./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:07:34,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:07:34,959 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:07:34,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:07:34,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:07:34,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:07:34,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:07:34,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:07:34,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:07:34,994 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:07:34,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:07:34,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:07:34,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:07:34,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:07:34,997 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:07:34,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:07:34,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:07:34,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:07:34,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:07:34,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:07:34,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:07:35,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:07:35,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:07:35,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:07:35,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:07:35,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:07:35,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:07:35,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:07:35,001 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:07:35,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:07:35,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:07:35,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:07:35,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:07:35,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:07:35,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:07:35,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:07:35,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:07:35,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:07:35,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:07:35,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:07:35,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:07:35,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:07:35,005 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5711b4c0ea669ac051f0ad97dbc3a1a473a1622b7d95c937325001ba5ca1073b [2024-11-09 23:07:35,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:07:35,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:07:35,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:07:35,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:07:35,227 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:07:35,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product32.cil.c [2024-11-09 23:07:36,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:07:36,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:07:36,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c [2024-11-09 23:07:36,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8686f461/b2c736ff70af4f87b8b2914770d845d3/FLAG6c7f3e4b1 [2024-11-09 23:07:36,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8686f461/b2c736ff70af4f87b8b2914770d845d3 [2024-11-09 23:07:36,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:07:36,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:07:36,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:07:36,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:07:36,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:07:36,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:07:36" (1/1) ... [2024-11-09 23:07:36,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5975bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:36, skipping insertion in model container [2024-11-09 23:07:36,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:07:36" (1/1) ... [2024-11-09 23:07:36,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:07:37,264 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c[32699,32712] [2024-11-09 23:07:37,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:07:37,398 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:07:37,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-09 23:07:37,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [97] [2024-11-09 23:07:37,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1177] [2024-11-09 23:07:37,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1484] [2024-11-09 23:07:37,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1493] [2024-11-09 23:07:37,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] [2024-11-09 23:07:37,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2046] [2024-11-09 23:07:37,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2073] [2024-11-09 23:07:37,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2090] [2024-11-09 23:07:37,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2456] [2024-11-09 23:07:37,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2675] [2024-11-09 23:07:37,434 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product32.cil.c[32699,32712] [2024-11-09 23:07:37,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:07:37,512 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:07:37,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37 WrapperNode [2024-11-09 23:07:37,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:07:37,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:07:37,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:07:37,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:07:37,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,584 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 984 [2024-11-09 23:07:37,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:07:37,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:07:37,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:07:37,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:07:37,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,632 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-09 23:07:37,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,646 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:07:37,675 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:07:37,675 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:07:37,675 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:07:37,676 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (1/1) ... [2024-11-09 23:07:37,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:07:37,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:07:37,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:07:37,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:07:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 23:07:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 23:07:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 23:07:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 23:07:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 23:07:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 23:07:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 23:07:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 23:07:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 23:07:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 23:07:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 23:07:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 23:07:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:07:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:07:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 23:07:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 23:07:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 23:07:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 23:07:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 23:07:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 23:07:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 23:07:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 23:07:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 23:07:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 23:07:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 23:07:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 23:07:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 23:07:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 23:07:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 23:07:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 23:07:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:07:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 23:07:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 23:07:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 23:07:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 23:07:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 23:07:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 23:07:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 23:07:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 23:07:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 23:07:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 23:07:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 23:07:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 23:07:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 23:07:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 23:07:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 23:07:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 23:07:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 23:07:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 23:07:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 23:07:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 23:07:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 23:07:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 23:07:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:07:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:07:37,943 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:07:37,946 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:07:38,057 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2979: #res := ~retValue_acc~41; [2024-11-09 23:07:38,071 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: #res := ~retValue_acc~28; [2024-11-09 23:07:38,112 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L766-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~12#1; [2024-11-09 23:07:38,112 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L811: #res#1 := ~retValue_acc~13#1; [2024-11-09 23:07:38,148 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1035: #res := ~retValue_acc~16; [2024-11-09 23:07:38,164 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L719: #res := ~retValue_acc~11; [2024-11-09 23:07:38,180 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1638-1: createEmail_#res#1 := createEmail_~retValue_acc~23#1; [2024-11-09 23:07:38,187 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: #res := ~retValue_acc~5; [2024-11-09 23:07:38,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2905: #res := ~retValue_acc~39; [2024-11-09 23:07:38,251 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2942: #res := ~retValue_acc~40; [2024-11-09 23:07:38,257 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3016: #res := ~retValue_acc~42; [2024-11-09 23:07:38,278 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2790: #res := ~retValue_acc~36; [2024-11-09 23:07:38,331 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L589: #res := ~retValue_acc~9; [2024-11-09 23:07:38,453 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L672-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~10#1; [2024-11-09 23:07:38,453 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1154-1: getClientId_#res#1 := getClientId_~retValue_acc~18#1; [2024-11-09 23:07:38,696 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~15#1; [2024-11-09 23:07:38,697 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1908-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~26#1; [2024-11-09 23:07:38,697 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L94-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-09 23:07:38,697 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~14#1; [2024-11-09 23:07:38,697 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1899-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~25#1; [2024-11-09 23:07:38,697 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1917-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~27#1; [2024-11-09 23:07:38,703 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2753: #res := ~retValue_acc~35; [2024-11-09 23:07:38,710 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1614: #res#1 := ~retValue_acc~21#1; [2024-11-09 23:07:38,711 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1594-1: isReadable__wrappee__Keys_#res#1 := isReadable__wrappee__Keys_~retValue_acc~20#1; [2024-11-09 23:07:38,840 INFO L? ?]: Removed 540 outVars from TransFormulas that were not future-live. [2024-11-09 23:07:38,841 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:07:38,861 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:07:38,862 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:07:38,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:07:38 BoogieIcfgContainer [2024-11-09 23:07:38,862 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:07:38,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:07:38,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:07:38,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:07:38,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:07:36" (1/3) ... [2024-11-09 23:07:38,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2c6a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:07:38, skipping insertion in model container [2024-11-09 23:07:38,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:37" (2/3) ... [2024-11-09 23:07:38,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2c6a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:07:38, skipping insertion in model container [2024-11-09 23:07:38,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:07:38" (3/3) ... [2024-11-09 23:07:38,869 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product32.cil.c [2024-11-09 23:07:38,881 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:07:38,882 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:07:38,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:07:38,960 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;@17d2ba30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:07:38,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:07:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 437 states, 342 states have (on average 1.5350877192982457) internal successors, (525), 347 states have internal predecessors, (525), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 23:07:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 23:07:38,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:38,988 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:07:38,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:38,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:38,995 INFO L85 PathProgramCache]: Analyzing trace with hash -157069385, now seen corresponding path program 1 times [2024-11-09 23:07:39,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:39,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067577376] [2024-11-09 23:07:39,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:39,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:07:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:07:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:07:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 23:07:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 23:07:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:07:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 23:07:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:07:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:07:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:07:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:07:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:07:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:39,738 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 23:07:39,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:39,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067577376] [2024-11-09 23:07:39,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067577376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:07:39,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48845671] [2024-11-09 23:07:39,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:39,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:39,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:07:39,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:07:39,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:07:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 23:07:40,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:07:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 23:07:40,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:07:40,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48845671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:40,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:07:40,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-09 23:07:40,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783320039] [2024-11-09 23:07:40,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:40,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:07:40,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:40,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:07:40,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:07:40,119 INFO L87 Difference]: Start difference. First operand has 437 states, 342 states have (on average 1.5350877192982457) internal successors, (525), 347 states have internal predecessors, (525), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:07:40,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:40,181 INFO L93 Difference]: Finished difference Result 670 states and 989 transitions. [2024-11-09 23:07:40,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:07:40,183 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 117 [2024-11-09 23:07:40,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:40,197 INFO L225 Difference]: With dead ends: 670 [2024-11-09 23:07:40,197 INFO L226 Difference]: Without dead ends: 429 [2024-11-09 23:07:40,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:07:40,206 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:40,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:07:40,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-09 23:07:40,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-09 23:07:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 335 states have (on average 1.5313432835820895) internal successors, (513), 339 states have internal predecessors, (513), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 23:07:40,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 642 transitions. [2024-11-09 23:07:40,290 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 642 transitions. Word has length 117 [2024-11-09 23:07:40,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:40,292 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 642 transitions. [2024-11-09 23:07:40,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:07:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 642 transitions. [2024-11-09 23:07:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 23:07:40,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:40,301 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:07:40,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:07:40,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 23:07:40,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:40,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:40,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1070433853, now seen corresponding path program 1 times [2024-11-09 23:07:40,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:40,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335476319] [2024-11-09 23:07:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:40,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:07:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:07:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:07:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 23:07:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 23:07:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:07:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 23:07:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:07:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:07:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:07:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:07:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:07:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 23:07:40,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:40,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335476319] [2024-11-09 23:07:40,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335476319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:07:40,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743403322] [2024-11-09 23:07:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:40,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:40,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:07:40,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:07:40,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:07:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 23:07:41,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:07:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 23:07:41,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:07:41,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743403322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:41,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:07:41,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:07:41,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498449293] [2024-11-09 23:07:41,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:41,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:07:41,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:41,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:07:41,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:07:41,127 INFO L87 Difference]: Start difference. First operand 429 states and 642 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:07:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:41,174 INFO L93 Difference]: Finished difference Result 659 states and 966 transitions. [2024-11-09 23:07:41,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:07:41,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-11-09 23:07:41,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:41,180 INFO L225 Difference]: With dead ends: 659 [2024-11-09 23:07:41,181 INFO L226 Difference]: Without dead ends: 432 [2024-11-09 23:07:41,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:07:41,183 INFO L432 NwaCegarLoop]: 641 mSDtfsCounter, 0 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:41,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1280 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:07:41,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-09 23:07:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2024-11-09 23:07:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 338 states have (on average 1.5266272189349113) internal successors, (516), 342 states have internal predecessors, (516), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 23:07:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 645 transitions. [2024-11-09 23:07:41,213 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 645 transitions. Word has length 119 [2024-11-09 23:07:41,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:41,214 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 645 transitions. [2024-11-09 23:07:41,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:07:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 645 transitions. [2024-11-09 23:07:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 23:07:41,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:41,216 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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] [2024-11-09 23:07:41,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 23:07:41,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-09 23:07:41,417 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:41,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:41,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1761852488, now seen corresponding path program 1 times [2024-11-09 23:07:41,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:41,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205750577] [2024-11-09 23:07:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:41,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:07:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:07:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:07:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 23:07:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:07:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 23:07:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:07:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:07:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:07:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:07:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:07:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:07:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:07:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:07:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 23:07:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 23:07:41,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:41,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205750577] [2024-11-09 23:07:41,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205750577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:07:41,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304045049] [2024-11-09 23:07:41,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:41,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:41,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:07:41,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:07:41,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:07:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:41,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:07:41,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:07:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 23:07:41,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:07:41,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304045049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:41,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:07:41,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:07:41,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232316015] [2024-11-09 23:07:41,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:41,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:07:41,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:41,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:07:41,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:07:41,956 INFO L87 Difference]: Start difference. First operand 432 states and 645 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:07:41,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:41,994 INFO L93 Difference]: Finished difference Result 921 states and 1391 transitions. [2024-11-09 23:07:41,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:07:41,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2024-11-09 23:07:41,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:42,000 INFO L225 Difference]: With dead ends: 921 [2024-11-09 23:07:42,001 INFO L226 Difference]: Without dead ends: 517 [2024-11-09 23:07:42,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:07:42,004 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 144 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:42,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1247 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:07:42,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-09 23:07:42,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 509. [2024-11-09 23:07:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 401 states have (on average 1.5336658354114714) internal successors, (615), 405 states have internal predecessors, (615), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-09 23:07:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 772 transitions. [2024-11-09 23:07:42,030 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 772 transitions. Word has length 148 [2024-11-09 23:07:42,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:42,030 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 772 transitions. [2024-11-09 23:07:42,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:07:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 772 transitions. [2024-11-09 23:07:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 23:07:42,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:42,033 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:07:42,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 23:07:42,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:42,234 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:42,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:42,235 INFO L85 PathProgramCache]: Analyzing trace with hash 330237255, now seen corresponding path program 1 times [2024-11-09 23:07:42,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:42,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623707707] [2024-11-09 23:07:42,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:42,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:07:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:07:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:07:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 23:07:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:07:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 23:07:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:07:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:07:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:07:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:07:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:07:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:07:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 23:07:42,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:42,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623707707] [2024-11-09 23:07:42,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623707707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:07:42,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368957218] [2024-11-09 23:07:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:42,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:42,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:07:42,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:07:42,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:07:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:42,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 23:07:42,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:07:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 23:07:42,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:07:42,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368957218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:42,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:07:42,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-09 23:07:42,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154502199] [2024-11-09 23:07:42,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:42,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:07:42,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:42,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:07:42,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:07:42,779 INFO L87 Difference]: Start difference. First operand 509 states and 772 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 23:07:42,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:42,837 INFO L93 Difference]: Finished difference Result 1009 states and 1534 transitions. [2024-11-09 23:07:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:07:42,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2024-11-09 23:07:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:42,840 INFO L225 Difference]: With dead ends: 1009 [2024-11-09 23:07:42,841 INFO L226 Difference]: Without dead ends: 511 [2024-11-09 23:07:42,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:07:42,843 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 2 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2525 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:42,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2525 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:07:42,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-09 23:07:42,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-09 23:07:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 402 states have (on average 1.5323383084577114) internal successors, (616), 407 states have internal predecessors, (616), 79 states have call successors, (79), 28 states have call predecessors, (79), 29 states have return successors, (80), 77 states have call predecessors, (80), 78 states have call successors, (80) [2024-11-09 23:07:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 775 transitions. [2024-11-09 23:07:42,860 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 775 transitions. Word has length 130 [2024-11-09 23:07:42,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:42,860 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 775 transitions. [2024-11-09 23:07:42,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 23:07:42,861 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 775 transitions. [2024-11-09 23:07:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 23:07:42,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:42,863 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 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] [2024-11-09 23:07:42,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 23:07:43,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:43,064 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:43,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:43,065 INFO L85 PathProgramCache]: Analyzing trace with hash 125055270, now seen corresponding path program 1 times [2024-11-09 23:07:43,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:43,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966056243] [2024-11-09 23:07:43,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:43,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:07:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 23:07:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:07:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:07:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:07:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 23:07:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:07:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:07:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:07:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:07:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:07:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:07:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:07:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:07:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 23:07:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 23:07:43,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:43,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966056243] [2024-11-09 23:07:43,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966056243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:07:43,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749739818] [2024-11-09 23:07:43,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:43,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:43,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:07:43,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:07:43,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:07:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:43,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:07:43,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:07:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 23:07:43,722 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:07:43,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749739818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:43,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:07:43,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-09 23:07:43,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815323412] [2024-11-09 23:07:43,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:43,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:07:43,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:43,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:07:43,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:07:43,725 INFO L87 Difference]: Start difference. First operand 511 states and 775 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 23:07:43,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:43,789 INFO L93 Difference]: Finished difference Result 1011 states and 1539 transitions. [2024-11-09 23:07:43,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:07:43,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-09 23:07:43,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:43,794 INFO L225 Difference]: With dead ends: 1011 [2024-11-09 23:07:43,794 INFO L226 Difference]: Without dead ends: 513 [2024-11-09 23:07:43,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:07:43,797 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 2 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:43,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2511 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:07:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-09 23:07:43,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2024-11-09 23:07:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 403 states have (on average 1.531017369727047) internal successors, (617), 409 states have internal predecessors, (617), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2024-11-09 23:07:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 781 transitions. [2024-11-09 23:07:43,821 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 781 transitions. Word has length 150 [2024-11-09 23:07:43,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:43,822 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 781 transitions. [2024-11-09 23:07:43,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 23:07:43,822 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 781 transitions. [2024-11-09 23:07:43,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 23:07:43,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:43,825 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:07:43,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 23:07:44,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:44,030 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:44,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:44,030 INFO L85 PathProgramCache]: Analyzing trace with hash -374473382, now seen corresponding path program 1 times [2024-11-09 23:07:44,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:44,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535401451] [2024-11-09 23:07:44,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:44,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:07:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:07:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 23:07:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 23:07:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 23:07:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 23:07:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:07:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:07:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:07:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:07:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:07:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:07:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 23:07:44,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:44,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535401451] [2024-11-09 23:07:44,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535401451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:44,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:07:44,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:07:44,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20697426] [2024-11-09 23:07:44,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:44,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:07:44,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:44,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:07:44,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:07:44,209 INFO L87 Difference]: Start difference. First operand 513 states and 781 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 23:07:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:46,256 INFO L93 Difference]: Finished difference Result 1138 states and 1756 transitions. [2024-11-09 23:07:46,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:07:46,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 132 [2024-11-09 23:07:46,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:46,261 INFO L225 Difference]: With dead ends: 1138 [2024-11-09 23:07:46,261 INFO L226 Difference]: Without dead ends: 648 [2024-11-09 23:07:46,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:07:46,263 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1430 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 3200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:46,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 1417 Invalid, 3200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 2731 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 23:07:46,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-09 23:07:46,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 513. [2024-11-09 23:07:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 403 states have (on average 1.531017369727047) internal successors, (617), 409 states have internal predecessors, (617), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (84), 77 states have call predecessors, (84), 78 states have call successors, (84) [2024-11-09 23:07:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 780 transitions. [2024-11-09 23:07:46,297 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 780 transitions. Word has length 132 [2024-11-09 23:07:46,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:46,298 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 780 transitions. [2024-11-09 23:07:46,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 23:07:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 780 transitions. [2024-11-09 23:07:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 23:07:46,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:46,301 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] [2024-11-09 23:07:46,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:07:46,301 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:46,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:46,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1410232544, now seen corresponding path program 2 times [2024-11-09 23:07:46,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:46,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460354100] [2024-11-09 23:07:46,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:46,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:07:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:07:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 23:07:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:07:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 23:07:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:07:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:07:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:07:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:07:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:07:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:07:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:07:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 23:07:46,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:46,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460354100] [2024-11-09 23:07:46,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460354100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:46,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:07:46,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:07:46,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304094138] [2024-11-09 23:07:46,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:46,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:07:46,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:46,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:07:46,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:07:46,470 INFO L87 Difference]: Start difference. First operand 513 states and 780 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 23:07:48,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:48,457 INFO L93 Difference]: Finished difference Result 1140 states and 1759 transitions. [2024-11-09 23:07:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:07:48,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2024-11-09 23:07:48,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:48,463 INFO L225 Difference]: With dead ends: 1140 [2024-11-09 23:07:48,463 INFO L226 Difference]: Without dead ends: 650 [2024-11-09 23:07:48,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:07:48,466 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1425 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 2741 mSolverCounterSat, 466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 3207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 466 IncrementalHoareTripleChecker+Valid, 2741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:48,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 1417 Invalid, 3207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [466 Valid, 2741 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 23:07:48,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-09 23:07:48,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 515. [2024-11-09 23:07:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 404 states have (on average 1.5297029702970297) internal successors, (618), 411 states have internal predecessors, (618), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (86), 77 states have call predecessors, (86), 78 states have call successors, (86) [2024-11-09 23:07:48,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 783 transitions. [2024-11-09 23:07:48,528 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 783 transitions. Word has length 133 [2024-11-09 23:07:48,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:48,529 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 783 transitions. [2024-11-09 23:07:48,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 23:07:48,529 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 783 transitions. [2024-11-09 23:07:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 23:07:48,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:48,533 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1] [2024-11-09 23:07:48,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:07:48,533 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:48,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:48,534 INFO L85 PathProgramCache]: Analyzing trace with hash -303949218, now seen corresponding path program 1 times [2024-11-09 23:07:48,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:48,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449654098] [2024-11-09 23:07:48,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:48,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:07:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:07:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:07:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:07:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 23:07:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:07:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:07:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:07:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:07:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:07:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:07:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:07:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 23:07:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 23:07:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 23:07:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 23:07:48,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:48,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449654098] [2024-11-09 23:07:48,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449654098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:48,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:07:48,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:07:48,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179945128] [2024-11-09 23:07:48,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:48,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:07:48,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:48,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:07:48,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:07:48,828 INFO L87 Difference]: Start difference. First operand 515 states and 783 transitions. Second operand has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-09 23:07:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:51,407 INFO L93 Difference]: Finished difference Result 1138 states and 1754 transitions. [2024-11-09 23:07:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:07:51,408 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 153 [2024-11-09 23:07:51,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:51,412 INFO L225 Difference]: With dead ends: 1138 [2024-11-09 23:07:51,412 INFO L226 Difference]: Without dead ends: 650 [2024-11-09 23:07:51,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:07:51,414 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1425 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 5167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 4722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:51,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 1965 Invalid, 5167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 4722 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 23:07:51,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-09 23:07:51,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 515. [2024-11-09 23:07:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 404 states have (on average 1.5297029702970297) internal successors, (618), 411 states have internal predecessors, (618), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2024-11-09 23:07:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 782 transitions. [2024-11-09 23:07:51,444 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 782 transitions. Word has length 153 [2024-11-09 23:07:51,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:51,444 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 782 transitions. [2024-11-09 23:07:51,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-09 23:07:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 782 transitions. [2024-11-09 23:07:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 23:07:51,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:51,446 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1] [2024-11-09 23:07:51,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:07:51,447 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:51,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:51,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1558499069, now seen corresponding path program 2 times [2024-11-09 23:07:51,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:51,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882532482] [2024-11-09 23:07:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:51,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:07:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:07:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:07:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:07:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 23:07:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:07:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:07:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:07:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:07:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:07:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:07:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:07:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:07:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:07:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 23:07:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 23:07:51,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:51,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882532482] [2024-11-09 23:07:51,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882532482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:51,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:07:51,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:07:51,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356577186] [2024-11-09 23:07:51,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:51,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:07:51,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:51,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:07:51,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:07:51,697 INFO L87 Difference]: Start difference. First operand 515 states and 782 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-09 23:07:54,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:54,046 INFO L93 Difference]: Finished difference Result 1140 states and 1760 transitions. [2024-11-09 23:07:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:07:54,047 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 154 [2024-11-09 23:07:54,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:54,050 INFO L225 Difference]: With dead ends: 1140 [2024-11-09 23:07:54,050 INFO L226 Difference]: Without dead ends: 652 [2024-11-09 23:07:54,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:07:54,053 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1425 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 4688 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 5175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 4688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:54,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 1967 Invalid, 5175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 4688 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 23:07:54,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-11-09 23:07:54,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 517. [2024-11-09 23:07:54,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 405 states have (on average 1.528395061728395) internal successors, (619), 413 states have internal predecessors, (619), 79 states have call successors, (79), 28 states have call predecessors, (79), 32 states have return successors, (90), 77 states have call predecessors, (90), 78 states have call successors, (90) [2024-11-09 23:07:54,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 788 transitions. [2024-11-09 23:07:54,081 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 788 transitions. Word has length 154 [2024-11-09 23:07:54,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:54,082 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 788 transitions. [2024-11-09 23:07:54,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-09 23:07:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 788 transitions. [2024-11-09 23:07:54,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 23:07:54,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:54,084 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:07:54,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:07:54,084 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:54,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:54,085 INFO L85 PathProgramCache]: Analyzing trace with hash -587982732, now seen corresponding path program 1 times [2024-11-09 23:07:54,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:54,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855398976] [2024-11-09 23:07:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:54,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:07:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:07:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:07:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:07:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 23:07:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:07:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:07:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:07:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:07:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:07:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:07:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:07:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 23:07:54,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:54,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855398976] [2024-11-09 23:07:54,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855398976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:07:54,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112062847] [2024-11-09 23:07:54,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:54,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:54,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:07:54,355 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:07:54,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 23:07:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:54,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:07:54,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:07:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:07:54,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:07:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:07:54,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112062847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:07:54,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:07:54,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-09 23:07:54,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598385284] [2024-11-09 23:07:54,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:07:54,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 23:07:54,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:54,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 23:07:54,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:07:54,731 INFO L87 Difference]: Start difference. First operand 517 states and 788 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, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-09 23:07:57,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:57,125 INFO L93 Difference]: Finished difference Result 1630 states and 2607 transitions. [2024-11-09 23:07:57,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:07:57,126 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, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 136 [2024-11-09 23:07:57,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:57,131 INFO L225 Difference]: With dead ends: 1630 [2024-11-09 23:07:57,132 INFO L226 Difference]: Without dead ends: 1145 [2024-11-09 23:07:57,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-09 23:07:57,134 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 2849 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 4999 mSolverCounterSat, 907 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 5906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 907 IncrementalHoareTripleChecker+Valid, 4999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:57,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 2183 Invalid, 5906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [907 Valid, 4999 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 23:07:57,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-11-09 23:07:57,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 986. [2024-11-09 23:07:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 795 states have (on average 1.5547169811320756) internal successors, (1236), 803 states have internal predecessors, (1236), 158 states have call successors, (158), 28 states have call predecessors, (158), 32 states have return successors, (179), 156 states have call predecessors, (179), 157 states have call successors, (179) [2024-11-09 23:07:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1573 transitions. [2024-11-09 23:07:57,175 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1573 transitions. Word has length 136 [2024-11-09 23:07:57,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:57,175 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1573 transitions. [2024-11-09 23:07:57,175 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, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-09 23:07:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1573 transitions. [2024-11-09 23:07:57,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 23:07:57,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:57,179 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:07:57,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 23:07:57,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:07:57,380 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:57,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1794838458, now seen corresponding path program 1 times [2024-11-09 23:07:57,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:57,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956000541] [2024-11-09 23:07:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:57,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:07:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:07:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:07:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:07:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:07:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:07:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:07:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:07:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:07:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 23:07:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 23:07:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:07:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:07:57,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:57,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956000541] [2024-11-09 23:07:57,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956000541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:57,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:07:57,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:07:57,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569961097] [2024-11-09 23:07:57,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:57,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:07:57,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:57,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:07:57,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:07:57,488 INFO L87 Difference]: Start difference. First operand 986 states and 1573 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:07:58,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:07:58,669 INFO L93 Difference]: Finished difference Result 2477 states and 4038 transitions. [2024-11-09 23:07:58,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:07:58,669 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 147 [2024-11-09 23:07:58,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:07:58,677 INFO L225 Difference]: With dead ends: 2477 [2024-11-09 23:07:58,678 INFO L226 Difference]: Without dead ends: 1571 [2024-11-09 23:07:58,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:07:58,682 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 1563 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:07:58,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 1079 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:07:58,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-11-09 23:07:58,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1428. [2024-11-09 23:07:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1158 states have (on average 1.5613126079447324) internal successors, (1808), 1166 states have internal predecessors, (1808), 237 states have call successors, (237), 28 states have call predecessors, (237), 32 states have return successors, (268), 235 states have call predecessors, (268), 236 states have call successors, (268) [2024-11-09 23:07:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2313 transitions. [2024-11-09 23:07:58,748 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2313 transitions. Word has length 147 [2024-11-09 23:07:58,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:07:58,749 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 2313 transitions. [2024-11-09 23:07:58,749 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:07:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2313 transitions. [2024-11-09 23:07:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 23:07:58,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:07:58,754 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:07:58,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:07:58,754 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:07:58,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:07:58,755 INFO L85 PathProgramCache]: Analyzing trace with hash 657741182, now seen corresponding path program 1 times [2024-11-09 23:07:58,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:07:58,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993772977] [2024-11-09 23:07:58,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:07:58,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:07:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:07:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:07:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:07:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:07:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:07:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:07:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:07:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:07:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:07:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:07:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:07:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:07:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:07:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:07:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 23:07:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:07:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:07:58,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:07:58,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993772977] [2024-11-09 23:07:58,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993772977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:07:58,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:07:58,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:07:58,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899831742] [2024-11-09 23:07:58,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:07:58,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:07:58,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:07:58,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:07:58,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:07:58,845 INFO L87 Difference]: Start difference. First operand 1428 states and 2313 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:00,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:00,051 INFO L93 Difference]: Finished difference Result 3581 states and 5877 transitions. [2024-11-09 23:08:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:00,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 148 [2024-11-09 23:08:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:00,064 INFO L225 Difference]: With dead ends: 3581 [2024-11-09 23:08:00,064 INFO L226 Difference]: Without dead ends: 2292 [2024-11-09 23:08:00,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:00,069 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1560 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 538 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 2088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:00,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 1039 Invalid, 2088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:08:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2024-11-09 23:08:00,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2149. [2024-11-09 23:08:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 1760 states have (on average 1.5625) internal successors, (2750), 1768 states have internal predecessors, (2750), 356 states have call successors, (356), 28 states have call predecessors, (356), 32 states have return successors, (387), 354 states have call predecessors, (387), 355 states have call successors, (387) [2024-11-09 23:08:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 3493 transitions. [2024-11-09 23:08:00,165 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 3493 transitions. Word has length 148 [2024-11-09 23:08:00,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:00,167 INFO L471 AbstractCegarLoop]: Abstraction has 2149 states and 3493 transitions. [2024-11-09 23:08:00,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 3493 transitions. [2024-11-09 23:08:00,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-09 23:08:00,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:00,177 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:00,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:08:00,178 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:00,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:00,178 INFO L85 PathProgramCache]: Analyzing trace with hash -32018181, now seen corresponding path program 1 times [2024-11-09 23:08:00,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:00,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605062756] [2024-11-09 23:08:00,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:00,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:08:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:08:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:08:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:08:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:08:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:08:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:08:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:08:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:08:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 23:08:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 23:08:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 23:08:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 23:08:00,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:00,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605062756] [2024-11-09 23:08:00,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605062756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:00,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:00,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:08:00,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698618468] [2024-11-09 23:08:00,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:00,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:08:00,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:00,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:08:00,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:08:00,321 INFO L87 Difference]: Start difference. First operand 2149 states and 3493 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:08:01,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:01,617 INFO L93 Difference]: Finished difference Result 5268 states and 8695 transitions. [2024-11-09 23:08:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:01,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2024-11-09 23:08:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:01,634 INFO L225 Difference]: With dead ends: 5268 [2024-11-09 23:08:01,634 INFO L226 Difference]: Without dead ends: 3407 [2024-11-09 23:08:01,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:01,641 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1555 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:01,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 1035 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:08:01,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2024-11-09 23:08:01,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 3264. [2024-11-09 23:08:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3264 states, 2713 states have (on average 1.563214154072982) internal successors, (4241), 2721 states have internal predecessors, (4241), 518 states have call successors, (518), 28 states have call predecessors, (518), 32 states have return successors, (565), 516 states have call predecessors, (565), 517 states have call successors, (565) [2024-11-09 23:08:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 5324 transitions. [2024-11-09 23:08:01,808 INFO L78 Accepts]: Start accepts. Automaton has 3264 states and 5324 transitions. Word has length 168 [2024-11-09 23:08:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:01,809 INFO L471 AbstractCegarLoop]: Abstraction has 3264 states and 5324 transitions. [2024-11-09 23:08:01,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:08:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 5324 transitions. [2024-11-09 23:08:01,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 23:08:01,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:01,825 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:01,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:08:01,826 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:01,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:01,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1258176414, now seen corresponding path program 1 times [2024-11-09 23:08:01,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:01,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242137734] [2024-11-09 23:08:01,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:01,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:08:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:08:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:08:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:08:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:08:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:08:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:08:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:08:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 23:08:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:08:01,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:01,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242137734] [2024-11-09 23:08:01,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242137734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:01,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:01,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:08:01,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209300302] [2024-11-09 23:08:01,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:01,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:08:01,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:01,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:08:01,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:08:01,953 INFO L87 Difference]: Start difference. First operand 3264 states and 5324 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:03,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:03,288 INFO L93 Difference]: Finished difference Result 7949 states and 13172 transitions. [2024-11-09 23:08:03,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:03,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 150 [2024-11-09 23:08:03,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:03,309 INFO L225 Difference]: With dead ends: 7949 [2024-11-09 23:08:03,309 INFO L226 Difference]: Without dead ends: 5218 [2024-11-09 23:08:03,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:03,316 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1555 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:03,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 1036 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:08:03,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5218 states. [2024-11-09 23:08:03,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5218 to 5075. [2024-11-09 23:08:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 4279 states have (on average 1.562982005141388) internal successors, (6688), 4287 states have internal predecessors, (6688), 763 states have call successors, (763), 28 states have call predecessors, (763), 32 states have return successors, (836), 761 states have call predecessors, (836), 762 states have call successors, (836) [2024-11-09 23:08:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 8287 transitions. [2024-11-09 23:08:03,471 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 8287 transitions. Word has length 150 [2024-11-09 23:08:03,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:03,471 INFO L471 AbstractCegarLoop]: Abstraction has 5075 states and 8287 transitions. [2024-11-09 23:08:03,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:03,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 8287 transitions. [2024-11-09 23:08:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 23:08:03,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:03,484 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:03,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:08:03,484 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:03,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:03,485 INFO L85 PathProgramCache]: Analyzing trace with hash -33589670, now seen corresponding path program 1 times [2024-11-09 23:08:03,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:03,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803807877] [2024-11-09 23:08:03,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:03,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:08:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:08:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:08:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:08:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:08:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:08:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:08:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:08:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 23:08:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:08:03,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:03,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803807877] [2024-11-09 23:08:03,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803807877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:03,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:03,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:08:03,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138349352] [2024-11-09 23:08:03,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:03,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:08:03,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:03,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:08:03,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:08:03,588 INFO L87 Difference]: Start difference. First operand 5075 states and 8287 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:04,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:04,862 INFO L93 Difference]: Finished difference Result 12715 states and 21096 transitions. [2024-11-09 23:08:04,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:04,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2024-11-09 23:08:04,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:04,891 INFO L225 Difference]: With dead ends: 12715 [2024-11-09 23:08:04,891 INFO L226 Difference]: Without dead ends: 8467 [2024-11-09 23:08:04,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:04,900 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 1552 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:04,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 1087 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 1571 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:08:04,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8467 states. [2024-11-09 23:08:05,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8467 to 8324. [2024-11-09 23:08:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8324 states, 7035 states have (on average 1.5569296375266524) internal successors, (10953), 7043 states have internal predecessors, (10953), 1256 states have call successors, (1256), 28 states have call predecessors, (1256), 32 states have return successors, (1373), 1254 states have call predecessors, (1373), 1255 states have call successors, (1373) [2024-11-09 23:08:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8324 states to 8324 states and 13582 transitions. [2024-11-09 23:08:05,151 INFO L78 Accepts]: Start accepts. Automaton has 8324 states and 13582 transitions. Word has length 151 [2024-11-09 23:08:05,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:05,151 INFO L471 AbstractCegarLoop]: Abstraction has 8324 states and 13582 transitions. [2024-11-09 23:08:05,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 8324 states and 13582 transitions. [2024-11-09 23:08:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 23:08:05,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:05,171 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:05,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:08:05,171 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:05,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:05,171 INFO L85 PathProgramCache]: Analyzing trace with hash -39153026, now seen corresponding path program 1 times [2024-11-09 23:08:05,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:05,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692894329] [2024-11-09 23:08:05,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:05,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:08:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:08:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:08:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:08:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:08:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:08:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:08:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 23:08:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 23:08:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:08:05,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:05,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692894329] [2024-11-09 23:08:05,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692894329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:05,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:05,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:08:05,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239724837] [2024-11-09 23:08:05,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:05,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:08:05,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:05,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:08:05,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:08:05,315 INFO L87 Difference]: Start difference. First operand 8324 states and 13582 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:06,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:06,734 INFO L93 Difference]: Finished difference Result 21221 states and 35146 transitions. [2024-11-09 23:08:06,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:06,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 152 [2024-11-09 23:08:06,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:06,777 INFO L225 Difference]: With dead ends: 21221 [2024-11-09 23:08:06,777 INFO L226 Difference]: Without dead ends: 14188 [2024-11-09 23:08:06,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:06,794 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1549 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:06,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 1041 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:08:06,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14188 states. [2024-11-09 23:08:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14188 to 14045. [2024-11-09 23:08:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14045 states, 11934 states have (on average 1.554047259929613) internal successors, (18546), 11942 states have internal predecessors, (18546), 2078 states have call successors, (2078), 28 states have call predecessors, (2078), 32 states have return successors, (2273), 2076 states have call predecessors, (2273), 2077 states have call successors, (2273) [2024-11-09 23:08:07,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14045 states to 14045 states and 22897 transitions. [2024-11-09 23:08:07,210 INFO L78 Accepts]: Start accepts. Automaton has 14045 states and 22897 transitions. Word has length 152 [2024-11-09 23:08:07,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:07,210 INFO L471 AbstractCegarLoop]: Abstraction has 14045 states and 22897 transitions. [2024-11-09 23:08:07,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 14045 states and 22897 transitions. [2024-11-09 23:08:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-09 23:08:07,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:07,238 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:07,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:08:07,238 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:07,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:07,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1900563877, now seen corresponding path program 1 times [2024-11-09 23:08:07,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:07,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448820552] [2024-11-09 23:08:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:07,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:08:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:08:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:08:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:08:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:08:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:08:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:08:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 23:08:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 23:08:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 23:08:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 23:08:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 23:08:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 23:08:07,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:07,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448820552] [2024-11-09 23:08:07,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448820552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:07,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:07,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:08:07,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178881125] [2024-11-09 23:08:07,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:07,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:08:07,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:07,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:08:07,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:08:07,340 INFO L87 Difference]: Start difference. First operand 14045 states and 22897 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:08:08,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:08,936 INFO L93 Difference]: Finished difference Result 34234 states and 56061 transitions. [2024-11-09 23:08:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:08,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2024-11-09 23:08:08,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:09,016 INFO L225 Difference]: With dead ends: 34234 [2024-11-09 23:08:09,016 INFO L226 Difference]: Without dead ends: 22540 [2024-11-09 23:08:09,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:09,046 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1543 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1552 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 1552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:09,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 1042 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 1552 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:08:09,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22540 states. [2024-11-09 23:08:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22540 to 22397. [2024-11-09 23:08:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22397 states, 19083 states have (on average 1.5204632395325683) internal successors, (29015), 19091 states have internal predecessors, (29015), 3281 states have call successors, (3281), 28 states have call predecessors, (3281), 32 states have return successors, (3620), 3279 states have call predecessors, (3620), 3280 states have call successors, (3620) [2024-11-09 23:08:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22397 states to 22397 states and 35916 transitions. [2024-11-09 23:08:09,732 INFO L78 Accepts]: Start accepts. Automaton has 22397 states and 35916 transitions. Word has length 172 [2024-11-09 23:08:09,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:09,733 INFO L471 AbstractCegarLoop]: Abstraction has 22397 states and 35916 transitions. [2024-11-09 23:08:09,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:08:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 22397 states and 35916 transitions. [2024-11-09 23:08:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 23:08:09,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:09,758 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:09,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:08:09,758 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:09,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:09,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1845547682, now seen corresponding path program 1 times [2024-11-09 23:08:09,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:09,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377049294] [2024-11-09 23:08:09,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:09,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:08:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:08:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:08:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:08:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:08:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:08:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:08:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:08:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 23:08:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:08:09,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:09,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377049294] [2024-11-09 23:08:09,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377049294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:09,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:09,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:08:09,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311587272] [2024-11-09 23:08:09,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:09,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:08:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:09,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:08:09,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:08:09,850 INFO L87 Difference]: Start difference. First operand 22397 states and 35916 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:11,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:11,745 INFO L93 Difference]: Finished difference Result 59648 states and 96961 transitions. [2024-11-09 23:08:11,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:11,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 154 [2024-11-09 23:08:11,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:11,878 INFO L225 Difference]: With dead ends: 59648 [2024-11-09 23:08:11,879 INFO L226 Difference]: Without dead ends: 40358 [2024-11-09 23:08:11,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:11,926 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1546 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 538 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:11,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1565 Valid, 1035 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:08:11,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40358 states. [2024-11-09 23:08:13,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40358 to 40215. [2024-11-09 23:08:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40215 states, 34451 states have (on average 1.5145569069112652) internal successors, (52178), 34459 states have internal predecessors, (52178), 5731 states have call successors, (5731), 28 states have call predecessors, (5731), 32 states have return successors, (6344), 5729 states have call predecessors, (6344), 5730 states have call successors, (6344) [2024-11-09 23:08:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40215 states to 40215 states and 64253 transitions. [2024-11-09 23:08:13,451 INFO L78 Accepts]: Start accepts. Automaton has 40215 states and 64253 transitions. Word has length 154 [2024-11-09 23:08:13,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:13,453 INFO L471 AbstractCegarLoop]: Abstraction has 40215 states and 64253 transitions. [2024-11-09 23:08:13,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:08:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 40215 states and 64253 transitions. [2024-11-09 23:08:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 23:08:13,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:13,480 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:13,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:08:13,480 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:13,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:13,480 INFO L85 PathProgramCache]: Analyzing trace with hash 353278651, now seen corresponding path program 1 times [2024-11-09 23:08:13,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:13,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777850615] [2024-11-09 23:08:13,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:13,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:08:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:08:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:08:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:08:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:08:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:08:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:08:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:08:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 23:08:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 23:08:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 23:08:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 23:08:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:13,574 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 23:08:13,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:13,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777850615] [2024-11-09 23:08:13,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777850615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:13,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:13,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:08:13,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636723037] [2024-11-09 23:08:13,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:13,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:08:13,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:13,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:08:13,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:08:13,575 INFO L87 Difference]: Start difference. First operand 40215 states and 64253 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:08:16,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:16,391 INFO L93 Difference]: Finished difference Result 110347 states and 178187 transitions. [2024-11-09 23:08:16,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:16,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2024-11-09 23:08:16,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:16,662 INFO L225 Difference]: With dead ends: 110347 [2024-11-09 23:08:16,662 INFO L226 Difference]: Without dead ends: 74301 [2024-11-09 23:08:16,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:16,728 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1541 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 2049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:16,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 1064 Invalid, 2049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:08:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74301 states. [2024-11-09 23:08:18,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74301 to 74158. [2024-11-09 23:08:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74158 states, 63881 states have (on average 1.508101000297428) internal successors, (96339), 63889 states have internal predecessors, (96339), 10244 states have call successors, (10244), 28 states have call predecessors, (10244), 32 states have return successors, (11389), 10242 states have call predecessors, (11389), 10243 states have call successors, (11389) [2024-11-09 23:08:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74158 states to 74158 states and 117972 transitions. [2024-11-09 23:08:19,313 INFO L78 Accepts]: Start accepts. Automaton has 74158 states and 117972 transitions. Word has length 174 [2024-11-09 23:08:19,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:19,318 INFO L471 AbstractCegarLoop]: Abstraction has 74158 states and 117972 transitions. [2024-11-09 23:08:19,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:08:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 74158 states and 117972 transitions. [2024-11-09 23:08:19,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-09 23:08:19,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:19,392 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:19,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:08:19,392 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:19,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:19,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1457910313, now seen corresponding path program 1 times [2024-11-09 23:08:19,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:19,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731636770] [2024-11-09 23:08:19,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:08:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:08:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:08:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:08:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:08:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:08:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:08:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 23:08:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 23:08:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 23:08:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 23:08:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 23:08:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 23:08:19,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:19,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731636770] [2024-11-09 23:08:19,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731636770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:19,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:19,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:08:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88564147] [2024-11-09 23:08:19,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:19,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:08:19,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:19,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:08:19,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:08:19,507 INFO L87 Difference]: Start difference. First operand 74158 states and 117972 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:08:22,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:22,826 INFO L93 Difference]: Finished difference Result 139816 states and 225657 transitions. [2024-11-09 23:08:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:08:22,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2024-11-09 23:08:22,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:23,283 INFO L225 Difference]: With dead ends: 139816 [2024-11-09 23:08:23,283 INFO L226 Difference]: Without dead ends: 139589 [2024-11-09 23:08:23,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:08:23,325 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1534 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:23,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 1044 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [532 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:08:23,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139589 states. [2024-11-09 23:08:27,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139589 to 139446. [2024-11-09 23:08:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139446 states, 120801 states have (on average 1.5009975082987723) internal successors, (181322), 120809 states have internal predecessors, (181322), 18612 states have call successors, (18612), 28 states have call predecessors, (18612), 32 states have return successors, (20803), 18610 states have call predecessors, (20803), 18611 states have call successors, (20803) [2024-11-09 23:08:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139446 states to 139446 states and 220737 transitions. [2024-11-09 23:08:27,733 INFO L78 Accepts]: Start accepts. Automaton has 139446 states and 220737 transitions. Word has length 175 [2024-11-09 23:08:27,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:27,734 INFO L471 AbstractCegarLoop]: Abstraction has 139446 states and 220737 transitions. [2024-11-09 23:08:27,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:08:27,734 INFO L276 IsEmpty]: Start isEmpty. Operand 139446 states and 220737 transitions. [2024-11-09 23:08:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 23:08:27,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:27,775 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:27,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:08:27,776 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:27,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1073820954, now seen corresponding path program 1 times [2024-11-09 23:08:27,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:27,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255304246] [2024-11-09 23:08:27,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:08:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:08:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:08:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:08:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:08:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:08:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:08:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 23:08:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 23:08:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:08:28,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:28,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255304246] [2024-11-09 23:08:28,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255304246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:28,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:28,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-09 23:08:28,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017938178] [2024-11-09 23:08:28,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:28,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 23:08:28,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:28,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 23:08:28,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:08:28,478 INFO L87 Difference]: Start difference. First operand 139446 states and 220737 transitions. Second operand has 18 states, 16 states have (on average 6.75) internal successors, (108), 12 states have internal predecessors, (108), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 23:08:38,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:38,901 INFO L93 Difference]: Finished difference Result 278422 states and 452790 transitions. [2024-11-09 23:08:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-09 23:08:38,901 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.75) internal successors, (108), 12 states have internal predecessors, (108), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 157 [2024-11-09 23:08:38,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:40,395 INFO L225 Difference]: With dead ends: 278422 [2024-11-09 23:08:40,395 INFO L226 Difference]: Without dead ends: 278201 [2024-11-09 23:08:40,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1371 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=900, Invalid=4070, Unknown=0, NotChecked=0, Total=4970 [2024-11-09 23:08:40,493 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 5476 mSDsluCounter, 3337 mSDsCounter, 0 mSdLazyCounter, 10197 mSolverCounterSat, 1927 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5476 SdHoareTripleChecker+Valid, 3611 SdHoareTripleChecker+Invalid, 12124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1927 IncrementalHoareTripleChecker+Valid, 10197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:40,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5476 Valid, 3611 Invalid, 12124 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1927 Valid, 10197 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-09 23:08:40,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278201 states. [2024-11-09 23:08:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278201 to 277687. [2024-11-09 23:08:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277687 states, 240594 states have (on average 1.5015627987397857) internal successors, (361267), 240504 states have internal predecessors, (361267), 37006 states have call successors, (37006), 75 states have call predecessors, (37006), 86 states have return successors, (44687), 37115 states have call predecessors, (44687), 37003 states have call successors, (44687) [2024-11-09 23:08:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277687 states to 277687 states and 442960 transitions. [2024-11-09 23:08:50,144 INFO L78 Accepts]: Start accepts. Automaton has 277687 states and 442960 transitions. Word has length 157 [2024-11-09 23:08:50,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:50,145 INFO L471 AbstractCegarLoop]: Abstraction has 277687 states and 442960 transitions. [2024-11-09 23:08:50,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.75) internal successors, (108), 12 states have internal predecessors, (108), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 23:08:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 277687 states and 442960 transitions. [2024-11-09 23:08:50,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-09 23:08:50,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:50,327 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:50,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:08:50,327 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:50,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:50,328 INFO L85 PathProgramCache]: Analyzing trace with hash -838164709, now seen corresponding path program 1 times [2024-11-09 23:08:50,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:50,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14313699] [2024-11-09 23:08:50,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:50,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:08:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:08:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:08:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:08:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:08:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:08:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:08:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:08:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 23:08:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 23:08:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 23:08:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-09 23:08:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 23:08:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 23:08:50,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:50,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14313699] [2024-11-09 23:08:50,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14313699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:50,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:50,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 23:08:50,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795432914] [2024-11-09 23:08:50,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:50,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:08:50,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:08:50,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:08:50,497 INFO L87 Difference]: Start difference. First operand 277687 states and 442960 transitions. Second operand has 10 states, 10 states have (on average 11.5) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18)