./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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4216ddf014ff953368f9c10444517e5ad475a960f2c91abb81cda95e6b2b3bf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 21:57:49,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 21:57:49,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 21:57:49,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 21:57:49,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 21:57:49,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 21:57:49,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 21:57:49,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 21:57:49,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 21:57:49,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 21:57:49,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 21:57:49,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 21:57:49,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 21:57:49,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 21:57:49,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 21:57:49,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 21:57:49,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 21:57:49,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 21:57:49,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 21:57:49,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 21:57:49,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 21:57:49,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 21:57:49,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 21:57:49,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 21:57:49,918 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 21:57:49,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 21:57:49,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 21:57:49,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 21:57:49,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 21:57:49,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 21:57:49,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 21:57:49,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 21:57:49,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:57:49,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 21:57:49,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 21:57:49,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 21:57:49,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 21:57:49,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 21:57:49,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 21:57:49,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 21:57:49,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 21:57:49,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 21:57:49,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4216ddf014ff953368f9c10444517e5ad475a960f2c91abb81cda95e6b2b3bf [2024-11-19 21:57:50,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 21:57:50,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 21:57:50,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 21:57:50,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 21:57:50,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 21:57:50,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2024-11-19 21:57:51,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 21:57:51,922 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 21:57:51,926 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2024-11-19 21:57:51,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a4d2c21/15d13ea3df5d4521b0a7e5e6e390e741/FLAG7fde0e132 [2024-11-19 21:57:51,987 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a4d2c21/15d13ea3df5d4521b0a7e5e6e390e741 [2024-11-19 21:57:51,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 21:57:51,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 21:57:51,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 21:57:51,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 21:57:52,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 21:57:52,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:57:51" (1/1) ... [2024-11-19 21:57:52,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122f8480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52, skipping insertion in model container [2024-11-19 21:57:52,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:57:51" (1/1) ... [2024-11-19 21:57:52,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 21:57:52,608 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c[56376,56389] [2024-11-19 21:57:52,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:57:52,683 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 21:57:52,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-19 21:57:52,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [97] [2024-11-19 21:57:52,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [326] [2024-11-19 21:57:52,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1406] [2024-11-19 21:57:52,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1772] [2024-11-19 21:57:52,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2184] [2024-11-19 21:57:52,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2234] [2024-11-19 21:57:52,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2528] [2024-11-19 21:57:52,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2537] [2024-11-19 21:57:52,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2846] [2024-11-19 21:57:52,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2863] [2024-11-19 21:57:52,764 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c[56376,56389] [2024-11-19 21:57:52,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:57:52,821 INFO L204 MainTranslator]: Completed translation [2024-11-19 21:57:52,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52 WrapperNode [2024-11-19 21:57:52,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 21:57:52,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 21:57:52,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 21:57:52,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 21:57:52,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:52,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:52,913 INFO L138 Inliner]: procedures = 129, calls = 202, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 940 [2024-11-19 21:57:52,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 21:57:52,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 21:57:52,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 21:57:52,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 21:57:52,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:52,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:52,932 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:52,956 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-19 21:57:52,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:52,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:52,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:53,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:53,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:53,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:53,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 21:57:53,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 21:57:53,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 21:57:53,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 21:57:53,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (1/1) ... [2024-11-19 21:57:53,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:57:53,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:53,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 21:57:53,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 21:57:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-19 21:57:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-19 21:57:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-19 21:57:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-19 21:57:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-19 21:57:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-19 21:57:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-19 21:57:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-19 21:57:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-19 21:57:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-19 21:57:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-19 21:57:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-19 21:57:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-19 21:57:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-19 21:57:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-19 21:57:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-19 21:57:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-19 21:57:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-19 21:57:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-19 21:57:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-19 21:57:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-19 21:57:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-19 21:57:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-19 21:57:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-19 21:57:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-19 21:57:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-19 21:57:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 21:57:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-19 21:57:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-19 21:57:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-19 21:57:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-19 21:57:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-19 21:57:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-19 21:57:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-19 21:57:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-19 21:57:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-19 21:57:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-19 21:57:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-19 21:57:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-19 21:57:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-19 21:57:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-19 21:57:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-19 21:57:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-19 21:57:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-19 21:57:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-19 21:57:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 21:57:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 21:57:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 21:57:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 21:57:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-19 21:57:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-19 21:57:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-19 21:57:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-19 21:57:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 21:57:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 21:57:53,335 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 21:57:53,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 21:57:54,220 INFO L? ?]: Removed 478 outVars from TransFormulas that were not future-live. [2024-11-19 21:57:54,221 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 21:57:54,247 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 21:57:54,249 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 21:57:54,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:57:54 BoogieIcfgContainer [2024-11-19 21:57:54,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 21:57:54,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 21:57:54,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 21:57:54,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 21:57:54,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:57:51" (1/3) ... [2024-11-19 21:57:54,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ec5c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:57:54, skipping insertion in model container [2024-11-19 21:57:54,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:57:52" (2/3) ... [2024-11-19 21:57:54,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ec5c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:57:54, skipping insertion in model container [2024-11-19 21:57:54,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:57:54" (3/3) ... [2024-11-19 21:57:54,260 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product20.cil.c [2024-11-19 21:57:54,275 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 21:57:54,275 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 21:57:54,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 21:57:54,353 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;@4e502175, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 21:57:54,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 21:57:54,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 377 states, 293 states have (on average 1.5665529010238908) internal successors, (459), 298 states have internal predecessors, (459), 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) [2024-11-19 21:57:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 21:57:54,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:54,382 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, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:54,382 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:54,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:54,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1319087550, now seen corresponding path program 1 times [2024-11-19 21:57:54,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:54,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567828057] [2024-11-19 21:57:54,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:54,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:57:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:57:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:57:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-19 21:57:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 21:57:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:57:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:57:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:57:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:57:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:57:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:57:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:57:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:57:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 21:57:55,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:55,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567828057] [2024-11-19 21:57:55,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567828057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:55,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995283870] [2024-11-19 21:57:55,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:55,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:55,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:55,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:55,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 21:57:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:55,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 21:57:55,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 21:57:55,596 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:55,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995283870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:55,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:55,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-19 21:57:55,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911507686] [2024-11-19 21:57:55,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:55,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 21:57:55,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:55,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 21:57:55,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:57:55,635 INFO L87 Difference]: Start difference. First operand has 377 states, 293 states have (on average 1.5665529010238908) internal successors, (459), 298 states have internal predecessors, (459), 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 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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) [2024-11-19 21:57:55,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:55,697 INFO L93 Difference]: Finished difference Result 561 states and 840 transitions. [2024-11-19 21:57:55,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 21:57:55,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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 123 [2024-11-19 21:57:55,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:55,720 INFO L225 Difference]: With dead ends: 561 [2024-11-19 21:57:55,720 INFO L226 Difference]: Without dead ends: 370 [2024-11-19 21:57:55,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:57:55,734 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:55,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:55,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-19 21:57:55,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2024-11-19 21:57:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 287 states have (on average 1.5609756097560976) internal successors, (448), 291 states have internal predecessors, (448), 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) [2024-11-19 21:57:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 563 transitions. [2024-11-19 21:57:55,826 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 563 transitions. Word has length 123 [2024-11-19 21:57:55,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:55,828 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 563 transitions. [2024-11-19 21:57:55,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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) [2024-11-19 21:57:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 563 transitions. [2024-11-19 21:57:55,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 21:57:55,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:55,837 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:55,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 21:57:56,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 21:57:56,038 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:56,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:56,039 INFO L85 PathProgramCache]: Analyzing trace with hash 491224229, now seen corresponding path program 1 times [2024-11-19 21:57:56,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:56,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904901168] [2024-11-19 21:57:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:57:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:57:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:57:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-19 21:57:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-19 21:57:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:57:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:57:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:57:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:57:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:57:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:57:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:57:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:57:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:57:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 21:57:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 21:57:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 21:57:56,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:56,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904901168] [2024-11-19 21:57:56,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904901168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:56,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903485366] [2024-11-19 21:57:56,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:56,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:56,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:56,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:56,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 21:57:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:56,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 21:57:56,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-19 21:57:56,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:56,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903485366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:56,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:56,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:57:56,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780949497] [2024-11-19 21:57:56,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:56,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:57:56,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:56,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:57:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:56,836 INFO L87 Difference]: Start difference. First operand 370 states and 563 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-11-19 21:57:56,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:56,890 INFO L93 Difference]: Finished difference Result 551 states and 818 transitions. [2024-11-19 21:57:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:57:56,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 143 [2024-11-19 21:57:56,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:56,896 INFO L225 Difference]: With dead ends: 551 [2024-11-19 21:57:56,899 INFO L226 Difference]: Without dead ends: 373 [2024-11-19 21:57:56,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:56,902 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 1 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:56,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1120 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-19 21:57:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 372. [2024-11-19 21:57:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 289 states have (on average 1.5570934256055364) internal successors, (450), 293 states have internal predecessors, (450), 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) [2024-11-19 21:57:56,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 565 transitions. [2024-11-19 21:57:56,932 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 565 transitions. Word has length 143 [2024-11-19 21:57:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:56,936 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 565 transitions. [2024-11-19 21:57:56,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-11-19 21:57:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 565 transitions. [2024-11-19 21:57:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-19 21:57:56,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:56,940 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 21:57:56,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 21:57:57,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 21:57:57,141 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:57,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:57,141 INFO L85 PathProgramCache]: Analyzing trace with hash -311582633, now seen corresponding path program 1 times [2024-11-19 21:57:57,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:57,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617606312] [2024-11-19 21:57:57,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:57,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:57:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:57:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:57:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 21:57:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:57:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:57:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:57:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:57:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:57:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:57:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:57:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:57:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:57:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:57:57,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:57,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617606312] [2024-11-19 21:57:57,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617606312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:57,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571125663] [2024-11-19 21:57:57,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:57,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:57,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:57,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:57,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 21:57:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:57,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:57:57,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 21:57:57,752 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:57,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571125663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:57,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:57,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:57:57,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24736932] [2024-11-19 21:57:57,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:57,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:57:57,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:57,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:57:57,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:57,755 INFO L87 Difference]: Start difference. First operand 372 states and 565 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-19 21:57:57,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:57,795 INFO L93 Difference]: Finished difference Result 792 states and 1222 transitions. [2024-11-19 21:57:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:57:57,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 133 [2024-11-19 21:57:57,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:57,800 INFO L225 Difference]: With dead ends: 792 [2024-11-19 21:57:57,800 INFO L226 Difference]: Without dead ends: 447 [2024-11-19 21:57:57,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:57,804 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 134 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:57,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1096 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:57,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-19 21:57:57,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 439. [2024-11-19 21:57:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 342 states have (on average 1.5760233918128654) internal successors, (539), 346 states have internal predecessors, (539), 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) [2024-11-19 21:57:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 682 transitions. [2024-11-19 21:57:57,840 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 682 transitions. Word has length 133 [2024-11-19 21:57:57,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:57,842 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 682 transitions. [2024-11-19 21:57:57,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-19 21:57:57,843 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 682 transitions. [2024-11-19 21:57:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-19 21:57:57,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:57,846 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 21:57:57,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 21:57:58,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:58,048 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:58,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:58,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1676584718, now seen corresponding path program 1 times [2024-11-19 21:57:58,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:58,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138349490] [2024-11-19 21:57:58,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:58,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:57:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:57:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:57:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 21:57:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 21:57:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:57:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:57:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:57:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:57:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:57:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:57:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:57:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:57:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:57:58,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:58,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138349490] [2024-11-19 21:57:58,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138349490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:58,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198297270] [2024-11-19 21:57:58,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:58,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:58,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:58,292 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:58,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 21:57:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:58,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 21:57:58,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 21:57:58,669 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:58,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198297270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:58,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:58,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-19 21:57:58,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115277436] [2024-11-19 21:57:58,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:58,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:57:58,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:58,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:57:58,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:57:58,674 INFO L87 Difference]: Start difference. First operand 439 states and 682 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-19 21:57:58,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:58,746 INFO L93 Difference]: Finished difference Result 869 states and 1354 transitions. [2024-11-19 21:57:58,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:57:58,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 134 [2024-11-19 21:57:58,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:58,752 INFO L225 Difference]: With dead ends: 869 [2024-11-19 21:57:58,752 INFO L226 Difference]: Without dead ends: 441 [2024-11-19 21:57:58,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:57:58,754 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 2 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2209 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:58,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2209 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:58,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-19 21:57:58,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-19 21:57:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 343 states have (on average 1.5743440233236152) internal successors, (540), 348 states have internal predecessors, (540), 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) [2024-11-19 21:57:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 685 transitions. [2024-11-19 21:57:58,782 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 685 transitions. Word has length 134 [2024-11-19 21:57:58,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:58,782 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 685 transitions. [2024-11-19 21:57:58,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-19 21:57:58,783 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 685 transitions. [2024-11-19 21:57:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-19 21:57:58,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:58,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:58,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 21:57:58,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:58,987 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:58,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:58,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1847707309, now seen corresponding path program 1 times [2024-11-19 21:57:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:58,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099451988] [2024-11-19 21:57:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:58,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 21:57:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 21:57:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:57:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 21:57:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:57:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:57:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:57:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:57:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:57:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:57:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:57:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:57:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 21:57:59,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099451988] [2024-11-19 21:57:59,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099451988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:57:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136258969] [2024-11-19 21:57:59,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:59,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:59,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:57:59,271 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:57:59,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 21:57:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:59,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 21:57:59,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:57:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 21:57:59,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:57:59,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136258969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:59,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:57:59,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-19 21:57:59,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874004202] [2024-11-19 21:57:59,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:59,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:57:59,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:59,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:57:59,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:57:59,632 INFO L87 Difference]: Start difference. First operand 441 states and 685 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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) [2024-11-19 21:57:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:59,695 INFO L93 Difference]: Finished difference Result 871 states and 1359 transitions. [2024-11-19 21:57:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:57:59,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 135 [2024-11-19 21:57:59,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:59,698 INFO L225 Difference]: With dead ends: 871 [2024-11-19 21:57:59,698 INFO L226 Difference]: Without dead ends: 443 [2024-11-19 21:57:59,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:57:59,701 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 2 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2195 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:59,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2195 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:57:59,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-19 21:57:59,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-11-19 21:57:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 344 states have (on average 1.572674418604651) internal successors, (541), 350 states have internal predecessors, (541), 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) [2024-11-19 21:57:59,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 691 transitions. [2024-11-19 21:57:59,718 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 691 transitions. Word has length 135 [2024-11-19 21:57:59,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:59,718 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 691 transitions. [2024-11-19 21:57:59,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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) [2024-11-19 21:57:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 691 transitions. [2024-11-19 21:57:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-19 21:57:59,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:59,721 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:59,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 21:57:59,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:57:59,922 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:59,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:59,923 INFO L85 PathProgramCache]: Analyzing trace with hash 638749469, now seen corresponding path program 1 times [2024-11-19 21:57:59,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:59,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54143655] [2024-11-19 21:57:59,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:59,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 21:58:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:58:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-19 21:58:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:58:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:58:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:58:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:58:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:58:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:58:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:58:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:58:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:58:00,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:00,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54143655] [2024-11-19 21:58:00,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54143655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:00,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:00,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:58:00,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835749933] [2024-11-19 21:58:00,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:00,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:58:00,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:00,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:58:00,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:58:00,162 INFO L87 Difference]: Start difference. First operand 443 states and 691 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-11-19 21:58:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:02,360 INFO L93 Difference]: Finished difference Result 976 states and 1544 transitions. [2024-11-19 21:58:02,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:58:02,361 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 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 136 [2024-11-19 21:58:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:02,367 INFO L225 Difference]: With dead ends: 976 [2024-11-19 21:58:02,367 INFO L226 Difference]: Without dead ends: 556 [2024-11-19 21:58:02,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:58:02,369 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1203 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 2763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:02,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1339 Invalid, 2763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 2370 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-19 21:58:02,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-19 21:58:02,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 443. [2024-11-19 21:58:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 344 states have (on average 1.572674418604651) internal successors, (541), 350 states have internal predecessors, (541), 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) [2024-11-19 21:58:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 690 transitions. [2024-11-19 21:58:02,411 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 690 transitions. Word has length 136 [2024-11-19 21:58:02,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:02,411 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 690 transitions. [2024-11-19 21:58:02,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-11-19 21:58:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 690 transitions. [2024-11-19 21:58:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 21:58:02,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:02,414 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:02,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 21:58:02,415 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:02,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash 820017456, now seen corresponding path program 1 times [2024-11-19 21:58:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:02,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696195219] [2024-11-19 21:58:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:02,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 21:58:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:58:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 21:58:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:58:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:58:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:58:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:58:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:58:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:58:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:58:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 21:58:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:58:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 21:58:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:58:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 21:58:02,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:02,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696195219] [2024-11-19 21:58:02,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696195219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:02,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:02,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:58:02,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922705453] [2024-11-19 21:58:02,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:02,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:58:02,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:02,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:58:02,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:58:02,646 INFO L87 Difference]: Start difference. First operand 443 states and 690 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 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) [2024-11-19 21:58:04,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:04,650 INFO L93 Difference]: Finished difference Result 978 states and 1547 transitions. [2024-11-19 21:58:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:58:04,651 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 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 156 [2024-11-19 21:58:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:04,655 INFO L225 Difference]: With dead ends: 978 [2024-11-19 21:58:04,655 INFO L226 Difference]: Without dead ends: 558 [2024-11-19 21:58:04,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:58:04,658 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1199 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 2783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:04,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 1339 Invalid, 2783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 2378 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 21:58:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-19 21:58:04,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 445. [2024-11-19 21:58:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 345 states have (on average 1.5710144927536231) internal successors, (542), 352 states have internal predecessors, (542), 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) [2024-11-19 21:58:04,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 693 transitions. [2024-11-19 21:58:04,700 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 693 transitions. Word has length 156 [2024-11-19 21:58:04,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:04,700 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 693 transitions. [2024-11-19 21:58:04,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 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) [2024-11-19 21:58:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 693 transitions. [2024-11-19 21:58:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 21:58:04,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:04,703 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:04,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 21:58:04,703 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:04,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:04,704 INFO L85 PathProgramCache]: Analyzing trace with hash 613424210, now seen corresponding path program 1 times [2024-11-19 21:58:04,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:04,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327781270] [2024-11-19 21:58:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:04,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:58:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 21:58:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:58:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:58:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:58:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:58:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:58:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:58:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:58:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:58:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-19 21:58:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-19 21:58:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:05,023 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:05,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:05,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327781270] [2024-11-19 21:58:05,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327781270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:05,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:05,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:58:05,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073241187] [2024-11-19 21:58:05,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:05,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:58:05,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:05,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:58:05,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:58:05,025 INFO L87 Difference]: Start difference. First operand 445 states and 693 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-11-19 21:58:07,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:07,658 INFO L93 Difference]: Finished difference Result 976 states and 1542 transitions. [2024-11-19 21:58:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:58:07,659 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 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 157 [2024-11-19 21:58:07,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:07,663 INFO L225 Difference]: With dead ends: 976 [2024-11-19 21:58:07,663 INFO L226 Difference]: Without dead ends: 558 [2024-11-19 21:58:07,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:58:07,665 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1198 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4020 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 4414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 4020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:07,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 1856 Invalid, 4414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 4020 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-19 21:58:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-19 21:58:07,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 445. [2024-11-19 21:58:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 345 states have (on average 1.5710144927536231) internal successors, (542), 352 states have internal predecessors, (542), 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) [2024-11-19 21:58:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 692 transitions. [2024-11-19 21:58:07,697 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 692 transitions. Word has length 157 [2024-11-19 21:58:07,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:07,697 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 692 transitions. [2024-11-19 21:58:07,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-11-19 21:58:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 692 transitions. [2024-11-19 21:58:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-19 21:58:07,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:07,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:07,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 21:58:07,700 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:07,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:07,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1780844028, now seen corresponding path program 2 times [2024-11-19 21:58:07,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:07,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481639185] [2024-11-19 21:58:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:07,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 21:58:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:58:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:58:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:58:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:58:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:58:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 21:58:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:58:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-19 21:58:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:58:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 21:58:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 21:58:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:07,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:07,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481639185] [2024-11-19 21:58:07,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481639185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:07,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:07,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:58:07,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600545511] [2024-11-19 21:58:07,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:07,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:58:07,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:07,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:58:07,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:58:07,984 INFO L87 Difference]: Start difference. First operand 445 states and 692 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 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) [2024-11-19 21:58:10,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:10,217 INFO L93 Difference]: Finished difference Result 978 states and 1548 transitions. [2024-11-19 21:58:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:58:10,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 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 158 [2024-11-19 21:58:10,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:10,221 INFO L225 Difference]: With dead ends: 978 [2024-11-19 21:58:10,221 INFO L226 Difference]: Without dead ends: 560 [2024-11-19 21:58:10,222 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 [2024-11-19 21:58:10,223 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1196 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4023 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 4430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 4023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:10,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 1857 Invalid, 4430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 4023 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-19 21:58:10,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-19 21:58:10,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 447. [2024-11-19 21:58:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 346 states have (on average 1.569364161849711) internal successors, (543), 354 states have internal predecessors, (543), 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) [2024-11-19 21:58:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 698 transitions. [2024-11-19 21:58:10,254 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 698 transitions. Word has length 158 [2024-11-19 21:58:10,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:10,254 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 698 transitions. [2024-11-19 21:58:10,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 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) [2024-11-19 21:58:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 698 transitions. [2024-11-19 21:58:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-19 21:58:10,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:10,257 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:10,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 21:58:10,257 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:10,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1990999639, now seen corresponding path program 1 times [2024-11-19 21:58:10,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:10,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339742876] [2024-11-19 21:58:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 21:58:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:58:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:58:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:58:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:58:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:58:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:58:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:58:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:58:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 21:58:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 21:58:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 21:58:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 21:58:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-19 21:58:10,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:10,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339742876] [2024-11-19 21:58:10,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339742876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:58:10,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587693854] [2024-11-19 21:58:10,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:10,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:10,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:58:10,505 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:58:10,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 21:58:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:10,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:58:10,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:58:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:10,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 21:58:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:11,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587693854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 21:58:11,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 21:58:11,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-19 21:58:11,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115640161] [2024-11-19 21:58:11,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 21:58:11,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 21:58:11,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:11,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 21:58:11,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:58:11,014 INFO L87 Difference]: Start difference. First operand 447 states and 698 transitions. Second operand has 15 states, 14 states have (on average 11.642857142857142) internal successors, (163), 11 states have internal predecessors, (163), 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) [2024-11-19 21:58:13,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:13,594 INFO L93 Difference]: Finished difference Result 1418 states and 2345 transitions. [2024-11-19 21:58:13,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 21:58:13,595 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.642857142857142) internal successors, (163), 11 states have internal predecessors, (163), 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 159 [2024-11-19 21:58:13,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:13,601 INFO L225 Difference]: With dead ends: 1418 [2024-11-19 21:58:13,601 INFO L226 Difference]: Without dead ends: 1002 [2024-11-19 21:58:13,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-19 21:58:13,603 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 2516 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 797 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 5190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 797 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:13,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 2101 Invalid, 5190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [797 Valid, 4393 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 21:58:13,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2024-11-19 21:58:13,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 865. [2024-11-19 21:58:13,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 685 states have (on average 1.618978102189781) internal successors, (1109), 693 states have internal predecessors, (1109), 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) [2024-11-19 21:58:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1432 transitions. [2024-11-19 21:58:13,651 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1432 transitions. Word has length 159 [2024-11-19 21:58:13,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:13,651 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1432 transitions. [2024-11-19 21:58:13,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.642857142857142) internal successors, (163), 11 states have internal predecessors, (163), 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) [2024-11-19 21:58:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1432 transitions. [2024-11-19 21:58:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 21:58:13,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:13,656 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] [2024-11-19 21:58:13,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 21:58:13,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:58:13,857 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:13,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:13,858 INFO L85 PathProgramCache]: Analyzing trace with hash -159108113, now seen corresponding path program 1 times [2024-11-19 21:58:13,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:13,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519818385] [2024-11-19 21:58:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 21:58:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:58:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:58:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:58:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:58:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:58:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:58:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:58:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 21:58:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 21:58:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:13,978 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:13,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:13,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519818385] [2024-11-19 21:58:13,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519818385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:13,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:13,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:13,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685961962] [2024-11-19 21:58:13,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:13,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:13,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:13,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:13,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:13,979 INFO L87 Difference]: Start difference. First operand 865 states and 1432 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) [2024-11-19 21:58:15,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:15,313 INFO L93 Difference]: Finished difference Result 2163 states and 3674 transitions. [2024-11-19 21:58:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:15,314 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 [2024-11-19 21:58:15,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:15,321 INFO L225 Difference]: With dead ends: 2163 [2024-11-19 21:58:15,321 INFO L226 Difference]: Without dead ends: 1376 [2024-11-19 21:58:15,325 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 [2024-11-19 21:58:15,326 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1330 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1348 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:15,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1348 Valid, 1041 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:58:15,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-11-19 21:58:15,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1255. [2024-11-19 21:58:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 996 states have (on average 1.6355421686746987) internal successors, (1629), 1004 states have internal predecessors, (1629), 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) [2024-11-19 21:58:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2120 transitions. [2024-11-19 21:58:15,397 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2120 transitions. Word has length 143 [2024-11-19 21:58:15,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:15,397 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 2120 transitions. [2024-11-19 21:58:15,397 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) [2024-11-19 21:58:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2120 transitions. [2024-11-19 21:58:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-19 21:58:15,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:15,404 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] [2024-11-19 21:58:15,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 21:58:15,404 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:15,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:15,404 INFO L85 PathProgramCache]: Analyzing trace with hash -658341585, now seen corresponding path program 1 times [2024-11-19 21:58:15,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:15,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310320480] [2024-11-19 21:58:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:15,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:58:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:58:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:58:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:58:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:58:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:58:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:58:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:58:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:15,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:15,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310320480] [2024-11-19 21:58:15,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310320480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:15,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:15,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:15,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742575339] [2024-11-19 21:58:15,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:15,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:15,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:15,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:15,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:15,541 INFO L87 Difference]: Start difference. First operand 1255 states and 2120 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) [2024-11-19 21:58:16,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:16,966 INFO L93 Difference]: Finished difference Result 3137 states and 5383 transitions. [2024-11-19 21:58:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:16,967 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 [2024-11-19 21:58:16,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:16,978 INFO L225 Difference]: With dead ends: 3137 [2024-11-19 21:58:16,978 INFO L226 Difference]: Without dead ends: 2013 [2024-11-19 21:58:16,982 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 [2024-11-19 21:58:16,983 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1330 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1348 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:16,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1348 Valid, 1013 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 21:58:16,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2024-11-19 21:58:17,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1892. [2024-11-19 21:58:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1514 states have (on average 1.6426684280052841) internal successors, (2487), 1522 states have internal predecessors, (2487), 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) [2024-11-19 21:58:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 3216 transitions. [2024-11-19 21:58:17,073 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 3216 transitions. Word has length 144 [2024-11-19 21:58:17,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:17,073 INFO L471 AbstractCegarLoop]: Abstraction has 1892 states and 3216 transitions. [2024-11-19 21:58:17,074 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) [2024-11-19 21:58:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 3216 transitions. [2024-11-19 21:58:17,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 21:58:17,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:17,085 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, 1, 1, 1, 1, 1] [2024-11-19 21:58:17,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 21:58:17,086 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:17,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:17,086 INFO L85 PathProgramCache]: Analyzing trace with hash 617161805, now seen corresponding path program 1 times [2024-11-19 21:58:17,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:17,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23695520] [2024-11-19 21:58:17,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:17,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:58:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:58:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:58:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:58:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:58:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:58:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:58:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:58:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 21:58:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 21:58:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-19 21:58:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:17,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:17,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23695520] [2024-11-19 21:58:17,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23695520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:17,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:17,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:17,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974913103] [2024-11-19 21:58:17,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:17,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:17,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:17,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:17,215 INFO L87 Difference]: Start difference. First operand 1892 states and 3216 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (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) [2024-11-19 21:58:18,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:18,550 INFO L93 Difference]: Finished difference Result 4617 states and 7994 transitions. [2024-11-19 21:58:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:18,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (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 164 [2024-11-19 21:58:18,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:18,567 INFO L225 Difference]: With dead ends: 4617 [2024-11-19 21:58:18,568 INFO L226 Difference]: Without dead ends: 2991 [2024-11-19 21:58:18,575 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 [2024-11-19 21:58:18,576 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1327 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:18,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 976 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:58:18,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2024-11-19 21:58:18,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2870. [2024-11-19 21:58:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2330 states have (on average 1.6484978540772532) internal successors, (3841), 2338 states have internal predecessors, (3841), 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) [2024-11-19 21:58:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 4910 transitions. [2024-11-19 21:58:18,775 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 4910 transitions. Word has length 164 [2024-11-19 21:58:18,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:18,776 INFO L471 AbstractCegarLoop]: Abstraction has 2870 states and 4910 transitions. [2024-11-19 21:58:18,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (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) [2024-11-19 21:58:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 4910 transitions. [2024-11-19 21:58:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-19 21:58:18,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:18,788 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:18,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 21:58:18,789 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:18,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:18,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1039239600, now seen corresponding path program 1 times [2024-11-19 21:58:18,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:18,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810518793] [2024-11-19 21:58:18,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:18,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:58:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:58:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:58:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:58:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:58:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:58:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:58:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:58:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 21:58:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:58:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:18,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:18,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810518793] [2024-11-19 21:58:18,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810518793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:18,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:18,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:18,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663116445] [2024-11-19 21:58:18,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:18,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:18,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:18,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:18,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:18,918 INFO L87 Difference]: Start difference. First operand 2870 states and 4910 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, (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) [2024-11-19 21:58:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:20,280 INFO L93 Difference]: Finished difference Result 6956 states and 12129 transitions. [2024-11-19 21:58:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:20,281 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, (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 146 [2024-11-19 21:58:20,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:20,306 INFO L225 Difference]: With dead ends: 6956 [2024-11-19 21:58:20,306 INFO L226 Difference]: Without dead ends: 4571 [2024-11-19 21:58:20,314 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 [2024-11-19 21:58:20,315 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1319 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:20,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 976 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:58:20,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4571 states. [2024-11-19 21:58:20,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4571 to 4450. [2024-11-19 21:58:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4450 states, 3665 states have (on average 1.6526603001364257) internal successors, (6057), 3673 states have internal predecessors, (6057), 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) [2024-11-19 21:58:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4450 states to 4450 states and 7642 transitions. [2024-11-19 21:58:20,530 INFO L78 Accepts]: Start accepts. Automaton has 4450 states and 7642 transitions. Word has length 146 [2024-11-19 21:58:20,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:20,530 INFO L471 AbstractCegarLoop]: Abstraction has 4450 states and 7642 transitions. [2024-11-19 21:58:20,530 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, (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) [2024-11-19 21:58:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4450 states and 7642 transitions. [2024-11-19 21:58:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 21:58:20,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:20,548 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:20,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 21:58:20,548 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:20,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:20,549 INFO L85 PathProgramCache]: Analyzing trace with hash -452552879, now seen corresponding path program 1 times [2024-11-19 21:58:20,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:20,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004223733] [2024-11-19 21:58:20,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:20,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:58:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:58:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:58:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:58:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:58:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:58:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:58:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:58:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 21:58:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 21:58:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-19 21:58:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-19 21:58:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-19 21:58:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:20,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:20,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004223733] [2024-11-19 21:58:20,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004223733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:20,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:20,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:20,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309252617] [2024-11-19 21:58:20,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:20,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:20,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:20,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:20,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:20,679 INFO L87 Difference]: Start difference. First operand 4450 states and 7642 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 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) [2024-11-19 21:58:22,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:22,097 INFO L93 Difference]: Finished difference Result 11127 states and 19458 transitions. [2024-11-19 21:58:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:22,097 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 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 166 [2024-11-19 21:58:22,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:22,140 INFO L225 Difference]: With dead ends: 11127 [2024-11-19 21:58:22,140 INFO L226 Difference]: Without dead ends: 7414 [2024-11-19 21:58:22,155 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 [2024-11-19 21:58:22,156 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1315 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 1842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:22,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 1027 Invalid, 1842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 21:58:22,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7414 states. [2024-11-19 21:58:22,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7414 to 7293. [2024-11-19 21:58:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7293 states, 6015 states have (on average 1.6485453034081463) internal successors, (9916), 6023 states have internal predecessors, (9916), 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) [2024-11-19 21:58:22,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7293 states to 7293 states and 12531 transitions. [2024-11-19 21:58:22,541 INFO L78 Accepts]: Start accepts. Automaton has 7293 states and 12531 transitions. Word has length 166 [2024-11-19 21:58:22,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:22,542 INFO L471 AbstractCegarLoop]: Abstraction has 7293 states and 12531 transitions. [2024-11-19 21:58:22,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 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) [2024-11-19 21:58:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 7293 states and 12531 transitions. [2024-11-19 21:58:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-19 21:58:22,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:22,576 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:22,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 21:58:22,576 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:22,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:22,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1128633898, now seen corresponding path program 1 times [2024-11-19 21:58:22,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:22,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391184193] [2024-11-19 21:58:22,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:22,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:58:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:58:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:58:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:58:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:58:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:58:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:58:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:58:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 21:58:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-19 21:58:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-19 21:58:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-19 21:58:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-19 21:58:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:22,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:22,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391184193] [2024-11-19 21:58:22,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391184193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:22,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:22,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:22,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297513890] [2024-11-19 21:58:22,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:22,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:22,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:22,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:22,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:22,691 INFO L87 Difference]: Start difference. First operand 7293 states and 12531 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (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) [2024-11-19 21:58:24,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:24,054 INFO L93 Difference]: Finished difference Result 18547 states and 32422 transitions. [2024-11-19 21:58:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:24,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (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 167 [2024-11-19 21:58:24,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:24,113 INFO L225 Difference]: With dead ends: 18547 [2024-11-19 21:58:24,113 INFO L226 Difference]: Without dead ends: 12393 [2024-11-19 21:58:24,141 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 [2024-11-19 21:58:24,142 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1317 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:24,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 976 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:58:24,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12393 states. [2024-11-19 21:58:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12393 to 12272. [2024-11-19 21:58:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12272 states, 10172 states have (on average 1.6483484073928432) internal successors, (16767), 10180 states have internal predecessors, (16767), 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) [2024-11-19 21:58:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12272 states to 12272 states and 21104 transitions. [2024-11-19 21:58:24,719 INFO L78 Accepts]: Start accepts. Automaton has 12272 states and 21104 transitions. Word has length 167 [2024-11-19 21:58:24,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:24,719 INFO L471 AbstractCegarLoop]: Abstraction has 12272 states and 21104 transitions. [2024-11-19 21:58:24,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (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) [2024-11-19 21:58:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 12272 states and 21104 transitions. [2024-11-19 21:58:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 21:58:24,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:24,758 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:24,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 21:58:24,759 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:24,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:24,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1331626063, now seen corresponding path program 1 times [2024-11-19 21:58:24,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:24,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122080578] [2024-11-19 21:58:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:58:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:58:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:58:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:58:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:58:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:58:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:58:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:58:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:58:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 21:58:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:58:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-19 21:58:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-19 21:58:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:24,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:24,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122080578] [2024-11-19 21:58:24,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122080578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:24,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:24,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:24,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66458279] [2024-11-19 21:58:24,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:24,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:24,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:24,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:24,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:24,950 INFO L87 Difference]: Start difference. First operand 12272 states and 21104 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (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) [2024-11-19 21:58:26,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:26,363 INFO L93 Difference]: Finished difference Result 29505 states and 51282 transitions. [2024-11-19 21:58:26,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:26,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (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 168 [2024-11-19 21:58:26,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:26,447 INFO L225 Difference]: With dead ends: 29505 [2024-11-19 21:58:26,447 INFO L226 Difference]: Without dead ends: 19346 [2024-11-19 21:58:26,482 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 [2024-11-19 21:58:26,483 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1318 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 462 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:26,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 951 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [462 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:58:26,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19346 states. [2024-11-19 21:58:27,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19346 to 19225. [2024-11-19 21:58:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19225 states, 15922 states have (on average 1.6227232759703554) internal successors, (25837), 15930 states have internal predecessors, (25837), 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) [2024-11-19 21:58:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19225 states to 19225 states and 32724 transitions. [2024-11-19 21:58:27,297 INFO L78 Accepts]: Start accepts. Automaton has 19225 states and 32724 transitions. Word has length 168 [2024-11-19 21:58:27,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:27,298 INFO L471 AbstractCegarLoop]: Abstraction has 19225 states and 32724 transitions. [2024-11-19 21:58:27,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (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) [2024-11-19 21:58:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 19225 states and 32724 transitions. [2024-11-19 21:58:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-19 21:58:27,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:27,342 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:27,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 21:58:27,342 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:27,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:27,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1279250325, now seen corresponding path program 1 times [2024-11-19 21:58:27,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:27,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535480437] [2024-11-19 21:58:27,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:27,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:58:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:58:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:58:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:58:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:58:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:58:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:58:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:58:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 21:58:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:58:27,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:27,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535480437] [2024-11-19 21:58:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535480437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:27,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:27,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:27,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513068389] [2024-11-19 21:58:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:27,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:27,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:27,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:27,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:27,477 INFO L87 Difference]: Start difference. First operand 19225 states and 32724 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 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) [2024-11-19 21:58:29,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:29,525 INFO L93 Difference]: Finished difference Result 50937 states and 88200 transitions. [2024-11-19 21:58:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:29,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 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 150 [2024-11-19 21:58:29,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:29,681 INFO L225 Difference]: With dead ends: 50937 [2024-11-19 21:58:29,681 INFO L226 Difference]: Without dead ends: 34467 [2024-11-19 21:58:29,743 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 [2024-11-19 21:58:29,744 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1312 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:29,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 977 Invalid, 1801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 21:58:29,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34467 states. [2024-11-19 21:58:31,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34467 to 34346. [2024-11-19 21:58:31,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34346 states, 28593 states have (on average 1.6193823663134335) internal successors, (46303), 28601 states have internal predecessors, (46303), 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) [2024-11-19 21:58:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34346 states to 34346 states and 58364 transitions. [2024-11-19 21:58:31,212 INFO L78 Accepts]: Start accepts. Automaton has 34346 states and 58364 transitions. Word has length 150 [2024-11-19 21:58:31,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:31,216 INFO L471 AbstractCegarLoop]: Abstraction has 34346 states and 58364 transitions. [2024-11-19 21:58:31,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 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) [2024-11-19 21:58:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 34346 states and 58364 transitions. [2024-11-19 21:58:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-19 21:58:31,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:31,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:31,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 21:58:31,265 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:31,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:31,265 INFO L85 PathProgramCache]: Analyzing trace with hash -785135819, now seen corresponding path program 1 times [2024-11-19 21:58:31,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:31,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237948033] [2024-11-19 21:58:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:58:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:58:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:58:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:58:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:58:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:58:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:58:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:58:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:58:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-19 21:58:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 21:58:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-19 21:58:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-19 21:58:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:31,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:31,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237948033] [2024-11-19 21:58:31,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237948033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:31,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:31,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:31,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126457155] [2024-11-19 21:58:31,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:31,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:31,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:31,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:31,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:31,377 INFO L87 Difference]: Start difference. First operand 34346 states and 58364 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 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) [2024-11-19 21:58:34,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:34,522 INFO L93 Difference]: Finished difference Result 93809 states and 161599 transitions. [2024-11-19 21:58:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:34,523 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 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 170 [2024-11-19 21:58:34,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:34,778 INFO L225 Difference]: With dead ends: 93809 [2024-11-19 21:58:34,778 INFO L226 Difference]: Without dead ends: 63134 [2024-11-19 21:58:34,863 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 [2024-11-19 21:58:34,864 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1310 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:34,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 987 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 21:58:35,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63134 states. [2024-11-19 21:58:37,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63134 to 63013. [2024-11-19 21:58:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63013 states, 52747 states have (on average 1.6150302386865605) internal successors, (85188), 52755 states have internal predecessors, (85188), 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) [2024-11-19 21:58:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63013 states to 63013 states and 106807 transitions. [2024-11-19 21:58:38,091 INFO L78 Accepts]: Start accepts. Automaton has 63013 states and 106807 transitions. Word has length 170 [2024-11-19 21:58:38,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:38,097 INFO L471 AbstractCegarLoop]: Abstraction has 63013 states and 106807 transitions. [2024-11-19 21:58:38,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 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) [2024-11-19 21:58:38,097 INFO L276 IsEmpty]: Start isEmpty. Operand 63013 states and 106807 transitions. [2024-11-19 21:58:38,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 21:58:38,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:38,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:38,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 21:58:38,187 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:38,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:38,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1459602155, now seen corresponding path program 1 times [2024-11-19 21:58:38,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:38,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301065408] [2024-11-19 21:58:38,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:38,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:58:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:58:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:58:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:58:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:58:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:58:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 21:58:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-19 21:58:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:58:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 21:58:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 21:58:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 21:58:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 21:58:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:38,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:38,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301065408] [2024-11-19 21:58:38,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301065408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:38,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:38,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:58:38,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888435890] [2024-11-19 21:58:38,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:38,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:58:38,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:38,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:58:38,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:58:38,307 INFO L87 Difference]: Start difference. First operand 63013 states and 106807 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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) [2024-11-19 21:58:42,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:42,226 INFO L93 Difference]: Finished difference Result 118185 states and 203976 transitions. [2024-11-19 21:58:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:58:42,227 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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 171 [2024-11-19 21:58:42,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:42,722 INFO L225 Difference]: With dead ends: 118185 [2024-11-19 21:58:42,722 INFO L226 Difference]: Without dead ends: 118007 [2024-11-19 21:58:42,774 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 [2024-11-19 21:58:42,775 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1305 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:42,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 1017 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:58:43,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118007 states. [2024-11-19 21:58:46,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118007 to 117886. [2024-11-19 21:58:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117886 states, 99252 states have (on average 1.6095998065530166) internal successors, (159756), 99260 states have internal predecessors, (159756), 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) [2024-11-19 21:58:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117886 states to 117886 states and 199157 transitions. [2024-11-19 21:58:46,845 INFO L78 Accepts]: Start accepts. Automaton has 117886 states and 199157 transitions. Word has length 171 [2024-11-19 21:58:46,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:58:46,845 INFO L471 AbstractCegarLoop]: Abstraction has 117886 states and 199157 transitions. [2024-11-19 21:58:46,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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) [2024-11-19 21:58:46,846 INFO L276 IsEmpty]: Start isEmpty. Operand 117886 states and 199157 transitions. [2024-11-19 21:58:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-19 21:58:47,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:58:47,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:58:47,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 21:58:47,359 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:58:47,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:58:47,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1307139350, now seen corresponding path program 1 times [2024-11-19 21:58:47,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:58:47,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389155442] [2024-11-19 21:58:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:58:47,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:58:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:58:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:58:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:58:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:58:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:58:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:58:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:58:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:58:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:58:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:58:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:58:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:58:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:58:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 21:58:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:58:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 21:58:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-19 21:58:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-19 21:58:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-19 21:58:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:58:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 21:58:47,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:58:47,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389155442] [2024-11-19 21:58:47,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389155442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:58:47,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:58:47,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 21:58:47,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522635441] [2024-11-19 21:58:47,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:58:47,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 21:58:47,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:58:47,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 21:58:47,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:58:47,622 INFO L87 Difference]: Start difference. First operand 117886 states and 199157 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 21:58:54,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:58:54,879 INFO L93 Difference]: Finished difference Result 226906 states and 391228 transitions. [2024-11-19 21:58:54,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 21:58:54,880 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 172 [2024-11-19 21:58:54,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:58:55,879 INFO L225 Difference]: With dead ends: 226906 [2024-11-19 21:58:55,879 INFO L226 Difference]: Without dead ends: 226736 [2024-11-19 21:58:55,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-19 21:58:55,947 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 2709 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 861 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 861 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-19 21:58:55,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 1707 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [861 Valid, 3056 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-19 21:58:56,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226736 states. [2024-11-19 21:59:03,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226736 to 226504. [2024-11-19 21:59:03,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226504 states, 190739 states have (on average 1.6131048186265) internal successors, (307682), 190695 states have internal predecessors, (307682), 35712 states have call successors, (35712), 47 states have call predecessors, (35712), 52 states have return successors, (38995), 35765 states have call predecessors, (38995), 35710 states have call successors, (38995)