:28,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670414595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:01:28,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:01:28,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 03:01:28,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681162673] [2024-10-14 03:01:28,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:01:28,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 03:01:28,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:01:28,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 03:01:28,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-10-14 03:01:28,203 INFO L87 Difference]: Start difference. First operand 226038 states and 391193 transitions. Second operand has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 7 states have internal predecessors, (95), 5 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16)