./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 a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_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-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 19:32:17,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 19:32:17,972 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 19:32:17,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 19:32:17,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 19:32:18,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 19:32:18,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 19:32:18,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 19:32:18,014 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 19:32:18,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 19:32:18,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 19:32:18,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 19:32:18,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 19:32:18,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 19:32:18,020 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 19:32:18,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 19:32:18,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 19:32:18,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 19:32:18,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 19:32:18,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 19:32:18,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 19:32:18,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 19:32:18,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 19:32:18,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 19:32:18,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 19:32:18,024 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 19:32:18,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 19:32:18,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 19:32:18,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 19:32:18,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 19:32:18,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 19:32:18,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 19:32:18,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:32:18,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 19:32:18,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 19:32:18,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 19:32:18,028 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 19:32:18,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 19:32:18,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 19:32:18,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 19:32:18,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 19:32:18,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 19:32:18,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4216ddf014ff953368f9c10444517e5ad475a960f2c91abb81cda95e6b2b3bf [2024-10-12 19:32:18,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 19:32:18,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 19:32:18,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 19:32:18,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 19:32:18,346 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 19:32:18,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2024-10-12 19:32:19,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 19:32:20,122 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 19:32:20,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2024-10-12 19:32:20,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb68652e/f0a783f9185e44ba9a58bbd53340f0a9/FLAG29bc55f69 [2024-10-12 19:32:20,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb68652e/f0a783f9185e44ba9a58bbd53340f0a9 [2024-10-12 19:32:20,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 19:32:20,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 19:32:20,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 19:32:20,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 19:32:20,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 19:32:20,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:20,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb3bd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20, skipping insertion in model container [2024-10-12 19:32:20,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:20,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 19:32:20,740 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] [2024-10-12 19:32:20,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:32:20,823 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 19:32:20,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-10-12 19:32:20,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [97] [2024-10-12 19:32:20,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [326] [2024-10-12 19:32:20,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1406] [2024-10-12 19:32:20,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1772] [2024-10-12 19:32:20,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2184] [2024-10-12 19:32:20,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2234] [2024-10-12 19:32:20,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2528] [2024-10-12 19:32:20,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2537] [2024-10-12 19:32:20,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2846] [2024-10-12 19:32:20,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2863] [2024-10-12 19:32:20,920 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] [2024-10-12 19:32:20,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:32:20,975 INFO L204 MainTranslator]: Completed translation [2024-10-12 19:32:20,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20 WrapperNode [2024-10-12 19:32:20,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 19:32:20,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 19:32:20,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 19:32:20,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 19:32:20,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,065 INFO L138 Inliner]: procedures = 129, calls = 202, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 940 [2024-10-12 19:32:21,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 19:32:21,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 19:32:21,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 19:32:21,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 19:32:21,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,094 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,127 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-12 19:32:21,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 19:32:21,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 19:32:21,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 19:32:21,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 19:32:21,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (1/1) ... [2024-10-12 19:32:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:32:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:32:21,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 19:32:21,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 19:32:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-12 19:32:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-12 19:32:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-12 19:32:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-12 19:32:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-12 19:32:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-12 19:32:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-12 19:32:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-12 19:32:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-12 19:32:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-12 19:32:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-12 19:32:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-12 19:32:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-12 19:32:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-12 19:32:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-12 19:32:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-12 19:32:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-12 19:32:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-12 19:32:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-12 19:32:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-12 19:32:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-12 19:32:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-12 19:32:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-12 19:32:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-12 19:32:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-12 19:32:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-12 19:32:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 19:32:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-12 19:32:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-12 19:32:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-12 19:32:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-12 19:32:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-12 19:32:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-12 19:32:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-12 19:32:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-12 19:32:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-12 19:32:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-12 19:32:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-12 19:32:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-12 19:32:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-12 19:32:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-12 19:32:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-12 19:32:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-12 19:32:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-12 19:32:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-12 19:32:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 19:32:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 19:32:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 19:32:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 19:32:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-12 19:32:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-12 19:32:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-12 19:32:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-12 19:32:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 19:32:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 19:32:21,528 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 19:32:21,531 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 19:32:22,583 INFO L? ?]: Removed 478 outVars from TransFormulas that were not future-live. [2024-10-12 19:32:22,586 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 19:32:22,666 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 19:32:22,668 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 19:32:22,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:32:22 BoogieIcfgContainer [2024-10-12 19:32:22,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 19:32:22,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 19:32:22,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 19:32:22,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 19:32:22,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:32:20" (1/3) ... [2024-10-12 19:32:22,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9f5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:32:22, skipping insertion in model container [2024-10-12 19:32:22,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:32:20" (2/3) ... [2024-10-12 19:32:22,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9f5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:32:22, skipping insertion in model container [2024-10-12 19:32:22,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:32:22" (3/3) ... [2024-10-12 19:32:22,678 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product20.cil.c [2024-10-12 19:32:22,694 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 19:32:22,694 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 19:32:22,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 19:32:22,780 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;@354e74a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 19:32:22,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 19:32:22,786 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) [2024-10-12 19:32:22,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-12 19:32:22,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:22,817 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] [2024-10-12 19:32:22,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:22,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:22,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1340731310, now seen corresponding path program 1 times [2024-10-12 19:32:22,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:22,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830388848] [2024-10-12 19:32:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:22,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:32:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:32:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:32:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-12 19:32:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-12 19:32:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:32:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-12 19:32:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 19:32:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:32:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:32:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:32:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:32:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-12 19:32:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-12 19:32:23,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:23,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830388848] [2024-10-12 19:32:23,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830388848] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:32:23,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708475644] [2024-10-12 19:32:23,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:23,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:23,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:32:23,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:32:23,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 19:32:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 19:32:24,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:32:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:32:24,145 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:32:24,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708475644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:24,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:32:24,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-12 19:32:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109392568] [2024-10-12 19:32:24,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:24,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 19:32:24,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:24,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 19:32:24,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:32:24,181 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) [2024-10-12 19:32:24,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:24,295 INFO L93 Difference]: Finished difference Result 518 states and 797 transitions. [2024-10-12 19:32:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 19:32:24,297 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 [2024-10-12 19:32:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:24,312 INFO L225 Difference]: With dead ends: 518 [2024-10-12 19:32:24,312 INFO L226 Difference]: Without dead ends: 348 [2024-10-12 19:32:24,318 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 [2024-10-12 19:32:24,320 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 [2024-10-12 19:32:24,321 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] [2024-10-12 19:32:24,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-10-12 19:32:24,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2024-10-12 19:32:24,382 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) [2024-10-12 19:32:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 541 transitions. [2024-10-12 19:32:24,390 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 541 transitions. Word has length 116 [2024-10-12 19:32:24,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:24,392 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 541 transitions. [2024-10-12 19:32:24,392 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) [2024-10-12 19:32:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 541 transitions. [2024-10-12 19:32:24,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-12 19:32:24,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:24,404 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] [2024-10-12 19:32:24,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-12 19:32:24,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-12 19:32:24,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:24,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:24,613 INFO L85 PathProgramCache]: Analyzing trace with hash -769185497, now seen corresponding path program 1 times [2024-10-12 19:32:24,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:24,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695578233] [2024-10-12 19:32:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:24,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:32:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:32:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:32:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-12 19:32:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-12 19:32:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:32:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-12 19:32:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:32:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:32:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:32:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:32:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:24,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:32:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:25,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:32:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-12 19:32:25,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:25,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695578233] [2024-10-12 19:32:25,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695578233] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:32:25,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740756862] [2024-10-12 19:32:25,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:25,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:25,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:32:25,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:32:25,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 19:32:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:25,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 19:32:25,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:32:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:32:25,398 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:32:25,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740756862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:25,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:32:25,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-12 19:32:25,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308671300] [2024-10-12 19:32:25,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:25,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:32:25,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:25,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:32:25,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:32:25,401 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) [2024-10-12 19:32:25,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:25,486 INFO L93 Difference]: Finished difference Result 514 states and 781 transitions. [2024-10-12 19:32:25,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:32:25,489 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 [2024-10-12 19:32:25,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:25,495 INFO L225 Difference]: With dead ends: 514 [2024-10-12 19:32:25,496 INFO L226 Difference]: Without dead ends: 350 [2024-10-12 19:32:25,498 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 [2024-10-12 19:32:25,502 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 [2024-10-12 19:32:25,502 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] [2024-10-12 19:32:25,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-12 19:32:25,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2024-10-12 19:32:25,536 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) [2024-10-12 19:32:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 543 transitions. [2024-10-12 19:32:25,539 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 543 transitions. Word has length 117 [2024-10-12 19:32:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:25,540 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 543 transitions. [2024-10-12 19:32:25,540 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) [2024-10-12 19:32:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 543 transitions. [2024-10-12 19:32:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-12 19:32:25,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:25,543 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] [2024-10-12 19:32:25,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-12 19:32:25,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-12 19:32:25,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:25,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:25,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1292295343, now seen corresponding path program 1 times [2024-10-12 19:32:25,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:25,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382744066] [2024-10-12 19:32:25,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:25,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:25,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:32:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:32:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:32:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-12 19:32:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:32:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 19:32:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:32:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:32:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:32:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:32:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:32:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:32:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 19:32:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-12 19:32:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-12 19:32:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-12 19:32:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-12 19:32:26,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:26,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382744066] [2024-10-12 19:32:26,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382744066] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:32:26,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498759256] [2024-10-12 19:32:26,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:26,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:26,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:32:26,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:32:26,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 19:32:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 19:32:26,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:32:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-12 19:32:26,472 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:32:26,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498759256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:26,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:32:26,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-12 19:32:26,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971338693] [2024-10-12 19:32:26,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:26,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:32:26,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:26,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:32:26,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:32:26,475 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) [2024-10-12 19:32:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:26,530 INFO L93 Difference]: Finished difference Result 748 states and 1178 transitions. [2024-10-12 19:32:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:32:26,531 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 [2024-10-12 19:32:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:26,535 INFO L225 Difference]: With dead ends: 748 [2024-10-12 19:32:26,535 INFO L226 Difference]: Without dead ends: 420 [2024-10-12 19:32:26,536 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 [2024-10-12 19:32:26,537 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 [2024-10-12 19:32:26,538 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] [2024-10-12 19:32:26,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-10-12 19:32:26,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 415. [2024-10-12 19:32:26,571 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) [2024-10-12 19:32:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 658 transitions. [2024-10-12 19:32:26,577 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 658 transitions. Word has length 142 [2024-10-12 19:32:26,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:26,578 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 658 transitions. [2024-10-12 19:32:26,578 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) [2024-10-12 19:32:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 658 transitions. [2024-10-12 19:32:26,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-12 19:32:26,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:26,583 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] [2024-10-12 19:32:26,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-12 19:32:26,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:26,789 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:26,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:26,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2142515506, now seen corresponding path program 1 times [2024-10-12 19:32:26,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:26,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240118967] [2024-10-12 19:32:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:26,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:26,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:32:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:32:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:32:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 19:32:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:32:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-12 19:32:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:32:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 19:32:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:32:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:32:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:32:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-12 19:32:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-12 19:32:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 19:32:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 19:32:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-12 19:32:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-12 19:32:27,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:27,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240118967] [2024-10-12 19:32:27,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240118967] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:32:27,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532254855] [2024-10-12 19:32:27,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:27,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:27,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:32:27,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:32:27,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-12 19:32:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:27,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 19:32:27,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:32:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-12 19:32:27,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:32:27,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532254855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:27,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:32:27,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-12 19:32:27,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813454148] [2024-10-12 19:32:27,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:27,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:32:27,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:27,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:32:27,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:32:27,521 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) [2024-10-12 19:32:27,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:27,639 INFO L93 Difference]: Finished difference Result 825 states and 1310 transitions. [2024-10-12 19:32:27,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 19:32:27,639 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 [2024-10-12 19:32:27,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:27,642 INFO L225 Difference]: With dead ends: 825 [2024-10-12 19:32:27,643 INFO L226 Difference]: Without dead ends: 417 [2024-10-12 19:32:27,644 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 [2024-10-12 19:32:27,645 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 [2024-10-12 19:32:27,645 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] [2024-10-12 19:32:27,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-10-12 19:32:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-10-12 19:32:27,694 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) [2024-10-12 19:32:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 661 transitions. [2024-10-12 19:32:27,699 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 661 transitions. Word has length 143 [2024-10-12 19:32:27,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:27,700 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 661 transitions. [2024-10-12 19:32:27,700 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) [2024-10-12 19:32:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 661 transitions. [2024-10-12 19:32:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-12 19:32:27,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:27,705 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] [2024-10-12 19:32:27,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-12 19:32:27,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:27,906 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:27,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:27,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1534895324, now seen corresponding path program 1 times [2024-10-12 19:32:27,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:27,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905000637] [2024-10-12 19:32:27,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:27,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 19:32:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-12 19:32:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-12 19:32:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 19:32:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-12 19:32:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:32:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:32:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:32:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:32:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:32:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-12 19:32:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-12 19:32:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-12 19:32:28,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:28,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905000637] [2024-10-12 19:32:28,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905000637] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:32:28,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763332762] [2024-10-12 19:32:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:28,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:28,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:32:28,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:32:28,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-12 19:32:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:28,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 19:32:28,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:32:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-12 19:32:28,606 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:32:28,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763332762] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:28,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:32:28,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-12 19:32:28,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790558121] [2024-10-12 19:32:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:28,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:32:28,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:28,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:32:28,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:32:28,610 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) [2024-10-12 19:32:28,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:28,717 INFO L93 Difference]: Finished difference Result 827 states and 1315 transitions. [2024-10-12 19:32:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 19:32:28,718 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 [2024-10-12 19:32:28,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:28,721 INFO L225 Difference]: With dead ends: 827 [2024-10-12 19:32:28,722 INFO L226 Difference]: Without dead ends: 419 [2024-10-12 19:32:28,724 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 [2024-10-12 19:32:28,726 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 2 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-10-12 19:32:28,726 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] [2024-10-12 19:32:28,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-12 19:32:28,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-12 19:32:28,749 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) [2024-10-12 19:32:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 667 transitions. [2024-10-12 19:32:28,753 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 667 transitions. Word has length 126 [2024-10-12 19:32:28,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:28,753 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 667 transitions. [2024-10-12 19:32:28,753 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) [2024-10-12 19:32:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 667 transitions. [2024-10-12 19:32:28,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-12 19:32:28,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:28,756 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] [2024-10-12 19:32:28,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-12 19:32:28,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:28,957 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:28,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:28,957 INFO L85 PathProgramCache]: Analyzing trace with hash 214802599, now seen corresponding path program 1 times [2024-10-12 19:32:28,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:28,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060982128] [2024-10-12 19:32:28,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:28,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-12 19:32:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-12 19:32:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-12 19:32:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:32:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:32:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:32:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-12 19:32:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:32:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:32:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-12 19:32:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-12 19:32:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 19:32:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 19:32:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 19:32:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-12 19:32:29,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:29,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060982128] [2024-10-12 19:32:29,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060982128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:29,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:29,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 19:32:29,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568743184] [2024-10-12 19:32:29,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:29,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 19:32:29,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:29,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 19:32:29,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:32:29,208 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) [2024-10-12 19:32:31,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:31,309 INFO L93 Difference]: Finished difference Result 908 states and 1476 transitions. [2024-10-12 19:32:31,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 19:32:31,310 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 [2024-10-12 19:32:31,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:31,315 INFO L225 Difference]: With dead ends: 908 [2024-10-12 19:32:31,315 INFO L226 Difference]: Without dead ends: 508 [2024-10-12 19:32:31,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:32:31,317 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1146 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2256 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 2672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 2256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:31,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 1197 Invalid, 2672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 2256 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-12 19:32:31,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-10-12 19:32:31,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 419. [2024-10-12 19:32:31,394 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) [2024-10-12 19:32:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 666 transitions. [2024-10-12 19:32:31,397 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 666 transitions. Word has length 145 [2024-10-12 19:32:31,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:31,397 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 666 transitions. [2024-10-12 19:32:31,397 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) [2024-10-12 19:32:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 666 transitions. [2024-10-12 19:32:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-12 19:32:31,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:31,401 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] [2024-10-12 19:32:31,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 19:32:31,401 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:31,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:31,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1845631031, now seen corresponding path program 1 times [2024-10-12 19:32:31,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:31,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548012001] [2024-10-12 19:32:31,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:31,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-12 19:32:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-12 19:32:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-12 19:32:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:32:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:32:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:32:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:32:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:32:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-12 19:32:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-12 19:32:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-12 19:32:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-12 19:32:31,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:31,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548012001] [2024-10-12 19:32:31,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548012001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:31,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:31,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 19:32:31,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039332420] [2024-10-12 19:32:31,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:31,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 19:32:31,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:31,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 19:32:31,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:32:31,628 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) [2024-10-12 19:32:33,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:33,603 INFO L93 Difference]: Finished difference Result 910 states and 1479 transitions. [2024-10-12 19:32:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 19:32:33,604 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 [2024-10-12 19:32:33,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:33,610 INFO L225 Difference]: With dead ends: 910 [2024-10-12 19:32:33,610 INFO L226 Difference]: Without dead ends: 510 [2024-10-12 19:32:33,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:32:33,613 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1140 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 2702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 2304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:33,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 1199 Invalid, 2702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 2304 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-12 19:32:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-10-12 19:32:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 421. [2024-10-12 19:32:33,654 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) [2024-10-12 19:32:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 669 transitions. [2024-10-12 19:32:33,656 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 669 transitions. Word has length 128 [2024-10-12 19:32:33,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:33,657 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 669 transitions. [2024-10-12 19:32:33,657 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) [2024-10-12 19:32:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 669 transitions. [2024-10-12 19:32:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-12 19:32:33,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:33,660 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] [2024-10-12 19:32:33,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 19:32:33,661 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:33,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:33,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2056504571, now seen corresponding path program 1 times [2024-10-12 19:32:33,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:33,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137305687] [2024-10-12 19:32:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:33,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:32:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-12 19:32:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:32:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 19:32:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:32:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:32:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:32:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:32:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 19:32:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-12 19:32:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-12 19:32:33,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:33,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137305687] [2024-10-12 19:32:33,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137305687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:33,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:33,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 19:32:33,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209754269] [2024-10-12 19:32:33,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:33,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:32:33,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:33,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:32:33,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:32:33,925 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) [2024-10-12 19:32:36,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:36,648 INFO L93 Difference]: Finished difference Result 908 states and 1474 transitions. [2024-10-12 19:32:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:32:36,649 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 [2024-10-12 19:32:36,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:36,654 INFO L225 Difference]: With dead ends: 908 [2024-10-12 19:32:36,654 INFO L226 Difference]: Without dead ends: 510 [2024-10-12 19:32:36,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-12 19:32:36,658 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1141 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3880 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:36,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 1664 Invalid, 4281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 3880 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-12 19:32:36,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-10-12 19:32:36,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 421. [2024-10-12 19:32:36,687 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) [2024-10-12 19:32:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 668 transitions. [2024-10-12 19:32:36,690 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 668 transitions. Word has length 129 [2024-10-12 19:32:36,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:36,690 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 668 transitions. [2024-10-12 19:32:36,691 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) [2024-10-12 19:32:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 668 transitions. [2024-10-12 19:32:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-12 19:32:36,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:36,694 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] [2024-10-12 19:32:36,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 19:32:36,694 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:36,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash -792057900, now seen corresponding path program 1 times [2024-10-12 19:32:36,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:36,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519706761] [2024-10-12 19:32:36,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:36,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:32:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 19:32:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:32:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:32:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:32:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:32:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:32:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:32:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 19:32:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-12 19:32:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-12 19:32:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-12 19:32:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-12 19:32:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-12 19:32:36,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:36,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519706761] [2024-10-12 19:32:36,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519706761] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:36,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:36,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 19:32:36,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211506358] [2024-10-12 19:32:36,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:36,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:32:36,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:36,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:32:36,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:32:36,975 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) [2024-10-12 19:32:39,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:39,604 INFO L93 Difference]: Finished difference Result 910 states and 1480 transitions. [2024-10-12 19:32:39,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:32:39,605 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 [2024-10-12 19:32:39,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:39,609 INFO L225 Difference]: With dead ends: 910 [2024-10-12 19:32:39,609 INFO L226 Difference]: Without dead ends: 512 [2024-10-12 19:32:39,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-12 19:32:39,612 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1139 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 4268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:39,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 1665 Invalid, 4268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-12 19:32:39,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-10-12 19:32:39,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 423. [2024-10-12 19:32:39,641 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) [2024-10-12 19:32:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 674 transitions. [2024-10-12 19:32:39,644 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 674 transitions. Word has length 148 [2024-10-12 19:32:39,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:39,644 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 674 transitions. [2024-10-12 19:32:39,644 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) [2024-10-12 19:32:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 674 transitions. [2024-10-12 19:32:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-12 19:32:39,647 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:39,647 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] [2024-10-12 19:32:39,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 19:32:39,647 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:39,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:39,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1121591057, now seen corresponding path program 1 times [2024-10-12 19:32:39,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:39,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521918366] [2024-10-12 19:32:39,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:39,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 19:32:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-12 19:32:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:32:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 19:32:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:32:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:32:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:32:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-12 19:32:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-12 19:32:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-12 19:32:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 19:32:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-12 19:32:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-12 19:32:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-12 19:32:39,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:39,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521918366] [2024-10-12 19:32:39,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521918366] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:32:39,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954178379] [2024-10-12 19:32:39,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:39,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:39,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:32:39,888 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 19:32:39,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-12 19:32:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:40,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 19:32:40,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:32:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-12 19:32:40,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 19:32:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-12 19:32:40,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954178379] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 19:32:40,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 19:32:40,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-12 19:32:40,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188039374] [2024-10-12 19:32:40,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 19:32:40,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-12 19:32:40,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:40,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-12 19:32:40,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:32:40,395 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) [2024-10-12 19:32:43,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:43,375 INFO L93 Difference]: Finished difference Result 1329 states and 2256 transitions. [2024-10-12 19:32:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-12 19:32:43,376 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 [2024-10-12 19:32:43,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:43,382 INFO L225 Difference]: With dead ends: 1329 [2024-10-12 19:32:43,382 INFO L226 Difference]: Without dead ends: 932 [2024-10-12 19:32:43,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-12 19:32:43,385 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 2329 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 5634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:43,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 2008 Invalid, 5634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [790 Valid, 4844 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-12 19:32:43,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-10-12 19:32:43,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 828. [2024-10-12 19:32:43,434 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) [2024-10-12 19:32:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1395 transitions. [2024-10-12 19:32:43,438 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1395 transitions. Word has length 149 [2024-10-12 19:32:43,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:43,439 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1395 transitions. [2024-10-12 19:32:43,439 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) [2024-10-12 19:32:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1395 transitions. [2024-10-12 19:32:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-12 19:32:43,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:43,444 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] [2024-10-12 19:32:43,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-12 19:32:43,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:32:43,645 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:43,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash -420012056, now seen corresponding path program 1 times [2024-10-12 19:32:43,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:43,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742649386] [2024-10-12 19:32:43,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:43,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 19:32:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:32:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:32:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 19:32:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:32:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-12 19:32:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:32:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-12 19:32:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-12 19:32:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-12 19:32:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-12 19:32:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-12 19:32:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-12 19:32:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-12 19:32:43,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:43,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742649386] [2024-10-12 19:32:43,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742649386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:43,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:43,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:32:43,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181597774] [2024-10-12 19:32:43,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:43,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:32:43,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:43,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:32:43,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:32:43,769 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) [2024-10-12 19:32:45,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:45,073 INFO L93 Difference]: Finished difference Result 2064 states and 3575 transitions. [2024-10-12 19:32:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:32:45,074 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 [2024-10-12 19:32:45,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:45,082 INFO L225 Difference]: With dead ends: 2064 [2024-10-12 19:32:45,082 INFO L226 Difference]: Without dead ends: 1304 [2024-10-12 19:32:45,086 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 [2024-10-12 19:32:45,087 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1269 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:45,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 915 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:32:45,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2024-10-12 19:32:45,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1210. [2024-10-12 19:32:45,182 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) [2024-10-12 19:32:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 2075 transitions. [2024-10-12 19:32:45,190 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 2075 transitions. Word has length 153 [2024-10-12 19:32:45,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:45,191 INFO L471 AbstractCegarLoop]: Abstraction has 1210 states and 2075 transitions. [2024-10-12 19:32:45,191 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) [2024-10-12 19:32:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 2075 transitions. [2024-10-12 19:32:45,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-12 19:32:45,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:45,200 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] [2024-10-12 19:32:45,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 19:32:45,201 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:45,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:45,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1762699114, now seen corresponding path program 1 times [2024-10-12 19:32:45,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:45,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884262552] [2024-10-12 19:32:45,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:45,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-12 19:32:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:32:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 19:32:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:32:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-12 19:32:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:32:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:32:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 19:32:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-12 19:32:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-12 19:32:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-12 19:32:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-12 19:32:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-12 19:32:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:45,350 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-12 19:32:45,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:45,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884262552] [2024-10-12 19:32:45,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884262552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:45,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:45,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:32:45,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343718748] [2024-10-12 19:32:45,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:45,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:32:45,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:45,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:32:45,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:32:45,354 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) [2024-10-12 19:32:46,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:46,672 INFO L93 Difference]: Finished difference Result 3015 states and 5261 transitions. [2024-10-12 19:32:46,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:32:46,672 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 [2024-10-12 19:32:46,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:46,685 INFO L225 Difference]: With dead ends: 3015 [2024-10-12 19:32:46,686 INFO L226 Difference]: Without dead ends: 1923 [2024-10-12 19:32:46,691 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 [2024-10-12 19:32:46,691 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1265 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:46,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 882 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:32:46,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2024-10-12 19:32:46,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1829. [2024-10-12 19:32:46,788 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) [2024-10-12 19:32:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 3153 transitions. [2024-10-12 19:32:46,799 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 3153 transitions. Word has length 154 [2024-10-12 19:32:46,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:46,803 INFO L471 AbstractCegarLoop]: Abstraction has 1829 states and 3153 transitions. [2024-10-12 19:32:46,803 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) [2024-10-12 19:32:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 3153 transitions. [2024-10-12 19:32:46,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-12 19:32:46,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:46,815 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] [2024-10-12 19:32:46,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 19:32:46,816 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:46,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:46,816 INFO L85 PathProgramCache]: Analyzing trace with hash -780696603, now seen corresponding path program 1 times [2024-10-12 19:32:46,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:46,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156193115] [2024-10-12 19:32:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:46,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 19:32:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:32:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:32:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:32:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-12 19:32:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:32:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-12 19:32:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 19:32:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 19:32:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 19:32:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-12 19:32:46,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156193115] [2024-10-12 19:32:46,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156193115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:46,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:46,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:32:46,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93421410] [2024-10-12 19:32:46,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:46,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:32:46,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:46,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:32:46,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:32:46,962 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) [2024-10-12 19:32:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:48,194 INFO L93 Difference]: Finished difference Result 4455 states and 7832 transitions. [2024-10-12 19:32:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:32:48,195 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 [2024-10-12 19:32:48,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:48,212 INFO L225 Difference]: With dead ends: 4455 [2024-10-12 19:32:48,212 INFO L226 Difference]: Without dead ends: 2872 [2024-10-12 19:32:48,218 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 [2024-10-12 19:32:48,219 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1265 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 467 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:48,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 872 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [467 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 19:32:48,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2872 states. [2024-10-12 19:32:48,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2872 to 2778. [2024-10-12 19:32:48,337 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) [2024-10-12 19:32:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 4818 transitions. [2024-10-12 19:32:48,351 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 4818 transitions. Word has length 137 [2024-10-12 19:32:48,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:48,351 INFO L471 AbstractCegarLoop]: Abstraction has 2778 states and 4818 transitions. [2024-10-12 19:32:48,352 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) [2024-10-12 19:32:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 4818 transitions. [2024-10-12 19:32:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-12 19:32:48,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:48,367 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] [2024-10-12 19:32:48,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 19:32:48,367 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:48,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:48,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1763050933, now seen corresponding path program 1 times [2024-10-12 19:32:48,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:48,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133295630] [2024-10-12 19:32:48,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-12 19:32:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:32:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 19:32:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:32:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:32:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:32:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:32:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 19:32:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 19:32:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 19:32:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-12 19:32:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-12 19:32:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-12 19:32:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-12 19:32:48,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:48,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133295630] [2024-10-12 19:32:48,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133295630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:48,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:48,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:32:48,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297328317] [2024-10-12 19:32:48,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:48,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:32:48,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:48,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:32:48,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:32:48,497 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) [2024-10-12 19:32:49,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:49,760 INFO L93 Difference]: Finished difference Result 6727 states and 11900 transitions. [2024-10-12 19:32:49,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:32:49,762 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 [2024-10-12 19:32:49,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:49,788 INFO L225 Difference]: With dead ends: 6727 [2024-10-12 19:32:49,788 INFO L226 Difference]: Without dead ends: 4404 [2024-10-12 19:32:49,797 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 [2024-10-12 19:32:49,798 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1259 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 462 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:49,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 875 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [462 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 19:32:49,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2024-10-12 19:32:49,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4310. [2024-10-12 19:32:49,999 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) [2024-10-12 19:32:50,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 4310 states and 7502 transitions. [2024-10-12 19:32:50,021 INFO L78 Accepts]: Start accepts. Automaton has 4310 states and 7502 transitions. Word has length 156 [2024-10-12 19:32:50,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:50,021 INFO L471 AbstractCegarLoop]: Abstraction has 4310 states and 7502 transitions. [2024-10-12 19:32:50,022 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) [2024-10-12 19:32:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4310 states and 7502 transitions. [2024-10-12 19:32:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-12 19:32:50,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:50,042 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] [2024-10-12 19:32:50,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 19:32:50,042 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:50,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:50,043 INFO L85 PathProgramCache]: Analyzing trace with hash 264470177, now seen corresponding path program 1 times [2024-10-12 19:32:50,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:50,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336780881] [2024-10-12 19:32:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-12 19:32:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:32:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:32:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:32:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:32:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:32:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-12 19:32:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 19:32:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 19:32:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 19:32:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-12 19:32:50,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:50,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336780881] [2024-10-12 19:32:50,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336780881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:50,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:50,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:32:50,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91946141] [2024-10-12 19:32:50,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:50,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:32:50,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:50,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:32:50,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:32:50,182 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) [2024-10-12 19:32:51,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:51,846 INFO L93 Difference]: Finished difference Result 10780 states and 19111 transitions. [2024-10-12 19:32:51,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:32:51,847 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 [2024-10-12 19:32:51,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:51,899 INFO L225 Difference]: With dead ends: 10780 [2024-10-12 19:32:51,900 INFO L226 Difference]: Without dead ends: 7164 [2024-10-12 19:32:51,917 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 [2024-10-12 19:32:51,918 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1254 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:51,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 923 Invalid, 1810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [449 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:32:51,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2024-10-12 19:32:52,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7070. [2024-10-12 19:32:52,300 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) [2024-10-12 19:32:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7070 states to 7070 states and 12308 transitions. [2024-10-12 19:32:52,329 INFO L78 Accepts]: Start accepts. Automaton has 7070 states and 12308 transitions. Word has length 139 [2024-10-12 19:32:52,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:52,330 INFO L471 AbstractCegarLoop]: Abstraction has 7070 states and 12308 transitions. [2024-10-12 19:32:52,331 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) [2024-10-12 19:32:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7070 states and 12308 transitions. [2024-10-12 19:32:52,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-12 19:32:52,357 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:52,357 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] [2024-10-12 19:32:52,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 19:32:52,358 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:52,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:52,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1851234959, now seen corresponding path program 1 times [2024-10-12 19:32:52,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:52,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337271747] [2024-10-12 19:32:52,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:52,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:32:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:32:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:32:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-12 19:32:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:32:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:32:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:32:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 19:32:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 19:32:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 19:32:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-12 19:32:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-12 19:32:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-12 19:32:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-12 19:32:52,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:52,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337271747] [2024-10-12 19:32:52,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337271747] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:52,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:52,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:32:52,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194669976] [2024-10-12 19:32:52,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:52,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:32:52,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:52,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:32:52,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:32:52,474 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) [2024-10-12 19:32:53,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:53,922 INFO L93 Difference]: Finished difference Result 17983 states and 31858 transitions. [2024-10-12 19:32:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:32:53,923 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 [2024-10-12 19:32:53,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:53,981 INFO L225 Difference]: With dead ends: 17983 [2024-10-12 19:32:53,981 INFO L226 Difference]: Without dead ends: 11993 [2024-10-12 19:32:54,010 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 [2024-10-12 19:32:54,011 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1255 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:54,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 873 Invalid, 1748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:32:54,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11993 states. [2024-10-12 19:32:54,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11993 to 11899. [2024-10-12 19:32:54,524 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) [2024-10-12 19:32:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11899 states to 11899 states and 20731 transitions. [2024-10-12 19:32:54,572 INFO L78 Accepts]: Start accepts. Automaton has 11899 states and 20731 transitions. Word has length 158 [2024-10-12 19:32:54,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:54,572 INFO L471 AbstractCegarLoop]: Abstraction has 11899 states and 20731 transitions. [2024-10-12 19:32:54,573 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) [2024-10-12 19:32:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 11899 states and 20731 transitions. [2024-10-12 19:32:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-12 19:32:54,613 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:54,613 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] [2024-10-12 19:32:54,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 19:32:54,613 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:54,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:54,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1251515828, now seen corresponding path program 1 times [2024-10-12 19:32:54,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943545514] [2024-10-12 19:32:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:32:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 19:32:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 19:32:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:32:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:32:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:32:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 19:32:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-12 19:32:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-12 19:32:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-12 19:32:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-12 19:32:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-12 19:32:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-12 19:32:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-12 19:32:54,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:54,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943545514] [2024-10-12 19:32:54,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943545514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:54,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:54,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:32:54,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124914686] [2024-10-12 19:32:54,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:54,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:32:54,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:54,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:32:54,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:32:54,797 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) [2024-10-12 19:32:56,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:56,486 INFO L93 Difference]: Finished difference Result 28529 states and 50306 transitions. [2024-10-12 19:32:56,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:32:56,486 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 [2024-10-12 19:32:56,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:32:56,570 INFO L225 Difference]: With dead ends: 28529 [2024-10-12 19:32:56,570 INFO L226 Difference]: Without dead ends: 18665 [2024-10-12 19:32:56,605 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 [2024-10-12 19:32:56,606 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1250 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:32:56,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 854 Invalid, 1769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:32:56,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18665 states. [2024-10-12 19:32:57,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18665 to 18571. [2024-10-12 19:32:57,363 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) [2024-10-12 19:32:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18571 states to 18571 states and 32070 transitions. [2024-10-12 19:32:57,443 INFO L78 Accepts]: Start accepts. Automaton has 18571 states and 32070 transitions. Word has length 159 [2024-10-12 19:32:57,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:32:57,443 INFO L471 AbstractCegarLoop]: Abstraction has 18571 states and 32070 transitions. [2024-10-12 19:32:57,443 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) [2024-10-12 19:32:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 18571 states and 32070 transitions. [2024-10-12 19:32:57,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-12 19:32:57,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:32:57,483 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] [2024-10-12 19:32:57,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 19:32:57,484 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:32:57,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:32:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1991637633, now seen corresponding path program 1 times [2024-10-12 19:32:57,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:32:57,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618404491] [2024-10-12 19:32:57,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:32:57,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:32:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:32:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:32:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:32:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:32:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:32:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:32:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:32:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:32:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 19:32:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:32:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:32:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:32:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 19:32:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-12 19:32:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-12 19:32:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-12 19:32:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:32:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-12 19:32:57,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:32:57,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618404491] [2024-10-12 19:32:57,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618404491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:32:57,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:32:57,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:32:57,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203142111] [2024-10-12 19:32:57,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:32:57,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:32:57,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:32:57,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:32:57,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:32:57,608 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) [2024-10-12 19:32:59,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:32:59,844 INFO L93 Difference]: Finished difference Result 49162 states and 86425 transitions. [2024-10-12 19:32:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:32:59,845 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 [2024-10-12 19:32:59,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:33:00,005 INFO L225 Difference]: With dead ends: 49162 [2024-10-12 19:33:00,005 INFO L226 Difference]: Without dead ends: 33246 [2024-10-12 19:33:00,072 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 [2024-10-12 19:33:00,073 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1252 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:33:00,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 872 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:33:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33246 states. [2024-10-12 19:33:01,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33246 to 33152. [2024-10-12 19:33:01,636 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) [2024-10-12 19:33:01,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33152 states to 33152 states and 57170 transitions. [2024-10-12 19:33:01,788 INFO L78 Accepts]: Start accepts. Automaton has 33152 states and 57170 transitions. Word has length 142 [2024-10-12 19:33:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:33:01,788 INFO L471 AbstractCegarLoop]: Abstraction has 33152 states and 57170 transitions. [2024-10-12 19:33:01,789 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) [2024-10-12 19:33:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 33152 states and 57170 transitions. [2024-10-12 19:33:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-12 19:33:01,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:33:01,848 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] [2024-10-12 19:33:01,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-12 19:33:01,848 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:33:01,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:33:01,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1247278915, now seen corresponding path program 1 times [2024-10-12 19:33:01,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:33:01,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891661798] [2024-10-12 19:33:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:33:01,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:33:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:33:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:33:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:33:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:33:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:33:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:33:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:33:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:33:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:33:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:33:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:33:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-12 19:33:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-12 19:33:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 19:33:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 19:33:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-12 19:33:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-12 19:33:01,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:33:01,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891661798] [2024-10-12 19:33:01,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891661798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:33:01,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:33:01,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:33:01,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127650247] [2024-10-12 19:33:01,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:33:01,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:33:01,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:33:01,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:33:01,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:33:01,984 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) [2024-10-12 19:33:04,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:33:04,721 INFO L93 Difference]: Finished difference Result 90464 states and 158254 transitions. [2024-10-12 19:33:04,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:33:04,722 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 [2024-10-12 19:33:04,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:33:05,001 INFO L225 Difference]: With dead ends: 90464 [2024-10-12 19:33:05,002 INFO L226 Difference]: Without dead ends: 60858 [2024-10-12 19:33:05,093 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 [2024-10-12 19:33:05,094 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1249 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:33:05,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 884 Invalid, 1772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 19:33:05,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60858 states. [2024-10-12 19:33:07,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60858 to 60764. [2024-10-12 19:33:07,395 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) [2024-10-12 19:33:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60764 states to 60764 states and 104558 transitions. [2024-10-12 19:33:08,032 INFO L78 Accepts]: Start accepts. Automaton has 60764 states and 104558 transitions. Word has length 143 [2024-10-12 19:33:08,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:33:08,032 INFO L471 AbstractCegarLoop]: Abstraction has 60764 states and 104558 transitions. [2024-10-12 19:33:08,033 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) [2024-10-12 19:33:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 60764 states and 104558 transitions. [2024-10-12 19:33:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-12 19:33:08,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:33:08,127 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] [2024-10-12 19:33:08,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-12 19:33:08,127 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:33:08,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:33:08,128 INFO L85 PathProgramCache]: Analyzing trace with hash -705369185, now seen corresponding path program 1 times [2024-10-12 19:33:08,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:33:08,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231481064] [2024-10-12 19:33:08,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:33:08,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:33:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:33:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:33:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:33:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:33:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:33:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:33:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:33:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 19:33:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:33:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:33:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 19:33:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 19:33:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 19:33:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-12 19:33:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-12 19:33:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-12 19:33:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-12 19:33:08,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:33:08,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231481064] [2024-10-12 19:33:08,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231481064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:33:08,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:33:08,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:33:08,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187504578] [2024-10-12 19:33:08,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:33:08,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:33:08,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:33:08,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:33:08,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:33:08,278 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) [2024-10-12 19:33:12,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:33:12,033 INFO L93 Difference]: Finished difference Result 113816 states and 199607 transitions. [2024-10-12 19:33:12,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:33:12,034 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 [2024-10-12 19:33:12,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:33:12,572 INFO L225 Difference]: With dead ends: 113816 [2024-10-12 19:33:12,572 INFO L226 Difference]: Without dead ends: 113652 [2024-10-12 19:33:12,630 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 [2024-10-12 19:33:12,632 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1245 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 19:33:12,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 887 Invalid, 1764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 19:33:12,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113652 states. [2024-10-12 19:33:16,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113652 to 113558. [2024-10-12 19:33:16,546 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) [2024-10-12 19:33:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113558 states to 113558 states and 194829 transitions. [2024-10-12 19:33:17,475 INFO L78 Accepts]: Start accepts. Automaton has 113558 states and 194829 transitions. Word has length 144 [2024-10-12 19:33:17,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:33:17,476 INFO L471 AbstractCegarLoop]: Abstraction has 113558 states and 194829 transitions. [2024-10-12 19:33:17,476 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) [2024-10-12 19:33:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 113558 states and 194829 transitions. [2024-10-12 19:33:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-12 19:33:17,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:33:17,599 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] [2024-10-12 19:33:17,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-12 19:33:17,599 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:33:17,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:33:17,599 INFO L85 PathProgramCache]: Analyzing trace with hash 802422908, now seen corresponding path program 1 times [2024-10-12 19:33:17,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:33:17,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449676567] [2024-10-12 19:33:17,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:33:17,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:33:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:33:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:17,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:33:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:17,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:33:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:17,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:33:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:17,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:33:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:17,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:33:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:17,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:33:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:17,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:33:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:33:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:33:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:33:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-12 19:33:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-12 19:33:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 19:33:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 19:33:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 19:33:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-12 19:33:18,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:33:18,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449676567] [2024-10-12 19:33:18,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449676567] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:33:18,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294151687] [2024-10-12 19:33:18,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:33:18,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:33:18,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:33:18,038 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) [2024-10-12 19:33:18,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-12 19:33:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:33:18,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-12 19:33:18,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:33:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-12 19:33:18,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:33:18,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294151687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:33:18,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:33:18,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2024-10-12 19:33:18,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52701290] [2024-10-12 19:33:18,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:33:18,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:33:18,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:33:18,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:33:18,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-10-12 19:33:18,781 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) [2024-10-12 19:33:24,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:33:24,762 INFO L93 Difference]: Finished difference Result 226225 states and 393617 transitions. [2024-10-12 19:33:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-12 19:33:24,762 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 [2024-10-12 19:33:24,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:33:26,330 INFO L225 Difference]: With dead ends: 226225 [2024-10-12 19:33:26,330 INFO L226 Difference]: Without dead ends: 226066 [2024-10-12 19:33:26,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-10-12 19:33:26,403 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 852 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 19:33:26,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 4947 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 19:33:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226066 states.