./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e6954a366a92a56976ad3f15dd01067d582436273e28a74386bd548c596ad28b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:53:14,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:53:14,174 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:53:14,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:53:14,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:53:14,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:53:14,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:53:14,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:53:14,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:53:14,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:53:14,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:53:14,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:53:14,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:53:14,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:53:14,199 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:53:14,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:53:14,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:53:14,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:53:14,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:53:14,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:53:14,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:53:14,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:53:14,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:53:14,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:53:14,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:53:14,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:53:14,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:53:14,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:53:14,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:53:14,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:53:14,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:53:14,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:53:14,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:53:14,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:53:14,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:53:14,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:53:14,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:53:14,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:53:14,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:53:14,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:53:14,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:53:14,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:53:14,206 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6954a366a92a56976ad3f15dd01067d582436273e28a74386bd548c596ad28b [2024-10-11 02:53:14,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:53:14,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:53:14,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:53:14,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:53:14,439 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:53:14,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c [2024-10-11 02:53:15,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:53:16,042 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:53:16,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c [2024-10-11 02:53:16,056 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/004db4722/84a008e5602a47e2a7bbab3cbae10822/FLAGcb193a856 [2024-10-11 02:53:16,067 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/004db4722/84a008e5602a47e2a7bbab3cbae10822 [2024-10-11 02:53:16,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:53:16,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:53:16,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:53:16,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:53:16,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:53:16,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6e7a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16, skipping insertion in model container [2024-10-11 02:53:16,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:53:16,504 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c[48298,48311] [2024-10-11 02:53:16,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:53:16,557 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:53:16,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-10-11 02:53:16,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2024-10-11 02:53:16,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [225] [2024-10-11 02:53:16,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [678] [2024-10-11 02:53:16,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [1749] [2024-10-11 02:53:16,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1768] [2024-10-11 02:53:16,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2134] [2024-10-11 02:53:16,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2143] [2024-10-11 02:53:16,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2181] [2024-10-11 02:53:16,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2491] [2024-10-11 02:53:16,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2888] [2024-10-11 02:53:16,607 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c[48298,48311] [2024-10-11 02:53:16,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:53:16,643 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:53:16,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16 WrapperNode [2024-10-11 02:53:16,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:53:16,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:53:16,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:53:16,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:53:16,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,709 INFO L138 Inliner]: procedures = 137, calls = 226, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1142 [2024-10-11 02:53:16,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:53:16,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:53:16,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:53:16,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:53:16,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,746 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-11 02:53:16,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:53:16,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:53:16,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:53:16,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:53:16,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (1/1) ... [2024-10-11 02:53:16,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:53:16,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:16,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:53:16,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:53:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-11 02:53:16,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-11 02:53:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-11 02:53:16,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-11 02:53:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-11 02:53:16,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-11 02:53:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-11 02:53:16,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-11 02:53:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-11 02:53:16,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-11 02:53:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-11 02:53:16,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-11 02:53:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-11 02:53:16,935 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-11 02:53:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-11 02:53:16,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-11 02:53:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-11 02:53:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-11 02:53:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-11 02:53:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-11 02:53:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-11 02:53:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-11 02:53:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-11 02:53:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-11 02:53:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-11 02:53:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-11 02:53:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-11 02:53:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-11 02:53:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-10-11 02:53:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-10-11 02:53:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-11 02:53:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-11 02:53:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:53:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-11 02:53:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-11 02:53:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-11 02:53:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-11 02:53:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-11 02:53:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-11 02:53:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-11 02:53:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-11 02:53:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-11 02:53:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-11 02:53:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-11 02:53:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-11 02:53:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-11 02:53:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-11 02:53:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-11 02:53:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-11 02:53:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-11 02:53:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-11 02:53:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-11 02:53:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-11 02:53:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-11 02:53:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-11 02:53:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:53:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 02:53:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 02:53:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 02:53:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-11 02:53:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-11 02:53:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-11 02:53:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-11 02:53:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:53:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:53:17,090 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:53:17,092 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:53:17,948 INFO L? ?]: Removed 604 outVars from TransFormulas that were not future-live. [2024-10-11 02:53:17,948 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:53:18,011 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:53:18,013 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 02:53:18,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:53:18 BoogieIcfgContainer [2024-10-11 02:53:18,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:53:18,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:53:18,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:53:18,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:53:18,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:53:16" (1/3) ... [2024-10-11 02:53:18,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7008c544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:53:18, skipping insertion in model container [2024-10-11 02:53:18,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:53:16" (2/3) ... [2024-10-11 02:53:18,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7008c544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:53:18, skipping insertion in model container [2024-10-11 02:53:18,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:53:18" (3/3) ... [2024-10-11 02:53:18,022 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product35.cil.c [2024-10-11 02:53:18,036 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:53:18,037 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:53:18,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:53:18,104 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;@605a5d24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:53:18,104 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:53:18,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 431 states, 326 states have (on average 1.5889570552147239) internal successors, (518), 331 states have internal predecessors, (518), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 02:53:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 02:53:18,142 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:18,143 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:18,143 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:18,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:18,149 INFO L85 PathProgramCache]: Analyzing trace with hash 804346933, now seen corresponding path program 1 times [2024-10-11 02:53:18,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:18,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135507345] [2024-10-11 02:53:18,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:18,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:53:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:53:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:53:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 02:53:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 02:53:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:53:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:53:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:53:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:53:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:53:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:53:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:53:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:53:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:19,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:53:19,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:19,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135507345] [2024-10-11 02:53:19,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135507345] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:19,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865325548] [2024-10-11 02:53:19,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:19,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:19,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:19,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:19,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:53:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:19,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 02:53:19,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:53:19,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:19,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865325548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:19,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:19,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-11 02:53:19,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971948753] [2024-10-11 02:53:19,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:19,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:53:19,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:19,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:53:19,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:53:19,423 INFO L87 Difference]: Start difference. First operand has 431 states, 326 states have (on average 1.5889570552147239) internal successors, (518), 331 states have internal predecessors, (518), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:19,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:19,567 INFO L93 Difference]: Finished difference Result 674 states and 1024 transitions. [2024-10-11 02:53:19,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:53:19,570 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 123 [2024-10-11 02:53:19,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:19,581 INFO L225 Difference]: With dead ends: 674 [2024-10-11 02:53:19,581 INFO L226 Difference]: Without dead ends: 428 [2024-10-11 02:53:19,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:53:19,593 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:19,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 642 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:53:19,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-10-11 02:53:19,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-10-11 02:53:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 324 states have (on average 1.5771604938271604) internal successors, (511), 328 states have internal predecessors, (511), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 02:53:19,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 658 transitions. [2024-10-11 02:53:19,644 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 658 transitions. Word has length 123 [2024-10-11 02:53:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:19,645 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 658 transitions. [2024-10-11 02:53:19,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 658 transitions. [2024-10-11 02:53:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 02:53:19,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:19,650 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:19,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 02:53:19,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 02:53:19,851 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:19,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:19,852 INFO L85 PathProgramCache]: Analyzing trace with hash 412256919, now seen corresponding path program 1 times [2024-10-11 02:53:19,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:19,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356310104] [2024-10-11 02:53:19,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:19,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:53:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:53:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:53:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 02:53:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:53:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:53:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:53:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:53:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:53:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:53:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:53:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:53:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:53:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:53:20,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:20,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356310104] [2024-10-11 02:53:20,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356310104] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:20,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179643007] [2024-10-11 02:53:20,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:20,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:20,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:20,150 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:20,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:53:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 02:53:20,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:53:20,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:20,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179643007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:20,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:20,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:53:20,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979878497] [2024-10-11 02:53:20,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:20,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:53:20,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:20,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:53:20,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:53:20,524 INFO L87 Difference]: Start difference. First operand 428 states and 658 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:20,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:20,588 INFO L93 Difference]: Finished difference Result 670 states and 1008 transitions. [2024-10-11 02:53:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:53:20,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 124 [2024-10-11 02:53:20,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:20,592 INFO L225 Difference]: With dead ends: 670 [2024-10-11 02:53:20,592 INFO L226 Difference]: Without dead ends: 430 [2024-10-11 02:53:20,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:53:20,594 INFO L432 NwaCegarLoop]: 639 mSDtfsCounter, 0 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:20,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1277 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:53:20,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-10-11 02:53:20,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-10-11 02:53:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 326 states have (on average 1.5736196319018405) internal successors, (513), 330 states have internal predecessors, (513), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 02:53:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 660 transitions. [2024-10-11 02:53:20,621 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 660 transitions. Word has length 124 [2024-10-11 02:53:20,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:20,621 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 660 transitions. [2024-10-11 02:53:20,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 660 transitions. [2024-10-11 02:53:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 02:53:20,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:20,624 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:20,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 02:53:20,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:20,825 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:20,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:20,828 INFO L85 PathProgramCache]: Analyzing trace with hash 583139764, now seen corresponding path program 1 times [2024-10-11 02:53:20,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:20,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977265761] [2024-10-11 02:53:20,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:20,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:53:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:53:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:53:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 02:53:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:53:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:53:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:53:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:53:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:53:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:53:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:53:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:53:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:53:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 02:53:21,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:21,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977265761] [2024-10-11 02:53:21,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977265761] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:21,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355851092] [2024-10-11 02:53:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:21,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:21,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 02:53:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:53:21,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:53:21,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:21,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355851092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:21,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:21,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:53:21,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100434908] [2024-10-11 02:53:21,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:21,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:53:21,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:21,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:53:21,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:53:21,362 INFO L87 Difference]: Start difference. First operand 430 states and 660 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:21,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:21,477 INFO L93 Difference]: Finished difference Result 912 states and 1419 transitions. [2024-10-11 02:53:21,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:53:21,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2024-10-11 02:53:21,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:21,481 INFO L225 Difference]: With dead ends: 912 [2024-10-11 02:53:21,484 INFO L226 Difference]: Without dead ends: 504 [2024-10-11 02:53:21,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:53:21,487 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 136 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:21,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1256 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:53:21,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-10-11 02:53:21,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 499. [2024-10-11 02:53:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 381 states have (on average 1.5931758530183726) internal successors, (607), 385 states have internal predecessors, (607), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2024-10-11 02:53:21,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 782 transitions. [2024-10-11 02:53:21,508 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 782 transitions. Word has length 131 [2024-10-11 02:53:21,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:21,509 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 782 transitions. [2024-10-11 02:53:21,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 782 transitions. [2024-10-11 02:53:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 02:53:21,511 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:21,511 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:21,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 02:53:21,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:21,712 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:21,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:21,713 INFO L85 PathProgramCache]: Analyzing trace with hash -356369399, now seen corresponding path program 1 times [2024-10-11 02:53:21,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:21,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202144503] [2024-10-11 02:53:21,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:21,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:53:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:53:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:53:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 02:53:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:53:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:53:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:53:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:53:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:53:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:53:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:53:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:53:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:53:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:53:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:53:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 02:53:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 02:53:21,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202144503] [2024-10-11 02:53:21,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202144503] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702232325] [2024-10-11 02:53:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:21,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:21,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:21,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 02:53:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 02:53:22,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-11 02:53:22,290 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:22,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702232325] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:22,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:22,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 02:53:22,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485906756] [2024-10-11 02:53:22,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:22,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:53:22,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:53:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:53:22,292 INFO L87 Difference]: Start difference. First operand 499 states and 782 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 02:53:22,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:22,388 INFO L93 Difference]: Finished difference Result 993 states and 1558 transitions. [2024-10-11 02:53:22,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:53:22,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 150 [2024-10-11 02:53:22,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:22,393 INFO L225 Difference]: With dead ends: 993 [2024-10-11 02:53:22,393 INFO L226 Difference]: Without dead ends: 501 [2024-10-11 02:53:22,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:53:22,395 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 2 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2513 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:22,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2513 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:53:22,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-10-11 02:53:22,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2024-10-11 02:53:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 382 states have (on average 1.5916230366492146) internal successors, (608), 387 states have internal predecessors, (608), 88 states have call successors, (88), 29 states have call predecessors, (88), 30 states have return successors, (89), 86 states have call predecessors, (89), 87 states have call successors, (89) [2024-10-11 02:53:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 785 transitions. [2024-10-11 02:53:22,419 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 785 transitions. Word has length 150 [2024-10-11 02:53:22,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:22,420 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 785 transitions. [2024-10-11 02:53:22,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 02:53:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 785 transitions. [2024-10-11 02:53:22,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 02:53:22,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:22,423 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:22,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 02:53:22,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:22,624 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:22,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:22,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1887192996, now seen corresponding path program 1 times [2024-10-11 02:53:22,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:22,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140450652] [2024-10-11 02:53:22,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:22,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 02:53:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 02:53:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 02:53:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:53:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:53:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:53:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:53:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:53:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:53:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:53:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:53:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:53:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 02:53:22,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:22,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140450652] [2024-10-11 02:53:22,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140450652] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:22,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315493301] [2024-10-11 02:53:22,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:22,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:22,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:22,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:22,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 02:53:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 02:53:23,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 02:53:23,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:53:23,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315493301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:23,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:53:23,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 02:53:23,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195398837] [2024-10-11 02:53:23,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:23,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:53:23,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:23,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:53:23,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:53:23,123 INFO L87 Difference]: Start difference. First operand 501 states and 785 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:23,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:23,205 INFO L93 Difference]: Finished difference Result 995 states and 1563 transitions. [2024-10-11 02:53:23,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:53:23,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2024-10-11 02:53:23,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:23,209 INFO L225 Difference]: With dead ends: 995 [2024-10-11 02:53:23,209 INFO L226 Difference]: Without dead ends: 503 [2024-10-11 02:53:23,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:53:23,211 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 2 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2499 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:23,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2499 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:53:23,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-10-11 02:53:23,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-10-11 02:53:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 383 states have (on average 1.5900783289817233) internal successors, (609), 389 states have internal predecessors, (609), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-10-11 02:53:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 791 transitions. [2024-10-11 02:53:23,225 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 791 transitions. Word has length 133 [2024-10-11 02:53:23,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:23,225 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 791 transitions. [2024-10-11 02:53:23,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 791 transitions. [2024-10-11 02:53:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 02:53:23,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:23,227 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:23,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 02:53:23,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:23,428 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:23,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:23,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2039393985, now seen corresponding path program 1 times [2024-10-11 02:53:23,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:23,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65516312] [2024-10-11 02:53:23,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:23,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 02:53:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:53:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 02:53:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:53:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:53:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:53:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:53:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:53:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:53:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:53:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:53:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 02:53:23,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:23,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65516312] [2024-10-11 02:53:23,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65516312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:23,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:23,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:53:23,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991591054] [2024-10-11 02:53:23,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:23,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:53:23,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:23,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:53:23,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:53:23,606 INFO L87 Difference]: Start difference. First operand 503 states and 791 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:26,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:26,172 INFO L93 Difference]: Finished difference Result 1182 states and 1896 transitions. [2024-10-11 02:53:26,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:53:26,177 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 134 [2024-10-11 02:53:26,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:26,187 INFO L225 Difference]: With dead ends: 1182 [2024-10-11 02:53:26,190 INFO L226 Difference]: Without dead ends: 698 [2024-10-11 02:53:26,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:53:26,193 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1557 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3190 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 3785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 3190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:26,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 1245 Invalid, 3785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 3190 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 02:53:26,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-10-11 02:53:26,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 503. [2024-10-11 02:53:26,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 383 states have (on average 1.5900783289817233) internal successors, (609), 389 states have internal predecessors, (609), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (93), 86 states have call predecessors, (93), 87 states have call successors, (93) [2024-10-11 02:53:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 790 transitions. [2024-10-11 02:53:26,287 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 790 transitions. Word has length 134 [2024-10-11 02:53:26,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:26,292 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 790 transitions. [2024-10-11 02:53:26,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 02:53:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 790 transitions. [2024-10-11 02:53:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-11 02:53:26,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:26,300 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:26,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:53:26,301 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:26,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:26,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1434426540, now seen corresponding path program 1 times [2024-10-11 02:53:26,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:26,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207108232] [2024-10-11 02:53:26,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 02:53:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:53:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:53:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:53:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:53:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:53:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:53:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:53:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:53:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:53:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:53:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 02:53:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 02:53:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 02:53:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 02:53:26,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:26,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207108232] [2024-10-11 02:53:26,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207108232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:26,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:26,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:53:26,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879066038] [2024-10-11 02:53:26,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:26,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:53:26,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:26,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:53:26,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:53:26,573 INFO L87 Difference]: Start difference. First operand 503 states and 790 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 02:53:28,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:28,765 INFO L93 Difference]: Finished difference Result 1184 states and 1899 transitions. [2024-10-11 02:53:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:53:28,766 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 153 [2024-10-11 02:53:28,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:28,770 INFO L225 Difference]: With dead ends: 1184 [2024-10-11 02:53:28,770 INFO L226 Difference]: Without dead ends: 700 [2024-10-11 02:53:28,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:53:28,772 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1576 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3178 mSolverCounterSat, 626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 3804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 626 IncrementalHoareTripleChecker+Valid, 3178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:28,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 1246 Invalid, 3804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [626 Valid, 3178 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 02:53:28,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-10-11 02:53:28,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2024-10-11 02:53:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 384 states have (on average 1.5885416666666667) internal successors, (610), 391 states have internal predecessors, (610), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (95), 86 states have call predecessors, (95), 87 states have call successors, (95) [2024-10-11 02:53:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 793 transitions. [2024-10-11 02:53:28,801 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 793 transitions. Word has length 153 [2024-10-11 02:53:28,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:28,801 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 793 transitions. [2024-10-11 02:53:28,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 02:53:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 793 transitions. [2024-10-11 02:53:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-11 02:53:28,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:28,803 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:28,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:53:28,803 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:28,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1237831989, now seen corresponding path program 1 times [2024-10-11 02:53:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:28,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052004007] [2024-10-11 02:53:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:53:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:53:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:53:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:53:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:53:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:53:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:53:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:53:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:53:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:53:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 02:53:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 02:53:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 02:53:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:28,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:28,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052004007] [2024-10-11 02:53:28,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052004007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:28,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:28,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:53:28,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933691502] [2024-10-11 02:53:28,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:28,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:53:28,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:28,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:53:28,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:53:28,993 INFO L87 Difference]: Start difference. First operand 505 states and 793 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-11 02:53:31,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:31,874 INFO L93 Difference]: Finished difference Result 1182 states and 1894 transitions. [2024-10-11 02:53:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:53:31,874 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 154 [2024-10-11 02:53:31,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:31,883 INFO L225 Difference]: With dead ends: 1182 [2024-10-11 02:53:31,886 INFO L226 Difference]: Without dead ends: 700 [2024-10-11 02:53:31,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:53:31,892 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1576 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5162 mSolverCounterSat, 632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 5794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 632 IncrementalHoareTripleChecker+Valid, 5162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:31,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 1730 Invalid, 5794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [632 Valid, 5162 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-11 02:53:31,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-10-11 02:53:31,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2024-10-11 02:53:31,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 384 states have (on average 1.5885416666666667) internal successors, (610), 391 states have internal predecessors, (610), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-10-11 02:53:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 792 transitions. [2024-10-11 02:53:31,999 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 792 transitions. Word has length 154 [2024-10-11 02:53:31,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:31,999 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 792 transitions. [2024-10-11 02:53:31,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-11 02:53:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 792 transitions. [2024-10-11 02:53:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 02:53:32,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:32,005 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:32,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:53:32,006 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:32,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:32,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1780997461, now seen corresponding path program 1 times [2024-10-11 02:53:32,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:32,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219489866] [2024-10-11 02:53:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:32,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:53:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:53:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:53:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:53:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:53:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:53:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:53:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:53:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:53:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:32,373 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 02:53:32,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:32,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219489866] [2024-10-11 02:53:32,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219489866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:32,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:32,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:53:32,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699510077] [2024-10-11 02:53:32,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:32,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:53:32,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:32,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:53:32,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:53:32,374 INFO L87 Difference]: Start difference. First operand 505 states and 792 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-11 02:53:35,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:35,268 INFO L93 Difference]: Finished difference Result 1184 states and 1900 transitions. [2024-10-11 02:53:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:53:35,269 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 137 [2024-10-11 02:53:35,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:35,273 INFO L225 Difference]: With dead ends: 1184 [2024-10-11 02:53:35,273 INFO L226 Difference]: Without dead ends: 702 [2024-10-11 02:53:35,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:53:35,275 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1522 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5502 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 6068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 5502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:35,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 1731 Invalid, 6068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 5502 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-11 02:53:35,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-11 02:53:35,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 507. [2024-10-11 02:53:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 385 states have (on average 1.587012987012987) internal successors, (611), 393 states have internal predecessors, (611), 88 states have call successors, (88), 29 states have call predecessors, (88), 33 states have return successors, (99), 86 states have call predecessors, (99), 87 states have call successors, (99) [2024-10-11 02:53:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 798 transitions. [2024-10-11 02:53:35,320 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 798 transitions. Word has length 137 [2024-10-11 02:53:35,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:35,321 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 798 transitions. [2024-10-11 02:53:35,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-11 02:53:35,321 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 798 transitions. [2024-10-11 02:53:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-11 02:53:35,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:35,323 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:35,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 02:53:35,324 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:35,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1400310214, now seen corresponding path program 1 times [2024-10-11 02:53:35,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:35,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813421113] [2024-10-11 02:53:35,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:35,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:53:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:53:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:53:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:53:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:53:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:53:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:53:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:53:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:53:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:53:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 02:53:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 02:53:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-11 02:53:35,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:35,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813421113] [2024-10-11 02:53:35,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813421113] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:53:35,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44057305] [2024-10-11 02:53:35,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:35,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:53:35,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:53:35,564 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:53:35,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 02:53:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:35,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:53:35,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:53:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:35,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:53:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:35,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44057305] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:53:35,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:53:35,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-11 02:53:35,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086828829] [2024-10-11 02:53:35,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:53:35,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 02:53:35,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:35,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 02:53:35,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:53:35,974 INFO L87 Difference]: Start difference. First operand 507 states and 798 transitions. Second operand has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-10-11 02:53:39,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:39,600 INFO L93 Difference]: Finished difference Result 1623 states and 2711 transitions. [2024-10-11 02:53:39,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 02:53:39,601 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 156 [2024-10-11 02:53:39,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:39,606 INFO L225 Difference]: With dead ends: 1623 [2024-10-11 02:53:39,606 INFO L226 Difference]: Without dead ends: 1142 [2024-10-11 02:53:39,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-11 02:53:39,608 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 2827 mSDsluCounter, 2021 mSDsCounter, 0 mSdLazyCounter, 7204 mSolverCounterSat, 1070 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2849 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 8274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1070 IncrementalHoareTripleChecker+Valid, 7204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:39,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2849 Valid, 2208 Invalid, 8274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1070 Valid, 7204 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-11 02:53:39,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2024-10-11 02:53:39,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 932. [2024-10-11 02:53:39,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 731 states have (on average 1.640218878248974) internal successors, (1199), 739 states have internal predecessors, (1199), 167 states have call successors, (167), 29 states have call predecessors, (167), 33 states have return successors, (188), 165 states have call predecessors, (188), 166 states have call successors, (188) [2024-10-11 02:53:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1554 transitions. [2024-10-11 02:53:39,650 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1554 transitions. Word has length 156 [2024-10-11 02:53:39,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:39,651 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1554 transitions. [2024-10-11 02:53:39,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.857142857142858) internal successors, (152), 11 states have internal predecessors, (152), 4 states have call successors, (47), 6 states have call predecessors, (47), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-10-11 02:53:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1554 transitions. [2024-10-11 02:53:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-11 02:53:39,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:39,655 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:39,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 02:53:39,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 02:53:39,856 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:39,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:39,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1703905775, now seen corresponding path program 1 times [2024-10-11 02:53:39,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:39,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73319880] [2024-10-11 02:53:39,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:39,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:53:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:53:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:53:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:53:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:53:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:53:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:53:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:53:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 02:53:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 02:53:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 02:53:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 02:53:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:39,961 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:39,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:39,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73319880] [2024-10-11 02:53:39,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73319880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:39,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:39,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:39,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134815160] [2024-10-11 02:53:39,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:39,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:39,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:39,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:39,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:39,963 INFO L87 Difference]: Start difference. First operand 932 states and 1554 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:41,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:41,537 INFO L93 Difference]: Finished difference Result 2398 states and 4100 transitions. [2024-10-11 02:53:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:41,537 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-10-11 02:53:41,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:41,544 INFO L225 Difference]: With dead ends: 2398 [2024-10-11 02:53:41,544 INFO L226 Difference]: Without dead ends: 1534 [2024-10-11 02:53:41,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:41,547 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1793 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1714 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 1714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:41,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 922 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 1714 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:53:41,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2024-10-11 02:53:41,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1334. [2024-10-11 02:53:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1054 states have (on average 1.6565464895635673) internal successors, (1746), 1062 states have internal predecessors, (1746), 246 states have call successors, (246), 29 states have call predecessors, (246), 33 states have return successors, (277), 244 states have call predecessors, (277), 245 states have call successors, (277) [2024-10-11 02:53:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 2269 transitions. [2024-10-11 02:53:41,607 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 2269 transitions. Word has length 160 [2024-10-11 02:53:41,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:41,607 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 2269 transitions. [2024-10-11 02:53:41,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2269 transitions. [2024-10-11 02:53:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 02:53:41,613 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:41,614 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:41,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 02:53:41,614 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:41,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:41,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1511546111, now seen corresponding path program 1 times [2024-10-11 02:53:41,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:41,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616517107] [2024-10-11 02:53:41,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:41,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:53:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:53:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:53:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:53:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:53:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:53:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:53:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 02:53:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:41,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:41,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616517107] [2024-10-11 02:53:41,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616517107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:41,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:41,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:41,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707238422] [2024-10-11 02:53:41,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:41,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:41,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:41,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:41,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:41,750 INFO L87 Difference]: Start difference. First operand 1334 states and 2269 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:43,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:43,381 INFO L93 Difference]: Finished difference Result 3401 states and 5877 transitions. [2024-10-11 02:53:43,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:43,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-10-11 02:53:43,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:43,394 INFO L225 Difference]: With dead ends: 3401 [2024-10-11 02:53:43,394 INFO L226 Difference]: Without dead ends: 2185 [2024-10-11 02:53:43,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:43,399 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1726 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:43,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 922 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:53:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2024-10-11 02:53:43,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 1985. [2024-10-11 02:53:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1586 states have (on average 1.665825977301387) internal successors, (2642), 1594 states have internal predecessors, (2642), 365 states have call successors, (365), 29 states have call predecessors, (365), 33 states have return successors, (396), 363 states have call predecessors, (396), 364 states have call successors, (396) [2024-10-11 02:53:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 3403 transitions. [2024-10-11 02:53:43,475 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 3403 transitions. Word has length 143 [2024-10-11 02:53:43,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:43,476 INFO L471 AbstractCegarLoop]: Abstraction has 1985 states and 3403 transitions. [2024-10-11 02:53:43,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:43,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 3403 transitions. [2024-10-11 02:53:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-11 02:53:43,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:43,484 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:43,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 02:53:43,484 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:43,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash 949279476, now seen corresponding path program 1 times [2024-10-11 02:53:43,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:43,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431683009] [2024-10-11 02:53:43,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:43,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:53:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:53:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:53:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:53:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:53:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:53:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:53:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:53:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:53:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:53:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:43,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:43,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431683009] [2024-10-11 02:53:43,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431683009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:43,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:43,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:43,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215342524] [2024-10-11 02:53:43,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:43,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:43,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:43,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:43,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:43,598 INFO L87 Difference]: Start difference. First operand 1985 states and 3403 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:45,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:45,255 INFO L93 Difference]: Finished difference Result 4925 states and 8595 transitions. [2024-10-11 02:53:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:45,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2024-10-11 02:53:45,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:45,282 INFO L225 Difference]: With dead ends: 4925 [2024-10-11 02:53:45,289 INFO L226 Difference]: Without dead ends: 3186 [2024-10-11 02:53:45,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:45,300 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1662 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 659 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:45,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 911 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [659 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:53:45,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2024-10-11 02:53:45,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2986. [2024-10-11 02:53:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2425 states have (on average 1.6734020618556702) internal successors, (4058), 2433 states have internal predecessors, (4058), 527 states have call successors, (527), 29 states have call predecessors, (527), 33 states have return successors, (574), 525 states have call predecessors, (574), 526 states have call successors, (574) [2024-10-11 02:53:45,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 5159 transitions. [2024-10-11 02:53:45,418 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 5159 transitions. Word has length 144 [2024-10-11 02:53:45,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:45,418 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 5159 transitions. [2024-10-11 02:53:45,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 5159 transitions. [2024-10-11 02:53:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 02:53:45,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:45,430 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:45,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 02:53:45,431 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:45,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:45,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1629891806, now seen corresponding path program 1 times [2024-10-11 02:53:45,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:45,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579354315] [2024-10-11 02:53:45,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:45,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:53:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:53:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:53:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:53:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:53:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:53:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:53:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:53:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:53:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 02:53:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:45,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:45,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579354315] [2024-10-11 02:53:45,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579354315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:45,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:45,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:45,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999457953] [2024-10-11 02:53:45,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:45,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:45,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:45,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:45,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:45,562 INFO L87 Difference]: Start difference. First operand 2986 states and 5159 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:47,194 INFO L93 Difference]: Finished difference Result 7337 states and 12908 transitions. [2024-10-11 02:53:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:47,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2024-10-11 02:53:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:47,218 INFO L225 Difference]: With dead ends: 7337 [2024-10-11 02:53:47,218 INFO L226 Difference]: Without dead ends: 4806 [2024-10-11 02:53:47,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:47,228 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1726 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 661 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 661 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:47,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 913 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [661 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:53:47,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2024-10-11 02:53:47,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4606. [2024-10-11 02:53:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4606 states, 3800 states have (on average 1.6789473684210525) internal successors, (6380), 3808 states have internal predecessors, (6380), 772 states have call successors, (772), 29 states have call predecessors, (772), 33 states have return successors, (845), 770 states have call predecessors, (845), 771 states have call successors, (845) [2024-10-11 02:53:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4606 states to 4606 states and 7997 transitions. [2024-10-11 02:53:47,440 INFO L78 Accepts]: Start accepts. Automaton has 4606 states and 7997 transitions. Word has length 145 [2024-10-11 02:53:47,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:47,441 INFO L471 AbstractCegarLoop]: Abstraction has 4606 states and 7997 transitions. [2024-10-11 02:53:47,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4606 states and 7997 transitions. [2024-10-11 02:53:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-11 02:53:47,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:47,464 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:47,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 02:53:47,464 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:47,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:47,465 INFO L85 PathProgramCache]: Analyzing trace with hash -2119403368, now seen corresponding path program 1 times [2024-10-11 02:53:47,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:47,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564282402] [2024-10-11 02:53:47,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:53:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:53:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:53:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:53:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:53:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:53:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:53:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:53:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:53:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 02:53:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:47,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:47,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564282402] [2024-10-11 02:53:47,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564282402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:47,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:47,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:47,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565645038] [2024-10-11 02:53:47,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:47,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:47,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:47,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:47,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:47,581 INFO L87 Difference]: Start difference. First operand 4606 states and 7997 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:49,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:49,453 INFO L93 Difference]: Finished difference Result 11414 states and 20161 transitions. [2024-10-11 02:53:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:49,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-10-11 02:53:49,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:49,493 INFO L225 Difference]: With dead ends: 11414 [2024-10-11 02:53:49,494 INFO L226 Difference]: Without dead ends: 7566 [2024-10-11 02:53:49,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:49,506 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1686 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:49,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 928 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 02:53:49,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2024-10-11 02:53:49,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7366. [2024-10-11 02:53:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7366 states, 6067 states have (on average 1.673973957474864) internal successors, (10156), 6075 states have internal predecessors, (10156), 1265 states have call successors, (1265), 29 states have call predecessors, (1265), 33 states have return successors, (1382), 1263 states have call predecessors, (1382), 1264 states have call successors, (1382) [2024-10-11 02:53:49,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7366 states to 7366 states and 12803 transitions. [2024-10-11 02:53:49,868 INFO L78 Accepts]: Start accepts. Automaton has 7366 states and 12803 transitions. Word has length 146 [2024-10-11 02:53:49,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:49,870 INFO L471 AbstractCegarLoop]: Abstraction has 7366 states and 12803 transitions. [2024-10-11 02:53:49,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:49,871 INFO L276 IsEmpty]: Start isEmpty. Operand 7366 states and 12803 transitions. [2024-10-11 02:53:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-11 02:53:49,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:49,893 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:49,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 02:53:49,894 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:49,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:49,894 INFO L85 PathProgramCache]: Analyzing trace with hash 694331194, now seen corresponding path program 1 times [2024-10-11 02:53:49,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:49,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134473557] [2024-10-11 02:53:49,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:49,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:53:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:53:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:53:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:53:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:53:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:53:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:53:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:53:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 02:53:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 02:53:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:49,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:49,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134473557] [2024-10-11 02:53:49,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134473557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:49,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:49,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:49,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178105156] [2024-10-11 02:53:49,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:49,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:49,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:49,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:49,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:49,997 INFO L87 Difference]: Start difference. First operand 7366 states and 12803 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:51,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:51,911 INFO L93 Difference]: Finished difference Result 18773 states and 33181 transitions. [2024-10-11 02:53:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:51,911 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2024-10-11 02:53:51,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:51,957 INFO L225 Difference]: With dead ends: 18773 [2024-10-11 02:53:51,958 INFO L226 Difference]: Without dead ends: 12551 [2024-10-11 02:53:51,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:51,973 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1670 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:51,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 920 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 02:53:51,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2024-10-11 02:53:52,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12351. [2024-10-11 02:53:52,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12351 states, 10230 states have (on average 1.6744868035190617) internal successors, (17130), 10238 states have internal predecessors, (17130), 2087 states have call successors, (2087), 29 states have call predecessors, (2087), 33 states have return successors, (2282), 2085 states have call predecessors, (2282), 2086 states have call successors, (2282) [2024-10-11 02:53:52,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12351 states to 12351 states and 21499 transitions. [2024-10-11 02:53:52,446 INFO L78 Accepts]: Start accepts. Automaton has 12351 states and 21499 transitions. Word has length 147 [2024-10-11 02:53:52,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:52,446 INFO L471 AbstractCegarLoop]: Abstraction has 12351 states and 21499 transitions. [2024-10-11 02:53:52,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 12351 states and 21499 transitions. [2024-10-11 02:53:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-11 02:53:52,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:52,474 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:52,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 02:53:52,475 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:52,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:52,475 INFO L85 PathProgramCache]: Analyzing trace with hash 809414777, now seen corresponding path program 1 times [2024-10-11 02:53:52,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:52,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788784237] [2024-10-11 02:53:52,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:52,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:53:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:53:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:53:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:53:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:53:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:53:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:53:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:53:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 02:53:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 02:53:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 02:53:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 02:53:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:53:52,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:52,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788784237] [2024-10-11 02:53:52,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788784237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:52,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:52,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:52,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447545666] [2024-10-11 02:53:52,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:52,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:52,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:52,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:52,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:52,710 INFO L87 Difference]: Start difference. First operand 12351 states and 21499 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:54,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:54,906 INFO L93 Difference]: Finished difference Result 29739 states and 52364 transitions. [2024-10-11 02:53:54,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:54,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 166 [2024-10-11 02:53:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:54,967 INFO L225 Difference]: With dead ends: 29739 [2024-10-11 02:53:54,967 INFO L226 Difference]: Without dead ends: 19511 [2024-10-11 02:53:54,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:54,992 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1744 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 2441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:54,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 884 Invalid, 2441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 1730 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 02:53:55,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19511 states. [2024-10-11 02:53:55,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19511 to 19311. [2024-10-11 02:53:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19311 states, 15987 states have (on average 1.6527803840620505) internal successors, (26423), 15995 states have internal predecessors, (26423), 3290 states have call successors, (3290), 29 states have call predecessors, (3290), 33 states have return successors, (3629), 3288 states have call predecessors, (3629), 3289 states have call successors, (3629) [2024-10-11 02:53:55,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19311 states to 19311 states and 33342 transitions. [2024-10-11 02:53:55,633 INFO L78 Accepts]: Start accepts. Automaton has 19311 states and 33342 transitions. Word has length 166 [2024-10-11 02:53:55,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:53:55,633 INFO L471 AbstractCegarLoop]: Abstraction has 19311 states and 33342 transitions. [2024-10-11 02:53:55,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 02:53:55,634 INFO L276 IsEmpty]: Start isEmpty. Operand 19311 states and 33342 transitions. [2024-10-11 02:53:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 02:53:55,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:53:55,673 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:53:55,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 02:53:55,674 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:53:55,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:53:55,674 INFO L85 PathProgramCache]: Analyzing trace with hash -813014535, now seen corresponding path program 1 times [2024-10-11 02:53:55,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:53:55,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302927211] [2024-10-11 02:53:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:53:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:53:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:53:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:53:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:53:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:53:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:53:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:53:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:53:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:53:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:53:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:53:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:53:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:53:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:53:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:53:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 02:53:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 02:53:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:53:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:53:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:53:55,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:53:55,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302927211] [2024-10-11 02:53:55,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302927211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:53:55,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:53:55,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:53:55,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844536681] [2024-10-11 02:53:55,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:53:55,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:53:55,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:53:55,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:53:55,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:53:55,873 INFO L87 Difference]: Start difference. First operand 19311 states and 33342 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:53:58,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:53:58,075 INFO L93 Difference]: Finished difference Result 51180 states and 89897 transitions. [2024-10-11 02:53:58,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:53:58,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-10-11 02:53:58,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:53:58,338 INFO L225 Difference]: With dead ends: 51180 [2024-10-11 02:53:58,342 INFO L226 Difference]: Without dead ends: 34640 [2024-10-11 02:53:58,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:53:58,433 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1754 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:53:58,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 909 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [706 Valid, 1757 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:53:58,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34640 states. [2024-10-11 02:53:59,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34640 to 34440. [2024-10-11 02:53:59,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34440 states, 28666 states have (on average 1.6503174492430057) internal successors, (47308), 28674 states have internal predecessors, (47308), 5740 states have call successors, (5740), 29 states have call predecessors, (5740), 33 states have return successors, (6353), 5738 states have call predecessors, (6353), 5739 states have call successors, (6353) [2024-10-11 02:54:00,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34440 states to 34440 states and 59401 transitions. [2024-10-11 02:54:00,083 INFO L78 Accepts]: Start accepts. Automaton has 34440 states and 59401 transitions. Word has length 149 [2024-10-11 02:54:00,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:00,085 INFO L471 AbstractCegarLoop]: Abstraction has 34440 states and 59401 transitions. [2024-10-11 02:54:00,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:54:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 34440 states and 59401 transitions. [2024-10-11 02:54:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 02:54:00,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:00,130 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:00,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 02:54:00,131 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:00,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:00,131 INFO L85 PathProgramCache]: Analyzing trace with hash -415493296, now seen corresponding path program 1 times [2024-10-11 02:54:00,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:00,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070989345] [2024-10-11 02:54:00,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:00,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:54:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:54:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:54:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:54:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:54:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:54:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:54:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:54:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 02:54:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 02:54:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:54:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:54:00,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:00,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070989345] [2024-10-11 02:54:00,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070989345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:00,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:00,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:00,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534889001] [2024-10-11 02:54:00,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:00,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:00,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:00,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:00,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:00,229 INFO L87 Difference]: Start difference. First operand 34440 states and 59401 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:54:03,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:03,768 INFO L93 Difference]: Finished difference Result 94062 states and 164491 transitions. [2024-10-11 02:54:03,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:03,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-10-11 02:54:03,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:04,215 INFO L225 Difference]: With dead ends: 94062 [2024-10-11 02:54:04,215 INFO L226 Difference]: Without dead ends: 63316 [2024-10-11 02:54:04,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:04,281 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1744 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 717 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 717 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:04,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 932 Invalid, 2503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [717 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 02:54:04,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63316 states. [2024-10-11 02:54:06,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63316 to 63116. [2024-10-11 02:54:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63116 states, 52829 states have (on average 1.6468227677979896) internal successors, (87000), 52837 states have internal predecessors, (87000), 10253 states have call successors, (10253), 29 states have call predecessors, (10253), 33 states have return successors, (11398), 10251 states have call predecessors, (11398), 10252 states have call successors, (11398) [2024-10-11 02:54:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63116 states to 63116 states and 108651 transitions. [2024-10-11 02:54:06,641 INFO L78 Accepts]: Start accepts. Automaton has 63116 states and 108651 transitions. Word has length 150 [2024-10-11 02:54:06,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:06,641 INFO L471 AbstractCegarLoop]: Abstraction has 63116 states and 108651 transitions. [2024-10-11 02:54:06,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:54:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 63116 states and 108651 transitions. [2024-10-11 02:54:06,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-11 02:54:06,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:06,696 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:06,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 02:54:06,696 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:06,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:06,696 INFO L85 PathProgramCache]: Analyzing trace with hash -769842567, now seen corresponding path program 1 times [2024-10-11 02:54:06,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:06,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111238050] [2024-10-11 02:54:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:06,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:54:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:54:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:54:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:54:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:54:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:54:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:54:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:54:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 02:54:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 02:54:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:54:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-11 02:54:07,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:07,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111238050] [2024-10-11 02:54:07,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111238050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:07,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:07,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:07,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645689042] [2024-10-11 02:54:07,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:07,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:07,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:07,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:07,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:07,119 INFO L87 Difference]: Start difference. First operand 63116 states and 108651 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:54:10,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:10,898 INFO L93 Difference]: Finished difference Result 118442 states and 207643 transitions. [2024-10-11 02:54:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:10,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-10-11 02:54:10,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:11,442 INFO L225 Difference]: With dead ends: 118442 [2024-10-11 02:54:11,442 INFO L226 Difference]: Without dead ends: 118202 [2024-10-11 02:54:11,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:11,489 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1696 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 694 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 2509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 694 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:11,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 923 Invalid, 2509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [694 Valid, 1815 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:54:11,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118202 states. [2024-10-11 02:54:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118202 to 118002. [2024-10-11 02:54:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118002 states, 99347 states have (on average 1.6422237208974604) internal successors, (163150), 99355 states have internal predecessors, (163150), 18621 states have call successors, (18621), 29 states have call predecessors, (18621), 33 states have return successors, (20812), 18619 states have call predecessors, (20812), 18620 states have call successors, (20812) [2024-10-11 02:54:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118002 states to 118002 states and 202583 transitions. [2024-10-11 02:54:16,040 INFO L78 Accepts]: Start accepts. Automaton has 118002 states and 202583 transitions. Word has length 151 [2024-10-11 02:54:16,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:16,040 INFO L471 AbstractCegarLoop]: Abstraction has 118002 states and 202583 transitions. [2024-10-11 02:54:16,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 02:54:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 118002 states and 202583 transitions. [2024-10-11 02:54:16,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-11 02:54:16,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:16,160 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:16,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 02:54:16,160 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:16,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:16,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1612798976, now seen corresponding path program 1 times [2024-10-11 02:54:16,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:16,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378479265] [2024-10-11 02:54:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:16,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:54:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:54:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:54:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:54:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:54:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:54:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:54:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:54:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 02:54:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 02:54:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 02:54:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 02:54:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 02:54:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:54:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-11 02:54:16,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:16,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378479265] [2024-10-11 02:54:16,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378479265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:16,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:16,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 02:54:16,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242985226] [2024-10-11 02:54:16,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:16,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 02:54:16,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:16,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 02:54:16,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:16,329 INFO L87 Difference]: Start difference. First operand 118002 states and 202583 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 7 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 02:54:24,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:24,428 INFO L93 Difference]: Finished difference Result 227324 states and 398078 transitions. [2024-10-11 02:54:24,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 02:54:24,429 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 7 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 170 [2024-10-11 02:54:24,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:25,576 INFO L225 Difference]: With dead ends: 227324 [2024-10-11 02:54:25,577 INFO L226 Difference]: Without dead ends: 227091 [2024-10-11 02:54:25,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-10-11 02:54:25,666 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 3485 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 4261 mSolverCounterSat, 1231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3503 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 5492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1231 IncrementalHoareTripleChecker+Valid, 4261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:25,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3503 Valid, 1610 Invalid, 5492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1231 Valid, 4261 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-11 02:54:25,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227091 states. [2024-10-11 02:54:33,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227091 to 226695. [2024-10-11 02:54:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226695 states, 190888 states have (on average 1.6453365324169147) internal successors, (314075), 190844 states have internal predecessors, (314075), 35744 states have call successors, (35744), 57 states have call predecessors, (35744), 62 states have return successors, (39027), 35797 states have call predecessors, (39027), 35742 states have call successors, (39027) [2024-10-11 02:54:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226695 states to 226695 states and 388846 transitions. [2024-10-11 02:54:34,760 INFO L78 Accepts]: Start accepts. Automaton has 226695 states and 388846 transitions. Word has length 170 [2024-10-11 02:54:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:34,760 INFO L471 AbstractCegarLoop]: Abstraction has 226695 states and 388846 transitions. [2024-10-11 02:54:34,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 7 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 02:54:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 226695 states and 388846 transitions. [2024-10-11 02:54:34,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 02:54:34,863 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:34,863 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:34,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 02:54:34,863 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:34,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1026605039, now seen corresponding path program 1 times [2024-10-11 02:54:34,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:34,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559710409] [2024-10-11 02:54:34,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:54:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:54:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:54:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:54:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:54:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:54:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:54:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:54:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 02:54:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 02:54:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:54:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:54:35,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:35,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559710409] [2024-10-11 02:54:35,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559710409] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:35,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75447945] [2024-10-11 02:54:35,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:35,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:35,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:35,848 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:35,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 02:54:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 02:54:36,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:36,329 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 02:54:36,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:54:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:54:36,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75447945] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:54:36,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:54:36,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-10-11 02:54:36,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262166657] [2024-10-11 02:54:36,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:54:36,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-11 02:54:36,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:36,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-11 02:54:36,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2024-10-11 02:54:36,658 INFO L87 Difference]: Start difference. First operand 226695 states and 388846 transitions. Second operand has 32 states, 30 states have (on average 8.1) internal successors, (243), 24 states have internal predecessors, (243), 9 states have call successors, (53), 12 states have call predecessors, (53), 12 states have return successors, (45), 11 states have call predecessors, (45), 9 states have call successors, (45)