./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/product-lines/email_spec0_product40.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 b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:51:03,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:51:03,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:51:03,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:51:03,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:51:03,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:51:03,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:51:03,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:51:03,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:51:03,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:51:03,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:51:03,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:51:03,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:51:03,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:51:03,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:51:03,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:51:03,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:51:03,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:51:03,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:51:03,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:51:03,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:51:03,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:51:03,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:51:03,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:51:03,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:51:03,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:51:03,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:51:03,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:51:03,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:51:03,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:51:03,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:51:03,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:51:03,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:51:03,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:51:03,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:51:03,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:51:03,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:51:03,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:51:03,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:51:03,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:51:03,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:51:03,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:51:03,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 [2024-11-22 01:51:04,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:51:04,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:51:04,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:51:04,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:51:04,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:51:04,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2024-11-22 01:51:05,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:51:05,803 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:51:05,806 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2024-11-22 01:51:05,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e0ba9f9/94ea8cd968044a30b32688b8da48a737/FLAGe1c5d08af [2024-11-22 01:51:05,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e0ba9f9/94ea8cd968044a30b32688b8da48a737 [2024-11-22 01:51:05,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:51:05,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:51:05,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:51:05,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:51:05,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:51:05,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:51:05" (1/1) ... [2024-11-22 01:51:05,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686ada7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:05, skipping insertion in model container [2024-11-22 01:51:05,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:51:05" (1/1) ... [2024-11-22 01:51:05,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:51:06,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c[7657,7670] [2024-11-22 01:51:06,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:51:06,538 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:51:06,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-22 01:51:06,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [392] [2024-11-22 01:51:06,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [401] [2024-11-22 01:51:06,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [683] [2024-11-22 01:51:06,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [718] [2024-11-22 01:51:06,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1780] [2024-11-22 01:51:06,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1800] [2024-11-22 01:51:06,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2022] [2024-11-22 01:51:06,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2039] [2024-11-22 01:51:06,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2103] [2024-11-22 01:51:06,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2510] [2024-11-22 01:51:06,566 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c[7657,7670] [2024-11-22 01:51:06,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:51:06,732 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:51:06,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06 WrapperNode [2024-11-22 01:51:06,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:51:06,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:51:06,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:51:06,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:51:06,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,833 INFO L138 Inliner]: procedures = 127, calls = 185, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 908 [2024-11-22 01:51:06,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:51:06,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:51:06,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:51:06,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:51:06,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,925 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]. [2024-11-22 01:51:06,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:51:06,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:51:06,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:51:06,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:51:06,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (1/1) ... [2024-11-22 01:51:06,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:51:06,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:51:07,015 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) [2024-11-22 01:51:07,029 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 [2024-11-22 01:51:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 01:51:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 01:51:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 01:51:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 01:51:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:51:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:51:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:51:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:51:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:51:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:51:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:51:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:51:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 01:51:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 01:51:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 01:51:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 01:51:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:51:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:51:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-22 01:51:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-22 01:51:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:51:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:51:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:51:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 01:51:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 01:51:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 01:51:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 01:51:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 01:51:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 01:51:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:51:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:51:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:51:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:51:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 01:51:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 01:51:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:51:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:51:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:51:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:51:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 01:51:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 01:51:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 01:51:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 01:51:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 01:51:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 01:51:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:51:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:51:07,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:51:07,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:51:07,885 INFO L? ?]: Removed 433 outVars from TransFormulas that were not future-live. [2024-11-22 01:51:07,886 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:51:07,926 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:51:07,926 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:51:07,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:51:07 BoogieIcfgContainer [2024-11-22 01:51:07,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:51:07,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:51:07,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:51:07,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:51:07,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:51:05" (1/3) ... [2024-11-22 01:51:07,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc40ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:51:07, skipping insertion in model container [2024-11-22 01:51:07,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:51:06" (2/3) ... [2024-11-22 01:51:07,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc40ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:51:07, skipping insertion in model container [2024-11-22 01:51:07,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:51:07" (3/3) ... [2024-11-22 01:51:07,949 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2024-11-22 01:51:07,980 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:51:07,981 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:51:08,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:51:08,073 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;@5110789d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:51:08,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:51:08,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 262 states have (on average 1.5648854961832062) internal successors, (410), 265 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 01:51:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-22 01:51:08,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:08,105 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] [2024-11-22 01:51:08,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:08,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:08,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1406926796, now seen corresponding path program 1 times [2024-11-22 01:51:08,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:08,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649188531] [2024-11-22 01:51:08,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 01:51:08,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:08,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649188531] [2024-11-22 01:51:08,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649188531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:51:08,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099687884] [2024-11-22 01:51:08,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:08,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:51:08,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:51:08,719 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) [2024-11-22 01:51:08,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 01:51:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:08,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 01:51:08,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:51:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:51:09,008 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:51:09,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099687884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:09,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:51:09,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 01:51:09,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577365960] [2024-11-22 01:51:09,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:09,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:51:09,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:09,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:51:09,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:51:09,042 INFO L87 Difference]: Start difference. First operand has 336 states, 262 states have (on average 1.5648854961832062) internal successors, (410), 265 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:09,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:09,098 INFO L93 Difference]: Finished difference Result 474 states and 710 transitions. [2024-11-22 01:51:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:51:09,102 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2024-11-22 01:51:09,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:09,115 INFO L225 Difference]: With dead ends: 474 [2024-11-22 01:51:09,115 INFO L226 Difference]: Without dead ends: 329 [2024-11-22 01:51:09,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:51:09,127 INFO L432 NwaCegarLoop]: 510 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, 510 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 [2024-11-22 01:51:09,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:09,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-22 01:51:09,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-22 01:51:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 256 states have (on average 1.55859375) internal successors, (399), 258 states have internal predecessors, (399), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-22 01:51:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 502 transitions. [2024-11-22 01:51:09,185 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 502 transitions. Word has length 106 [2024-11-22 01:51:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:09,186 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 502 transitions. [2024-11-22 01:51:09,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 502 transitions. [2024-11-22 01:51:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-22 01:51:09,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:09,192 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] [2024-11-22 01:51:09,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 01:51:09,393 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 [2024-11-22 01:51:09,393 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:09,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:09,394 INFO L85 PathProgramCache]: Analyzing trace with hash 367503438, now seen corresponding path program 1 times [2024-11-22 01:51:09,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:09,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184272477] [2024-11-22 01:51:09,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:09,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 01:51:09,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:09,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184272477] [2024-11-22 01:51:09,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184272477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:51:09,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169001452] [2024-11-22 01:51:09,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:09,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:51:09,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:51:09,661 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) [2024-11-22 01:51:09,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 01:51:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:09,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:51:09,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:51:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:51:09,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:51:09,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169001452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:09,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:51:09,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:51:09,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573773350] [2024-11-22 01:51:09,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:09,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:09,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:09,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:09,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:51:09,940 INFO L87 Difference]: Start difference. First operand 329 states and 502 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:09,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:09,972 INFO L93 Difference]: Finished difference Result 464 states and 688 transitions. [2024-11-22 01:51:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:09,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2024-11-22 01:51:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:09,976 INFO L225 Difference]: With dead ends: 464 [2024-11-22 01:51:09,976 INFO L226 Difference]: Without dead ends: 332 [2024-11-22 01:51:09,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:51:09,978 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 1 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 998 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 [2024-11-22 01:51:09,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 998 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:09,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-22 01:51:09,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 331. [2024-11-22 01:51:09,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 258 states have (on average 1.554263565891473) internal successors, (401), 260 states have internal predecessors, (401), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-22 01:51:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 504 transitions. [2024-11-22 01:51:10,000 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 504 transitions. Word has length 107 [2024-11-22 01:51:10,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:10,000 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 504 transitions. [2024-11-22 01:51:10,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 504 transitions. [2024-11-22 01:51:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-22 01:51:10,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:10,004 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] [2024-11-22 01:51:10,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 01:51:10,208 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 [2024-11-22 01:51:10,209 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:10,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash -204057119, now seen corresponding path program 1 times [2024-11-22 01:51:10,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:10,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394226405] [2024-11-22 01:51:10,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:10,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:51:10,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:10,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394226405] [2024-11-22 01:51:10,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394226405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:51:10,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282747280] [2024-11-22 01:51:10,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:10,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:51:10,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:51:10,407 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) [2024-11-22 01:51:10,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 01:51:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:10,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:51:10,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:51:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:51:10,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:51:10,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282747280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:10,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:51:10,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:51:10,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974557999] [2024-11-22 01:51:10,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:10,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:10,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:10,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:10,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:51:10,674 INFO L87 Difference]: Start difference. First operand 331 states and 504 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:10,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:10,699 INFO L93 Difference]: Finished difference Result 715 states and 1108 transitions. [2024-11-22 01:51:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:10,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2024-11-22 01:51:10,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:10,702 INFO L225 Difference]: With dead ends: 715 [2024-11-22 01:51:10,703 INFO L226 Difference]: Without dead ends: 411 [2024-11-22 01:51:10,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:51:10,705 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 142 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 968 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 [2024-11-22 01:51:10,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 968 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:10,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-22 01:51:10,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 403. [2024-11-22 01:51:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 316 states have (on average 1.5759493670886076) internal successors, (498), 318 states have internal predecessors, (498), 66 states have call successors, (66), 20 states have call predecessors, (66), 20 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-22 01:51:10,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 629 transitions. [2024-11-22 01:51:10,727 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 629 transitions. Word has length 116 [2024-11-22 01:51:10,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:10,727 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 629 transitions. [2024-11-22 01:51:10,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 629 transitions. [2024-11-22 01:51:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-22 01:51:10,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:10,729 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] [2024-11-22 01:51:10,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 01:51:10,930 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 [2024-11-22 01:51:10,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:10,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:10,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2123369663, now seen corresponding path program 1 times [2024-11-22 01:51:10,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:10,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769114137] [2024-11-22 01:51:10,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:10,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:51:11,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:11,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769114137] [2024-11-22 01:51:11,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769114137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:51:11,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037137158] [2024-11-22 01:51:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:11,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:51:11,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:51:11,091 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) [2024-11-22 01:51:11,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 01:51:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:11,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:51:11,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:51:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 01:51:11,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:51:11,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037137158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:11,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:51:11,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:51:11,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425047356] [2024-11-22 01:51:11,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:11,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:51:11,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:11,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:51:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:51:11,425 INFO L87 Difference]: Start difference. First operand 403 states and 629 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:11,493 INFO L93 Difference]: Finished difference Result 797 states and 1248 transitions. [2024-11-22 01:51:11,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:51:11,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2024-11-22 01:51:11,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:11,496 INFO L225 Difference]: With dead ends: 797 [2024-11-22 01:51:11,497 INFO L226 Difference]: Without dead ends: 405 [2024-11-22 01:51:11,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:51:11,499 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 2 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1965 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 [2024-11-22 01:51:11,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1965 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:11,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-22 01:51:11,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-11-22 01:51:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 317 states have (on average 1.5741324921135647) internal successors, (499), 320 states have internal predecessors, (499), 66 states have call successors, (66), 20 states have call predecessors, (66), 21 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-11-22 01:51:11,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 632 transitions. [2024-11-22 01:51:11,526 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 632 transitions. Word has length 117 [2024-11-22 01:51:11,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:11,527 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 632 transitions. [2024-11-22 01:51:11,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 632 transitions. [2024-11-22 01:51:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-22 01:51:11,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:11,532 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] [2024-11-22 01:51:11,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 01:51:11,732 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 [2024-11-22 01:51:11,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:11,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2069827737, now seen corresponding path program 1 times [2024-11-22 01:51:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:11,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330149626] [2024-11-22 01:51:11,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 01:51:11,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:11,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330149626] [2024-11-22 01:51:11,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330149626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:51:11,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252861376] [2024-11-22 01:51:11,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:11,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:51:11,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:51:11,892 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) [2024-11-22 01:51:11,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 01:51:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:12,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:51:12,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:51:12,156 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 01:51:12,157 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:51:12,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252861376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:12,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:51:12,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-22 01:51:12,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714315213] [2024-11-22 01:51:12,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:12,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:51:12,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:12,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:51:12,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:51:12,158 INFO L87 Difference]: Start difference. First operand 405 states and 632 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:12,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:12,232 INFO L93 Difference]: Finished difference Result 799 states and 1253 transitions. [2024-11-22 01:51:12,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:51:12,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2024-11-22 01:51:12,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:12,235 INFO L225 Difference]: With dead ends: 799 [2024-11-22 01:51:12,235 INFO L226 Difference]: Without dead ends: 407 [2024-11-22 01:51:12,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:51:12,240 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 2 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1951 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 [2024-11-22 01:51:12,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1951 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:12,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-22 01:51:12,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-22 01:51:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 318 states have (on average 1.5723270440251573) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-22 01:51:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 638 transitions. [2024-11-22 01:51:12,266 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 638 transitions. Word has length 118 [2024-11-22 01:51:12,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:12,270 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 638 transitions. [2024-11-22 01:51:12,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 638 transitions. [2024-11-22 01:51:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-22 01:51:12,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:12,294 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] [2024-11-22 01:51:12,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 01:51:12,499 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 [2024-11-22 01:51:12,503 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:12,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:12,504 INFO L85 PathProgramCache]: Analyzing trace with hash 961121911, now seen corresponding path program 1 times [2024-11-22 01:51:12,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:12,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991416638] [2024-11-22 01:51:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:12,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:51:12,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:12,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991416638] [2024-11-22 01:51:12,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991416638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:12,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:12,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:51:12,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992158988] [2024-11-22 01:51:12,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:12,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:51:12,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:12,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:51:12,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:51:12,640 INFO L87 Difference]: Start difference. First operand 407 states and 638 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:12,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:12,671 INFO L93 Difference]: Finished difference Result 791 states and 1244 transitions. [2024-11-22 01:51:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:51:12,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2024-11-22 01:51:12,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:12,674 INFO L225 Difference]: With dead ends: 791 [2024-11-22 01:51:12,674 INFO L226 Difference]: Without dead ends: 407 [2024-11-22 01:51:12,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:51:12,676 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 2 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:51:12,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1969 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:12,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-22 01:51:12,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-22 01:51:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 318 states have (on average 1.5723270440251573) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-11-22 01:51:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 637 transitions. [2024-11-22 01:51:12,688 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 637 transitions. Word has length 119 [2024-11-22 01:51:12,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:12,688 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 637 transitions. [2024-11-22 01:51:12,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:12,688 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 637 transitions. [2024-11-22 01:51:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-22 01:51:12,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:12,690 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:51:12,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:51:12,690 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:12,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:12,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1104683589, now seen corresponding path program 2 times [2024-11-22 01:51:12,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:12,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625255641] [2024-11-22 01:51:12,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 01:51:12,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:12,712 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 01:51:12,712 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:51:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-22 01:51:12,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:12,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625255641] [2024-11-22 01:51:12,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625255641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:12,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:12,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:51:12,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134057333] [2024-11-22 01:51:12,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:12,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:51:12,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:12,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:51:12,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:51:12,775 INFO L87 Difference]: Start difference. First operand 407 states and 637 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:12,826 INFO L93 Difference]: Finished difference Result 841 states and 1328 transitions. [2024-11-22 01:51:12,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:51:12,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2024-11-22 01:51:12,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:12,833 INFO L225 Difference]: With dead ends: 841 [2024-11-22 01:51:12,833 INFO L226 Difference]: Without dead ends: 717 [2024-11-22 01:51:12,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:51:12,835 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 459 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:51:12,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1879 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:12,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-22 01:51:12,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 715. [2024-11-22 01:51:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 567 states have (on average 1.6137566137566137) internal successors, (915), 573 states have internal predecessors, (915), 112 states have call successors, (112), 36 states have call predecessors, (112), 35 states have return successors, (117), 105 states have call predecessors, (117), 111 states have call successors, (117) [2024-11-22 01:51:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1144 transitions. [2024-11-22 01:51:12,868 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1144 transitions. Word has length 120 [2024-11-22 01:51:12,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:12,869 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 1144 transitions. [2024-11-22 01:51:12,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1144 transitions. [2024-11-22 01:51:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 01:51:12,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:12,874 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:51:12,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 01:51:12,874 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:12,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:12,875 INFO L85 PathProgramCache]: Analyzing trace with hash 952716635, now seen corresponding path program 1 times [2024-11-22 01:51:12,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:12,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568420518] [2024-11-22 01:51:12,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:12,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:51:13,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:13,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568420518] [2024-11-22 01:51:13,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568420518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:13,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:13,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:51:13,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540203870] [2024-11-22 01:51:13,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:13,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:51:13,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:13,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:51:13,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:51:13,042 INFO L87 Difference]: Start difference. First operand 715 states and 1144 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:13,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:13,088 INFO L93 Difference]: Finished difference Result 1409 states and 2261 transitions. [2024-11-22 01:51:13,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:51:13,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 121 [2024-11-22 01:51:13,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:13,093 INFO L225 Difference]: With dead ends: 1409 [2024-11-22 01:51:13,093 INFO L226 Difference]: Without dead ends: 717 [2024-11-22 01:51:13,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:51:13,095 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 1 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1972 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 [2024-11-22 01:51:13,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1972 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:13,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-22 01:51:13,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2024-11-22 01:51:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 568 states have (on average 1.6126760563380282) internal successors, (916), 575 states have internal predecessors, (916), 112 states have call successors, (112), 36 states have call predecessors, (112), 36 states have return successors, (119), 105 states have call predecessors, (119), 111 states have call successors, (119) [2024-11-22 01:51:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1147 transitions. [2024-11-22 01:51:13,129 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1147 transitions. Word has length 121 [2024-11-22 01:51:13,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:13,129 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1147 transitions. [2024-11-22 01:51:13,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:51:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1147 transitions. [2024-11-22 01:51:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 01:51:13,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:13,133 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] [2024-11-22 01:51:13,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 01:51:13,134 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:13,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1534535866, now seen corresponding path program 1 times [2024-11-22 01:51:13,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:13,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638125363] [2024-11-22 01:51:13,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:13,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 01:51:13,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:13,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638125363] [2024-11-22 01:51:13,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638125363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:13,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:13,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:51:13,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519294170] [2024-11-22 01:51:13,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:13,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:51:13,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:13,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:51:13,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:51:13,260 INFO L87 Difference]: Start difference. First operand 717 states and 1147 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 01:51:13,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:13,400 INFO L93 Difference]: Finished difference Result 1413 states and 2264 transitions. [2024-11-22 01:51:13,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:51:13,400 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 122 [2024-11-22 01:51:13,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:13,405 INFO L225 Difference]: With dead ends: 1413 [2024-11-22 01:51:13,405 INFO L226 Difference]: Without dead ends: 721 [2024-11-22 01:51:13,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 01:51:13,409 INFO L432 NwaCegarLoop]: 486 mSDtfsCounter, 7 mSDsluCounter, 2887 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:51:13,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3373 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:51:13,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-11-22 01:51:13,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 719. [2024-11-22 01:51:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 570 states have (on average 1.6105263157894736) internal successors, (918), 576 states have internal predecessors, (918), 112 states have call successors, (112), 37 states have call predecessors, (112), 36 states have return successors, (118), 105 states have call predecessors, (118), 111 states have call successors, (118) [2024-11-22 01:51:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1148 transitions. [2024-11-22 01:51:13,436 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1148 transitions. Word has length 122 [2024-11-22 01:51:13,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:13,437 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 1148 transitions. [2024-11-22 01:51:13,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 01:51:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1148 transitions. [2024-11-22 01:51:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 01:51:13,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:13,440 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:51:13,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 01:51:13,441 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:13,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:13,441 INFO L85 PathProgramCache]: Analyzing trace with hash -827145796, now seen corresponding path program 1 times [2024-11-22 01:51:13,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:13,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376233834] [2024-11-22 01:51:13,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:13,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 01:51:13,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:13,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376233834] [2024-11-22 01:51:13,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376233834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:13,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:13,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:51:13,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905490895] [2024-11-22 01:51:13,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:13,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:51:13,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:13,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:51:13,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:51:13,575 INFO L87 Difference]: Start difference. First operand 719 states and 1148 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 01:51:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:13,697 INFO L93 Difference]: Finished difference Result 1416 states and 2271 transitions. [2024-11-22 01:51:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:51:13,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 127 [2024-11-22 01:51:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:13,702 INFO L225 Difference]: With dead ends: 1416 [2024-11-22 01:51:13,702 INFO L226 Difference]: Without dead ends: 724 [2024-11-22 01:51:13,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 01:51:13,704 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 5 mSDsluCounter, 2899 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3387 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:51:13,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3387 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:51:13,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-22 01:51:13,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 722. [2024-11-22 01:51:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 572 states have (on average 1.6083916083916083) internal successors, (920), 579 states have internal predecessors, (920), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (123), 105 states have call predecessors, (123), 111 states have call successors, (123) [2024-11-22 01:51:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1155 transitions. [2024-11-22 01:51:13,732 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1155 transitions. Word has length 127 [2024-11-22 01:51:13,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:13,732 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1155 transitions. [2024-11-22 01:51:13,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 01:51:13,733 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1155 transitions. [2024-11-22 01:51:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-22 01:51:13,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:13,736 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] [2024-11-22 01:51:13,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 01:51:13,736 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:13,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash 549105827, now seen corresponding path program 1 times [2024-11-22 01:51:13,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:13,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055876115] [2024-11-22 01:51:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:13,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:13,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:13,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055876115] [2024-11-22 01:51:13,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055876115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:13,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:13,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:13,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907087155] [2024-11-22 01:51:13,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:13,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:13,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:13,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:13,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:13,832 INFO L87 Difference]: Start difference. First operand 722 states and 1155 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:13,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:13,867 INFO L93 Difference]: Finished difference Result 1738 states and 2840 transitions. [2024-11-22 01:51:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:13,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2024-11-22 01:51:13,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:13,875 INFO L225 Difference]: With dead ends: 1738 [2024-11-22 01:51:13,875 INFO L226 Difference]: Without dead ends: 1050 [2024-11-22 01:51:13,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:13,878 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 140 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1015 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 [2024-11-22 01:51:13,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1015 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-11-22 01:51:13,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 1040. [2024-11-22 01:51:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 828 states have (on average 1.6328502415458936) internal successors, (1352), 835 states have internal predecessors, (1352), 174 states have call successors, (174), 37 states have call predecessors, (174), 37 states have return successors, (189), 167 states have call predecessors, (189), 173 states have call successors, (189) [2024-11-22 01:51:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1715 transitions. [2024-11-22 01:51:13,924 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1715 transitions. Word has length 128 [2024-11-22 01:51:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:13,925 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1715 transitions. [2024-11-22 01:51:13,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1715 transitions. [2024-11-22 01:51:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-22 01:51:13,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:13,930 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:51:13,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 01:51:13,930 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:13,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:13,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1450442592, now seen corresponding path program 1 times [2024-11-22 01:51:13,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:13,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593937987] [2024-11-22 01:51:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:13,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:13,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:13,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593937987] [2024-11-22 01:51:13,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593937987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:13,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:13,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:13,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739098649] [2024-11-22 01:51:13,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:13,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:13,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:13,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:13,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:13,992 INFO L87 Difference]: Start difference. First operand 1040 states and 1715 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:14,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:14,035 INFO L93 Difference]: Finished difference Result 2692 states and 4512 transitions. [2024-11-22 01:51:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:14,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 129 [2024-11-22 01:51:14,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:14,046 INFO L225 Difference]: With dead ends: 2692 [2024-11-22 01:51:14,047 INFO L226 Difference]: Without dead ends: 1686 [2024-11-22 01:51:14,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:14,051 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 138 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 998 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 [2024-11-22 01:51:14,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 998 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:14,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2024-11-22 01:51:14,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1676. [2024-11-22 01:51:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1348 states have (on average 1.6528189910979227) internal successors, (2228), 1355 states have internal predecessors, (2228), 290 states have call successors, (290), 37 states have call predecessors, (290), 37 states have return successors, (305), 283 states have call predecessors, (305), 289 states have call successors, (305) [2024-11-22 01:51:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2823 transitions. [2024-11-22 01:51:14,110 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2823 transitions. Word has length 129 [2024-11-22 01:51:14,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:14,111 INFO L471 AbstractCegarLoop]: Abstraction has 1676 states and 2823 transitions. [2024-11-22 01:51:14,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2823 transitions. [2024-11-22 01:51:14,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 01:51:14,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:14,117 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] [2024-11-22 01:51:14,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 01:51:14,117 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:14,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:14,118 INFO L85 PathProgramCache]: Analyzing trace with hash -488353739, now seen corresponding path program 1 times [2024-11-22 01:51:14,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:14,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949199832] [2024-11-22 01:51:14,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:14,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:14,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:14,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949199832] [2024-11-22 01:51:14,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949199832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:14,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:14,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:14,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873404968] [2024-11-22 01:51:14,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:14,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:14,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:14,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:14,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:14,173 INFO L87 Difference]: Start difference. First operand 1676 states and 2823 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:14,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:14,272 INFO L93 Difference]: Finished difference Result 4528 states and 7724 transitions. [2024-11-22 01:51:14,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:14,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2024-11-22 01:51:14,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:14,287 INFO L225 Difference]: With dead ends: 4528 [2024-11-22 01:51:14,288 INFO L226 Difference]: Without dead ends: 2886 [2024-11-22 01:51:14,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:14,295 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 136 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 993 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 [2024-11-22 01:51:14,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 993 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:14,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2024-11-22 01:51:14,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2876. [2024-11-22 01:51:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2356 states have (on average 1.66893039049236) internal successors, (3932), 2363 states have internal predecessors, (3932), 482 states have call successors, (482), 37 states have call predecessors, (482), 37 states have return successors, (505), 475 states have call predecessors, (505), 481 states have call successors, (505) [2024-11-22 01:51:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 4919 transitions. [2024-11-22 01:51:14,388 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 4919 transitions. Word has length 130 [2024-11-22 01:51:14,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:14,388 INFO L471 AbstractCegarLoop]: Abstraction has 2876 states and 4919 transitions. [2024-11-22 01:51:14,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 4919 transitions. [2024-11-22 01:51:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 01:51:14,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:14,396 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] [2024-11-22 01:51:14,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:51:14,396 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:14,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1794004117, now seen corresponding path program 1 times [2024-11-22 01:51:14,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:14,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492235198] [2024-11-22 01:51:14,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:14,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 01:51:14,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:14,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492235198] [2024-11-22 01:51:14,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492235198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:51:14,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457583823] [2024-11-22 01:51:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:14,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:51:14,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:51:14,529 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) [2024-11-22 01:51:14,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 01:51:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:14,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:51:14,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:51:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:14,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:51:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:14,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457583823] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:51:14,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:51:14,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-11-22 01:51:14,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60186041] [2024-11-22 01:51:14,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:51:14,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 01:51:14,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:14,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 01:51:14,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:51:14,927 INFO L87 Difference]: Start difference. First operand 2876 states and 4919 transitions. Second operand has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-22 01:51:15,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:15,627 INFO L93 Difference]: Finished difference Result 7847 states and 13463 transitions. [2024-11-22 01:51:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 01:51:15,628 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 124 [2024-11-22 01:51:15,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:15,652 INFO L225 Difference]: With dead ends: 7847 [2024-11-22 01:51:15,652 INFO L226 Difference]: Without dead ends: 5003 [2024-11-22 01:51:15,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-22 01:51:15,721 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 1410 mSDsluCounter, 3097 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1410 SdHoareTripleChecker+Valid, 3592 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 01:51:15,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1410 Valid, 3592 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 01:51:15,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5003 states. [2024-11-22 01:51:15,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5003 to 4975. [2024-11-22 01:51:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4975 states, 4106 states have (on average 1.6475888943010228) internal successors, (6765), 4112 states have internal predecessors, (6765), 831 states have call successors, (831), 38 states have call predecessors, (831), 37 states have return successors, (878), 824 states have call predecessors, (878), 830 states have call successors, (878) [2024-11-22 01:51:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4975 states to 4975 states and 8474 transitions. [2024-11-22 01:51:15,911 INFO L78 Accepts]: Start accepts. Automaton has 4975 states and 8474 transitions. Word has length 124 [2024-11-22 01:51:15,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:15,911 INFO L471 AbstractCegarLoop]: Abstraction has 4975 states and 8474 transitions. [2024-11-22 01:51:15,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-22 01:51:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4975 states and 8474 transitions. [2024-11-22 01:51:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 01:51:15,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:15,929 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] [2024-11-22 01:51:15,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 01:51:16,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:51:16,130 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:16,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:16,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1095666606, now seen corresponding path program 1 times [2024-11-22 01:51:16,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:16,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925106066] [2024-11-22 01:51:16,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:16,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:16,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:16,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925106066] [2024-11-22 01:51:16,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925106066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:16,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:16,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:16,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772765933] [2024-11-22 01:51:16,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:16,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:16,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:16,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:16,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:16,180 INFO L87 Difference]: Start difference. First operand 4975 states and 8474 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:16,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:16,447 INFO L93 Difference]: Finished difference Result 12425 states and 21284 transitions. [2024-11-22 01:51:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:16,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2024-11-22 01:51:16,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:16,494 INFO L225 Difference]: With dead ends: 12425 [2024-11-22 01:51:16,497 INFO L226 Difference]: Without dead ends: 7940 [2024-11-22 01:51:16,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:16,521 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 133 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 991 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 [2024-11-22 01:51:16,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 991 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:16,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7940 states. [2024-11-22 01:51:16,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7940 to 7930. [2024-11-22 01:51:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7930 states, 6634 states have (on average 1.6517937895688874) internal successors, (10958), 6640 states have internal predecessors, (10958), 1258 states have call successors, (1258), 38 states have call predecessors, (1258), 37 states have return successors, (1331), 1251 states have call predecessors, (1331), 1257 states have call successors, (1331) [2024-11-22 01:51:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7930 states to 7930 states and 13547 transitions. [2024-11-22 01:51:16,894 INFO L78 Accepts]: Start accepts. Automaton has 7930 states and 13547 transitions. Word has length 130 [2024-11-22 01:51:16,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:16,894 INFO L471 AbstractCegarLoop]: Abstraction has 7930 states and 13547 transitions. [2024-11-22 01:51:16,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7930 states and 13547 transitions. [2024-11-22 01:51:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 01:51:16,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:16,918 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] [2024-11-22 01:51:16,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:51:16,919 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:16,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:16,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2034224632, now seen corresponding path program 1 times [2024-11-22 01:51:16,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:16,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646818480] [2024-11-22 01:51:16,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:16,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:16,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646818480] [2024-11-22 01:51:16,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646818480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:16,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:16,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:16,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652034230] [2024-11-22 01:51:16,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:16,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:16,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:16,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:16,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:16,973 INFO L87 Difference]: Start difference. First operand 7930 states and 13547 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:17,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:17,454 INFO L93 Difference]: Finished difference Result 19834 states and 34134 transitions. [2024-11-22 01:51:17,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:17,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2024-11-22 01:51:17,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:17,500 INFO L225 Difference]: With dead ends: 19834 [2024-11-22 01:51:17,500 INFO L226 Difference]: Without dead ends: 13312 [2024-11-22 01:51:17,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:17,520 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 131 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1014 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 [2024-11-22 01:51:17,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1014 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:17,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13312 states. [2024-11-22 01:51:17,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13312 to 13302. [2024-11-22 01:51:17,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13302 states, 11070 states have (on average 1.6529358626919604) internal successors, (18298), 11076 states have internal predecessors, (18298), 2194 states have call successors, (2194), 38 states have call predecessors, (2194), 37 states have return successors, (2311), 2187 states have call predecessors, (2311), 2193 states have call successors, (2311) [2024-11-22 01:51:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13302 states to 13302 states and 22803 transitions. [2024-11-22 01:51:18,038 INFO L78 Accepts]: Start accepts. Automaton has 13302 states and 22803 transitions. Word has length 131 [2024-11-22 01:51:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:18,040 INFO L471 AbstractCegarLoop]: Abstraction has 13302 states and 22803 transitions. [2024-11-22 01:51:18,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 13302 states and 22803 transitions. [2024-11-22 01:51:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-22 01:51:18,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:18,068 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] [2024-11-22 01:51:18,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 01:51:18,068 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:18,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:18,069 INFO L85 PathProgramCache]: Analyzing trace with hash 923692150, now seen corresponding path program 1 times [2024-11-22 01:51:18,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:18,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886198711] [2024-11-22 01:51:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:18,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:18,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:18,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886198711] [2024-11-22 01:51:18,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886198711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:18,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:18,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:18,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598381410] [2024-11-22 01:51:18,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:18,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:18,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:18,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:18,118 INFO L87 Difference]: Start difference. First operand 13302 states and 22803 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:18,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:18,831 INFO L93 Difference]: Finished difference Result 34784 states and 59938 transitions. [2024-11-22 01:51:18,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:18,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 132 [2024-11-22 01:51:18,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:18,936 INFO L225 Difference]: With dead ends: 34784 [2024-11-22 01:51:18,937 INFO L226 Difference]: Without dead ends: 23124 [2024-11-22 01:51:19,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:19,115 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 129 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 998 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 [2024-11-22 01:51:19,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 998 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:19,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23124 states. [2024-11-22 01:51:19,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23124 to 23114. [2024-11-22 01:51:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23114 states, 19324 states have (on average 1.6513144276547298) internal successors, (31910), 19330 states have internal predecessors, (31910), 3752 states have call successors, (3752), 38 states have call predecessors, (3752), 37 states have return successors, (3947), 3745 states have call predecessors, (3947), 3751 states have call successors, (3947) [2024-11-22 01:51:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23114 states to 23114 states and 39609 transitions. [2024-11-22 01:51:19,875 INFO L78 Accepts]: Start accepts. Automaton has 23114 states and 39609 transitions. Word has length 132 [2024-11-22 01:51:19,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:19,876 INFO L471 AbstractCegarLoop]: Abstraction has 23114 states and 39609 transitions. [2024-11-22 01:51:19,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 23114 states and 39609 transitions. [2024-11-22 01:51:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-22 01:51:19,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:19,912 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] [2024-11-22 01:51:19,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 01:51:19,912 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:19,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:19,913 INFO L85 PathProgramCache]: Analyzing trace with hash 797910662, now seen corresponding path program 1 times [2024-11-22 01:51:19,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:19,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960299437] [2024-11-22 01:51:19,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:19,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:19,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:19,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960299437] [2024-11-22 01:51:19,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960299437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:19,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:19,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:19,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778243233] [2024-11-22 01:51:19,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:19,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:19,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:19,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:19,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:19,964 INFO L87 Difference]: Start difference. First operand 23114 states and 39609 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:20,962 INFO L93 Difference]: Finished difference Result 57261 states and 97832 transitions. [2024-11-22 01:51:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:20,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 133 [2024-11-22 01:51:20,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:21,116 INFO L225 Difference]: With dead ends: 57261 [2024-11-22 01:51:21,116 INFO L226 Difference]: Without dead ends: 37225 [2024-11-22 01:51:21,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:21,170 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 127 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 968 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 [2024-11-22 01:51:21,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 968 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37225 states. [2024-11-22 01:51:22,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37225 to 37215. [2024-11-22 01:51:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37215 states, 31106 states have (on average 1.6249919629653442) internal successors, (50547), 31112 states have internal predecessors, (50547), 6071 states have call successors, (6071), 38 states have call predecessors, (6071), 37 states have return successors, (6410), 6064 states have call predecessors, (6410), 6070 states have call successors, (6410) [2024-11-22 01:51:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37215 states to 37215 states and 63028 transitions. [2024-11-22 01:51:22,710 INFO L78 Accepts]: Start accepts. Automaton has 37215 states and 63028 transitions. Word has length 133 [2024-11-22 01:51:22,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:22,711 INFO L471 AbstractCegarLoop]: Abstraction has 37215 states and 63028 transitions. [2024-11-22 01:51:22,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 37215 states and 63028 transitions. [2024-11-22 01:51:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-22 01:51:22,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:22,748 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] [2024-11-22 01:51:22,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:51:22,748 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:22,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:22,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1499745367, now seen corresponding path program 1 times [2024-11-22 01:51:22,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:22,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477228241] [2024-11-22 01:51:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:22,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:22,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477228241] [2024-11-22 01:51:22,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477228241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:22,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:22,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:22,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779042433] [2024-11-22 01:51:22,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:22,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:22,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:22,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:22,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:22,813 INFO L87 Difference]: Start difference. First operand 37215 states and 63028 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:24,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:24,764 INFO L93 Difference]: Finished difference Result 101343 states and 172135 transitions. [2024-11-22 01:51:24,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:24,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 134 [2024-11-22 01:51:24,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:25,101 INFO L225 Difference]: With dead ends: 101343 [2024-11-22 01:51:25,101 INFO L226 Difference]: Without dead ends: 68113 [2024-11-22 01:51:25,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:25,186 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 125 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 994 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 [2024-11-22 01:51:25,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 994 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68113 states. [2024-11-22 01:51:27,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68113 to 68103. [2024-11-22 01:51:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68103 states, 57208 states have (on average 1.621066983638652) internal successors, (92738), 57214 states have internal predecessors, (92738), 10857 states have call successors, (10857), 38 states have call predecessors, (10857), 37 states have return successors, (11470), 10850 states have call predecessors, (11470), 10856 states have call successors, (11470) [2024-11-22 01:51:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68103 states to 68103 states and 115065 transitions. [2024-11-22 01:51:28,292 INFO L78 Accepts]: Start accepts. Automaton has 68103 states and 115065 transitions. Word has length 134 [2024-11-22 01:51:28,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:28,293 INFO L471 AbstractCegarLoop]: Abstraction has 68103 states and 115065 transitions. [2024-11-22 01:51:28,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 68103 states and 115065 transitions. [2024-11-22 01:51:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-22 01:51:28,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:28,331 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] [2024-11-22 01:51:28,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 01:51:28,331 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:28,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:28,332 INFO L85 PathProgramCache]: Analyzing trace with hash 273582144, now seen corresponding path program 1 times [2024-11-22 01:51:28,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:28,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705274480] [2024-11-22 01:51:28,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:28,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:28,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:28,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705274480] [2024-11-22 01:51:28,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705274480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:28,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:28,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:28,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725150346] [2024-11-22 01:51:28,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:28,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:28,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:28,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:28,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:28,392 INFO L87 Difference]: Start difference. First operand 68103 states and 115065 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:31,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:31,818 INFO L93 Difference]: Finished difference Result 190156 states and 322013 transitions. [2024-11-22 01:51:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:31,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 135 [2024-11-22 01:51:31,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:32,516 INFO L225 Difference]: With dead ends: 190156 [2024-11-22 01:51:32,516 INFO L226 Difference]: Without dead ends: 127278 [2024-11-22 01:51:32,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:32,684 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 123 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 996 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 [2024-11-22 01:51:32,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 996 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:32,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127278 states. [2024-11-22 01:51:37,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127278 to 127268. [2024-11-22 01:51:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127268 states, 107476 states have (on average 1.6162678179314451) internal successors, (173710), 107482 states have internal predecessors, (173710), 19754 states have call successors, (19754), 38 states have call predecessors, (19754), 37 states have return successors, (20899), 19747 states have call predecessors, (20899), 19753 states have call successors, (20899) [2024-11-22 01:51:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127268 states to 127268 states and 214363 transitions. [2024-11-22 01:51:38,296 INFO L78 Accepts]: Start accepts. Automaton has 127268 states and 214363 transitions. Word has length 135 [2024-11-22 01:51:38,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:38,297 INFO L471 AbstractCegarLoop]: Abstraction has 127268 states and 214363 transitions. [2024-11-22 01:51:38,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 127268 states and 214363 transitions. [2024-11-22 01:51:38,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 01:51:38,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:38,347 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] [2024-11-22 01:51:38,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 01:51:38,347 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:38,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:38,348 INFO L85 PathProgramCache]: Analyzing trace with hash -901189673, now seen corresponding path program 1 times [2024-11-22 01:51:38,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:38,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907384716] [2024-11-22 01:51:38,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:38,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:51:38,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:38,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907384716] [2024-11-22 01:51:38,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907384716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:38,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:51:38,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:51:38,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987482359] [2024-11-22 01:51:38,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:38,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:51:38,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:38,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:51:38,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:38,397 INFO L87 Difference]: Start difference. First operand 127268 states and 214363 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:51:43,670 INFO L93 Difference]: Finished difference Result 240403 states and 405533 transitions. [2024-11-22 01:51:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:51:43,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 136 [2024-11-22 01:51:43,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:51:44,839 INFO L225 Difference]: With dead ends: 240403 [2024-11-22 01:51:44,839 INFO L226 Difference]: Without dead ends: 240207 [2024-11-22 01:51:44,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:51:44,950 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 118 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:51:44,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1008 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:51:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240207 states. [2024-11-22 01:51:53,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240207 to 240197. [2024-11-22 01:51:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240197 states, 203983 states have (on average 1.61073716927391) internal successors, (328563), 203989 states have internal predecessors, (328563), 36176 states have call successors, (36176), 38 states have call predecessors, (36176), 37 states have return successors, (38367), 36169 states have call predecessors, (38367), 36175 states have call successors, (38367) [2024-11-22 01:51:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240197 states to 240197 states and 403106 transitions. [2024-11-22 01:51:54,467 INFO L78 Accepts]: Start accepts. Automaton has 240197 states and 403106 transitions. Word has length 136 [2024-11-22 01:51:54,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:51:54,467 INFO L471 AbstractCegarLoop]: Abstraction has 240197 states and 403106 transitions. [2024-11-22 01:51:54,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:51:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 240197 states and 403106 transitions. [2024-11-22 01:51:54,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-22 01:51:54,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:51:54,521 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:51:54,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 01:51:54,522 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:51:54,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:51:54,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2067820321, now seen corresponding path program 1 times [2024-11-22 01:51:54,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:51:54,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821997485] [2024-11-22 01:51:54,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:54,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:51:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:51:55,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:51:55,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821997485] [2024-11-22 01:51:55,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821997485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:51:55,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007862177] [2024-11-22 01:51:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:51:55,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:51:55,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:51:55,728 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:51:55,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 01:51:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:51:55,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 01:51:55,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:51:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 01:51:56,226 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:51:56,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007862177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:51:56,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:51:56,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 25 [2024-11-22 01:51:56,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973527926] [2024-11-22 01:51:56,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:51:56,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 01:51:56,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:51:56,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 01:51:56,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2024-11-22 01:51:56,229 INFO L87 Difference]: Start difference. First operand 240197 states and 403106 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-22 01:52:01,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:01,580 INFO L93 Difference]: Finished difference Result 240550 states and 403622 transitions. [2024-11-22 01:52:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 01:52:01,581 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 137 [2024-11-22 01:52:01,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:02,657 INFO L225 Difference]: With dead ends: 240550 [2024-11-22 01:52:02,657 INFO L226 Difference]: Without dead ends: 240424 [2024-11-22 01:52:02,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=1172, Unknown=0, NotChecked=0, Total=1332 [2024-11-22 01:52:02,764 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 691 mSDsluCounter, 4319 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 4862 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:02,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 4862 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 01:52:02,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240424 states.