./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.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 ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 17:15:34,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 17:15:34,404 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 17:15:34,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 17:15:34,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 17:15:34,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 17:15:34,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 17:15:34,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 17:15:34,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 17:15:34,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 17:15:34,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 17:15:34,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 17:15:34,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 17:15:34,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 17:15:34,438 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 17:15:34,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 17:15:34,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 17:15:34,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 17:15:34,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 17:15:34,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 17:15:34,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 17:15:34,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 17:15:34,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 17:15:34,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 17:15:34,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 17:15:34,442 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 17:15:34,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 17:15:34,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 17:15:34,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 17:15:34,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 17:15:34,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 17:15:34,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 17:15:34,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 17:15:34,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 17:15:34,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 17:15:34,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 17:15:34,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 17:15:34,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 17:15:34,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 17:15:34,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 17:15:34,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 17:15:34,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 17:15:34,447 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 [2024-11-19 17:15:34,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 17:15:34,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 17:15:34,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 17:15:34,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 17:15:34,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 17:15:34,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2024-11-19 17:15:36,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 17:15:36,661 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 17:15:36,663 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2024-11-19 17:15:36,716 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f486e920d/ac29ff89039d4cdf807531a102bcaf79/FLAG8f81c512f [2024-11-19 17:15:36,731 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f486e920d/ac29ff89039d4cdf807531a102bcaf79 [2024-11-19 17:15:36,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 17:15:36,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 17:15:36,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 17:15:36,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 17:15:36,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 17:15:36,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:36" (1/1) ... [2024-11-19 17:15:36,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612cbb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:36, skipping insertion in model container [2024-11-19 17:15:36,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:36" (1/1) ... [2024-11-19 17:15:36,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 17:15:37,545 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/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2024-11-19 17:15:38,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 17:15:38,154 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 17:15:38,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [13] [2024-11-19 17:15:38,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [14] [2024-11-19 17:15:38,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [187] [2024-11-19 17:15:38,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [193] [2024-11-19 17:15:38,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [399] [2024-11-19 17:15:38,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [452] [2024-11-19 17:15:38,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [471] [2024-11-19 17:15:38,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [472] [2024-11-19 17:15:38,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1153] [2024-11-19 17:15:38,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1326] [2024-11-19 17:15:38,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1446] [2024-11-19 17:15:38,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1447] [2024-11-19 17:15:38,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(1) [2284] [2024-11-19 17:15:38,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack() [2285] [2024-11-19 17:15:38,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [2626] [2024-11-19 17:15:38,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2627] [2024-11-19 17:15:38,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2630] [2024-11-19 17:15:38,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2631] [2024-11-19 17:15:38,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2632] [2024-11-19 17:15:38,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2633] [2024-11-19 17:15:38,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [2634] [2024-11-19 17:15:38,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2635] [2024-11-19 17:15:38,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2642] [2024-11-19 17:15:38,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2643] [2024-11-19 17:15:38,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2644] [2024-11-19 17:15:38,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2645] [2024-11-19 17:15:38,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2646] [2024-11-19 17:15:38,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2651] [2024-11-19 17:15:38,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2652] [2024-11-19 17:15:38,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2681] [2024-11-19 17:15:38,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2682] [2024-11-19 17:15:38,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2683] [2024-11-19 17:15:38,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2690] [2024-11-19 17:15:38,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2691] [2024-11-19 17:15:38,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [2692] [2024-11-19 17:15:38,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [2693] [2024-11-19 17:15:38,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [2694] [2024-11-19 17:15:38,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2695] [2024-11-19 17:15:38,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2696] [2024-11-19 17:15:38,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2697] [2024-11-19 17:15:38,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2698] [2024-11-19 17:15:38,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2699] [2024-11-19 17:15:38,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2753] [2024-11-19 17:15:38,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2754] [2024-11-19 17:15:38,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2827] [2024-11-19 17:15:38,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2828] [2024-11-19 17:15:38,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2840] [2024-11-19 17:15:38,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2841] [2024-11-19 17:15:38,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [2910] [2024-11-19 17:15:38,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudioNECDeviceControl) [2911] [2024-11-19 17:15:38,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHitachiSendPauseCommand) [2912] [2024-11-19 17:15:38,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHitachiDeviceControl) [2913] [2024-11-19 17:15:38,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioDenonDeviceControl) [2914] [2024-11-19 17:15:38,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudio435DeviceControl) [2915] [2024-11-19 17:15:38,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudio535DeviceControl) [2916] [2024-11-19 17:15:38,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioPioneerDeviceControl) [2917] [2024-11-19 17:15:38,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudioPan533DeviceControl) [2918] [2024-11-19 17:15:38,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioAtapiDeviceControl) [2919] [2024-11-19 17:15:38,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioLionOpticsDeviceControl) [2920] [2024-11-19 17:15:38,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHPCdrDeviceControl) [2921] [2024-11-19 17:15:38,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,HpCdrProcessLastSession) [2922] [2024-11-19 17:15:38,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,HPCdrCompletion) [2923] [2024-11-19 17:15:38,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7517] [2024-11-19 17:15:38,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7518] [2024-11-19 17:15:38,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7519] [2024-11-19 17:15:38,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7520] [2024-11-19 17:15:38,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7521] [2024-11-19 17:15:38,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7522] [2024-11-19 17:15:38,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7523] [2024-11-19 17:15:38,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7524] [2024-11-19 17:15:38,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7525] [2024-11-19 17:15:38,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7526] [2024-11-19 17:15:38,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [7527] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [7528] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [7529] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7530] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7531] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7532] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7533] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7534] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7535] [2024-11-19 17:15:38,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7536] [2024-11-19 17:15:38,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [7537] [2024-11-19 17:15:38,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [7538] [2024-11-19 17:15:38,231 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/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2024-11-19 17:15:38,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 17:15:38,534 INFO L204 MainTranslator]: Completed translation [2024-11-19 17:15:38,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38 WrapperNode [2024-11-19 17:15:38,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 17:15:38,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 17:15:38,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 17:15:38,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 17:15:38,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:38,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:38,744 INFO L138 Inliner]: procedures = 120, calls = 2181, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2469 [2024-11-19 17:15:38,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 17:15:38,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 17:15:38,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 17:15:38,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 17:15:38,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:38,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:38,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:38,933 INFO L175 MemorySlicer]: Split 698 memory accesses to 14 slices as follows [2, 20, 1, 1, 7, 113, 115, 224, 111, 4, 84, 13, 2, 1]. 32 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 0, 7, 0, 0, 0, 0, 4, 0, 0, 0, 0]. The 397 writes are split as follows [0, 4, 1, 0, 0, 112, 11, 118, 86, 0, 53, 12, 0, 0]. [2024-11-19 17:15:38,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:38,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:38,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:39,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:39,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:39,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:39,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 17:15:39,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 17:15:39,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 17:15:39,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 17:15:39,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (1/1) ... [2024-11-19 17:15:39,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 17:15:39,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 17:15:39,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 17:15:39,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 17:15:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 17:15:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 17:15:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 17:15:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 17:15:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 17:15:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 17:15:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 17:15:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 17:15:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 17:15:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 17:15:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 17:15:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 17:15:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 17:15:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 17:15:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 17:15:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 17:15:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 17:15:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 17:15:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 17:15:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 17:15:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 17:15:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 17:15:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 17:15:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-19 17:15:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 17:15:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 17:15:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-19 17:15:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 17:15:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 17:15:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 17:15:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 17:15:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 17:15:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 17:15:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 17:15:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 17:15:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 17:15:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 17:15:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 17:15:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 17:15:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 17:15:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-19 17:15:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2024-11-19 17:15:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2024-11-19 17:15:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 17:15:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 17:15:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 17:15:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 17:15:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 17:15:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 17:15:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 17:15:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 17:15:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 17:15:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 17:15:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 17:15:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 17:15:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 17:15:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 17:15:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2024-11-19 17:15:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2024-11-19 17:15:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2024-11-19 17:15:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2024-11-19 17:15:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-19 17:15:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-19 17:15:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 17:15:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 17:15:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 17:15:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2024-11-19 17:15:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-19 17:15:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2024-11-19 17:15:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2024-11-19 17:15:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 17:15:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 17:15:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-11-19 17:15:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 17:15:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 17:15:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 17:15:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2024-11-19 17:15:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2024-11-19 17:15:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2024-11-19 17:15:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2024-11-19 17:15:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 17:15:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-19 17:15:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-19 17:15:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2024-11-19 17:15:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2024-11-19 17:15:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 17:15:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 17:15:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2024-11-19 17:15:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 17:15:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 17:15:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 17:15:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2024-11-19 17:15:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2024-11-19 17:15:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 17:15:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 17:15:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2024-11-19 17:15:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2024-11-19 17:15:39,720 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 17:15:39,722 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 17:15:40,264 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:40,304 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2024-11-19 17:15:40,304 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2024-11-19 17:15:40,540 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:40,546 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2024-11-19 17:15:40,546 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2024-11-19 17:15:40,726 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:40,742 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2024-11-19 17:15:40,742 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-11-19 17:15:41,311 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:41,314 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:41,315 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:41,328 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:41,339 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:41,348 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-19 17:15:44,222 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##202: assume !false; [2024-11-19 17:15:44,222 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume false; [2024-11-19 17:15:44,222 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##600: assume !false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume !false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##348: assume false; [2024-11-19 17:15:44,223 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##599: assume false; [2024-11-19 17:15:44,637 INFO L? ?]: Removed 899 outVars from TransFormulas that were not future-live. [2024-11-19 17:15:44,637 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 17:15:44,672 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 17:15:44,673 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-19 17:15:44,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:44 BoogieIcfgContainer [2024-11-19 17:15:44,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 17:15:44,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 17:15:44,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 17:15:44,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 17:15:44,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:36" (1/3) ... [2024-11-19 17:15:44,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ad3b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:44, skipping insertion in model container [2024-11-19 17:15:44,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38" (2/3) ... [2024-11-19 17:15:44,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ad3b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:44, skipping insertion in model container [2024-11-19 17:15:44,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:44" (3/3) ... [2024-11-19 17:15:44,681 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2024-11-19 17:15:44,700 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 17:15:44,700 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 17:15:44,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 17:15:44,798 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;@1ab1ab02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 17:15:44,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 17:15:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 696 states, 560 states have (on average 1.5160714285714285) internal successors, (849), 579 states have internal predecessors, (849), 113 states have call successors, (113), 21 states have call predecessors, (113), 21 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-19 17:15:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 17:15:44,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:44,818 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:44,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:44,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:44,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1452259225, now seen corresponding path program 1 times [2024-11-19 17:15:44,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:44,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366073260] [2024-11-19 17:15:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:44,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:45,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:45,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366073260] [2024-11-19 17:15:45,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366073260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:45,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:45,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 17:15:45,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639197863] [2024-11-19 17:15:45,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:45,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 17:15:45,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:45,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 17:15:45,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 17:15:45,244 INFO L87 Difference]: Start difference. First operand has 696 states, 560 states have (on average 1.5160714285714285) internal successors, (849), 579 states have internal predecessors, (849), 113 states have call successors, (113), 21 states have call predecessors, (113), 21 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:45,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:45,348 INFO L93 Difference]: Finished difference Result 1386 states and 2192 transitions. [2024-11-19 17:15:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 17:15:45,351 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-19 17:15:45,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:45,368 INFO L225 Difference]: With dead ends: 1386 [2024-11-19 17:15:45,368 INFO L226 Difference]: Without dead ends: 689 [2024-11-19 17:15:45,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 17:15:45,380 INFO L432 NwaCegarLoop]: 1043 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, 1043 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:45,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 17:15:45,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-19 17:15:45,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2024-11-19 17:15:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 555 states have (on average 1.4792792792792793) internal successors, (821), 572 states have internal predecessors, (821), 113 states have call successors, (113), 21 states have call predecessors, (113), 20 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-19 17:15:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1031 transitions. [2024-11-19 17:15:45,481 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1031 transitions. Word has length 19 [2024-11-19 17:15:45,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:45,481 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1031 transitions. [2024-11-19 17:15:45,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1031 transitions. [2024-11-19 17:15:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 17:15:45,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:45,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:45,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 17:15:45,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:45,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:45,484 INFO L85 PathProgramCache]: Analyzing trace with hash -147217445, now seen corresponding path program 1 times [2024-11-19 17:15:45,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:45,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923650598] [2024-11-19 17:15:45,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:45,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:45,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923650598] [2024-11-19 17:15:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923650598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:45,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:45,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 17:15:45,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58666901] [2024-11-19 17:15:45,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:45,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 17:15:45,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:45,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 17:15:45,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:45,617 INFO L87 Difference]: Start difference. First operand 689 states and 1031 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:45,745 INFO L93 Difference]: Finished difference Result 708 states and 1056 transitions. [2024-11-19 17:15:45,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 17:15:45,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-19 17:15:45,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:45,755 INFO L225 Difference]: With dead ends: 708 [2024-11-19 17:15:45,755 INFO L226 Difference]: Without dead ends: 689 [2024-11-19 17:15:45,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:45,758 INFO L432 NwaCegarLoop]: 1029 mSDtfsCounter, 16 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:45,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1997 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 17:15:45,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-19 17:15:45,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2024-11-19 17:15:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 555 states have (on average 1.4774774774774775) internal successors, (820), 572 states have internal predecessors, (820), 113 states have call successors, (113), 21 states have call predecessors, (113), 20 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-19 17:15:45,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1030 transitions. [2024-11-19 17:15:45,804 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1030 transitions. Word has length 19 [2024-11-19 17:15:45,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:45,804 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1030 transitions. [2024-11-19 17:15:45,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1030 transitions. [2024-11-19 17:15:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 17:15:45,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:45,806 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:45,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 17:15:45,806 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:45,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:45,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1289158732, now seen corresponding path program 1 times [2024-11-19 17:15:45,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:45,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106925331] [2024-11-19 17:15:45,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:45,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:45,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:45,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106925331] [2024-11-19 17:15:45,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106925331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:45,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:45,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 17:15:45,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714890535] [2024-11-19 17:15:45,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:45,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 17:15:45,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:45,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 17:15:45,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:45,989 INFO L87 Difference]: Start difference. First operand 689 states and 1030 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:46,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:46,191 INFO L93 Difference]: Finished difference Result 1226 states and 1823 transitions. [2024-11-19 17:15:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 17:15:46,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-19 17:15:46,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:46,198 INFO L225 Difference]: With dead ends: 1226 [2024-11-19 17:15:46,199 INFO L226 Difference]: Without dead ends: 973 [2024-11-19 17:15:46,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:46,204 INFO L432 NwaCegarLoop]: 1372 mSDtfsCounter, 942 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:46,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 1800 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 17:15:46,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2024-11-19 17:15:46,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 954. [2024-11-19 17:15:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 776 states have (on average 1.461340206185567) internal successors, (1134), 779 states have internal predecessors, (1134), 142 states have call successors, (142), 36 states have call predecessors, (142), 35 states have return successors, (146), 140 states have call predecessors, (146), 130 states have call successors, (146) [2024-11-19 17:15:46,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1422 transitions. [2024-11-19 17:15:46,263 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1422 transitions. Word has length 21 [2024-11-19 17:15:46,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:46,264 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1422 transitions. [2024-11-19 17:15:46,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1422 transitions. [2024-11-19 17:15:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 17:15:46,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:46,268 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:46,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 17:15:46,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:46,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:46,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1599811433, now seen corresponding path program 1 times [2024-11-19 17:15:46,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:46,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347726763] [2024-11-19 17:15:46,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:46,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:46,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:46,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347726763] [2024-11-19 17:15:46,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347726763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:46,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:46,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 17:15:46,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692678700] [2024-11-19 17:15:46,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:46,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 17:15:46,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:46,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 17:15:46,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:46,489 INFO L87 Difference]: Start difference. First operand 954 states and 1422 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:46,554 INFO L93 Difference]: Finished difference Result 1526 states and 2256 transitions. [2024-11-19 17:15:46,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 17:15:46,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-19 17:15:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:46,561 INFO L225 Difference]: With dead ends: 1526 [2024-11-19 17:15:46,562 INFO L226 Difference]: Without dead ends: 1394 [2024-11-19 17:15:46,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:46,564 INFO L432 NwaCegarLoop]: 1278 mSDtfsCounter, 927 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:46,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 1712 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 17:15:46,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2024-11-19 17:15:46,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1359. [2024-11-19 17:15:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1111 states have (on average 1.4707470747074707) internal successors, (1634), 1110 states have internal predecessors, (1634), 189 states have call successors, (189), 55 states have call predecessors, (189), 58 states have return successors, (205), 193 states have call predecessors, (205), 180 states have call successors, (205) [2024-11-19 17:15:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 2028 transitions. [2024-11-19 17:15:46,669 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 2028 transitions. Word has length 28 [2024-11-19 17:15:46,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:46,669 INFO L471 AbstractCegarLoop]: Abstraction has 1359 states and 2028 transitions. [2024-11-19 17:15:46,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2028 transitions. [2024-11-19 17:15:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 17:15:46,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:46,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:46,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 17:15:46,673 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:46,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:46,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1701522095, now seen corresponding path program 1 times [2024-11-19 17:15:46,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:46,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150047251] [2024-11-19 17:15:46,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:46,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:46,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:46,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150047251] [2024-11-19 17:15:46,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150047251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:46,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:46,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 17:15:46,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595507404] [2024-11-19 17:15:46,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:46,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 17:15:46,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:46,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 17:15:46,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:46,790 INFO L87 Difference]: Start difference. First operand 1359 states and 2028 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:47,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:47,026 INFO L93 Difference]: Finished difference Result 3144 states and 4792 transitions. [2024-11-19 17:15:47,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 17:15:47,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-19 17:15:47,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:47,044 INFO L225 Difference]: With dead ends: 3144 [2024-11-19 17:15:47,044 INFO L226 Difference]: Without dead ends: 2383 [2024-11-19 17:15:47,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:47,050 INFO L432 NwaCegarLoop]: 1572 mSDtfsCounter, 671 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:47,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 2522 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 17:15:47,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-11-19 17:15:47,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 1619. [2024-11-19 17:15:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1305 states have (on average 1.4544061302681992) internal successors, (1898), 1303 states have internal predecessors, (1898), 227 states have call successors, (227), 82 states have call predecessors, (227), 86 states have return successors, (298), 233 states have call predecessors, (298), 218 states have call successors, (298) [2024-11-19 17:15:47,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2423 transitions. [2024-11-19 17:15:47,179 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2423 transitions. Word has length 28 [2024-11-19 17:15:47,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:47,180 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2423 transitions. [2024-11-19 17:15:47,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2423 transitions. [2024-11-19 17:15:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 17:15:47,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:47,182 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:47,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 17:15:47,182 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:47,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:47,182 INFO L85 PathProgramCache]: Analyzing trace with hash -557001360, now seen corresponding path program 1 times [2024-11-19 17:15:47,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:47,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005094159] [2024-11-19 17:15:47,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:47,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:47,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:47,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:47,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005094159] [2024-11-19 17:15:47,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005094159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:47,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:47,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 17:15:47,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278665492] [2024-11-19 17:15:47,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:47,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 17:15:47,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:47,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 17:15:47,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:47,293 INFO L87 Difference]: Start difference. First operand 1619 states and 2423 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:47,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:47,411 INFO L93 Difference]: Finished difference Result 1622 states and 2425 transitions. [2024-11-19 17:15:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 17:15:47,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-19 17:15:47,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:47,420 INFO L225 Difference]: With dead ends: 1622 [2024-11-19 17:15:47,420 INFO L226 Difference]: Without dead ends: 1618 [2024-11-19 17:15:47,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:47,423 INFO L432 NwaCegarLoop]: 989 mSDtfsCounter, 34 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:47,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1921 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 17:15:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2024-11-19 17:15:47,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1618. [2024-11-19 17:15:47,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1618 states, 1305 states have (on average 1.452873563218391) internal successors, (1896), 1302 states have internal predecessors, (1896), 226 states have call successors, (226), 82 states have call predecessors, (226), 86 states have return successors, (298), 233 states have call predecessors, (298), 218 states have call successors, (298) [2024-11-19 17:15:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 2420 transitions. [2024-11-19 17:15:47,497 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 2420 transitions. Word has length 28 [2024-11-19 17:15:47,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:47,498 INFO L471 AbstractCegarLoop]: Abstraction has 1618 states and 2420 transitions. [2024-11-19 17:15:47,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2420 transitions. [2024-11-19 17:15:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 17:15:47,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:47,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:47,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 17:15:47,499 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:47,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:47,501 INFO L85 PathProgramCache]: Analyzing trace with hash 968439853, now seen corresponding path program 1 times [2024-11-19 17:15:47,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:47,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742328467] [2024-11-19 17:15:47,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:47,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:47,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:47,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742328467] [2024-11-19 17:15:47,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742328467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:47,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:47,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 17:15:47,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140564963] [2024-11-19 17:15:47,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:47,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 17:15:47,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:47,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 17:15:47,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 17:15:47,719 INFO L87 Difference]: Start difference. First operand 1618 states and 2420 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:48,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:48,448 INFO L93 Difference]: Finished difference Result 2929 states and 4417 transitions. [2024-11-19 17:15:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 17:15:48,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-19 17:15:48,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:48,459 INFO L225 Difference]: With dead ends: 2929 [2024-11-19 17:15:48,459 INFO L226 Difference]: Without dead ends: 1932 [2024-11-19 17:15:48,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:15:48,463 INFO L432 NwaCegarLoop]: 1279 mSDtfsCounter, 1636 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:48,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 1607 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 17:15:48,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2024-11-19 17:15:48,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1606. [2024-11-19 17:15:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1295 states have (on average 1.4501930501930502) internal successors, (1878), 1292 states have internal predecessors, (1878), 224 states have call successors, (224), 80 states have call predecessors, (224), 86 states have return successors, (294), 233 states have call predecessors, (294), 216 states have call successors, (294) [2024-11-19 17:15:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2396 transitions. [2024-11-19 17:15:48,554 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2396 transitions. Word has length 29 [2024-11-19 17:15:48,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:48,554 INFO L471 AbstractCegarLoop]: Abstraction has 1606 states and 2396 transitions. [2024-11-19 17:15:48,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2396 transitions. [2024-11-19 17:15:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 17:15:48,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:48,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:48,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 17:15:48,557 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:48,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:48,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1032153716, now seen corresponding path program 1 times [2024-11-19 17:15:48,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:48,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998056958] [2024-11-19 17:15:48,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:48,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:48,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:48,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998056958] [2024-11-19 17:15:48,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998056958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:48,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:48,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 17:15:48,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190742181] [2024-11-19 17:15:48,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:48,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 17:15:48,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:48,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 17:15:48,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 17:15:48,732 INFO L87 Difference]: Start difference. First operand 1606 states and 2396 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:49,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:49,247 INFO L93 Difference]: Finished difference Result 1667 states and 2476 transitions. [2024-11-19 17:15:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 17:15:49,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-19 17:15:49,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:49,256 INFO L225 Difference]: With dead ends: 1667 [2024-11-19 17:15:49,256 INFO L226 Difference]: Without dead ends: 1623 [2024-11-19 17:15:49,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:15:49,258 INFO L432 NwaCegarLoop]: 985 mSDtfsCounter, 1026 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:49,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1746 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 17:15:49,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2024-11-19 17:15:49,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1606. [2024-11-19 17:15:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1295 states have (on average 1.4486486486486487) internal successors, (1876), 1292 states have internal predecessors, (1876), 224 states have call successors, (224), 80 states have call predecessors, (224), 86 states have return successors, (294), 233 states have call predecessors, (294), 216 states have call successors, (294) [2024-11-19 17:15:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2394 transitions. [2024-11-19 17:15:49,370 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2394 transitions. Word has length 37 [2024-11-19 17:15:49,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:49,370 INFO L471 AbstractCegarLoop]: Abstraction has 1606 states and 2394 transitions. [2024-11-19 17:15:49,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:49,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2394 transitions. [2024-11-19 17:15:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 17:15:49,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:49,372 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:49,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 17:15:49,372 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:49,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:49,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1117000761, now seen corresponding path program 1 times [2024-11-19 17:15:49,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:49,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179509654] [2024-11-19 17:15:49,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:49,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:49,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:49,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:49,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179509654] [2024-11-19 17:15:49,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179509654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:49,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:49,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 17:15:49,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076559618] [2024-11-19 17:15:49,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:49,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 17:15:49,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:49,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 17:15:49,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 17:15:49,562 INFO L87 Difference]: Start difference. First operand 1606 states and 2394 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:50,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:50,187 INFO L93 Difference]: Finished difference Result 1917 states and 2849 transitions. [2024-11-19 17:15:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 17:15:50,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-19 17:15:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:50,198 INFO L225 Difference]: With dead ends: 1917 [2024-11-19 17:15:50,199 INFO L226 Difference]: Without dead ends: 1908 [2024-11-19 17:15:50,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:15:50,201 INFO L432 NwaCegarLoop]: 1324 mSDtfsCounter, 1275 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 2094 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:50,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 2094 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 17:15:50,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-11-19 17:15:50,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1646. [2024-11-19 17:15:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 1332 states have (on average 1.4406906906906907) internal successors, (1919), 1322 states have internal predecessors, (1919), 224 states have call successors, (224), 80 states have call predecessors, (224), 89 states have return successors, (305), 243 states have call predecessors, (305), 216 states have call successors, (305) [2024-11-19 17:15:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2448 transitions. [2024-11-19 17:15:50,292 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2448 transitions. Word has length 39 [2024-11-19 17:15:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:50,293 INFO L471 AbstractCegarLoop]: Abstraction has 1646 states and 2448 transitions. [2024-11-19 17:15:50,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2448 transitions. [2024-11-19 17:15:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 17:15:50,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:50,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:50,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 17:15:50,296 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:50,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:50,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1117277591, now seen corresponding path program 1 times [2024-11-19 17:15:50,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415266792] [2024-11-19 17:15:50,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:50,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:50,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:50,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:50,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415266792] [2024-11-19 17:15:50,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415266792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:50,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:50,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 17:15:50,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762537921] [2024-11-19 17:15:50,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:50,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 17:15:50,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:50,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 17:15:50,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:50,419 INFO L87 Difference]: Start difference. First operand 1646 states and 2448 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:50,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:50,530 INFO L93 Difference]: Finished difference Result 2268 states and 3355 transitions. [2024-11-19 17:15:50,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 17:15:50,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-19 17:15:50,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:50,542 INFO L225 Difference]: With dead ends: 2268 [2024-11-19 17:15:50,543 INFO L226 Difference]: Without dead ends: 2240 [2024-11-19 17:15:50,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:50,545 INFO L432 NwaCegarLoop]: 993 mSDtfsCounter, 980 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1372 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:50,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 1372 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 17:15:50,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2024-11-19 17:15:50,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2203. [2024-11-19 17:15:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2203 states, 1779 states have (on average 1.4485666104553119) internal successors, (2577), 1775 states have internal predecessors, (2577), 294 states have call successors, (294), 114 states have call predecessors, (294), 129 states have return successors, (396), 313 states have call predecessors, (396), 286 states have call successors, (396) [2024-11-19 17:15:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 3267 transitions. [2024-11-19 17:15:50,670 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 3267 transitions. Word has length 39 [2024-11-19 17:15:50,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:50,670 INFO L471 AbstractCegarLoop]: Abstraction has 2203 states and 3267 transitions. [2024-11-19 17:15:50,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:50,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 3267 transitions. [2024-11-19 17:15:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 17:15:50,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:50,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:50,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 17:15:50,674 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:50,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:50,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1131622500, now seen corresponding path program 1 times [2024-11-19 17:15:50,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:50,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470533295] [2024-11-19 17:15:50,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:50,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:50,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470533295] [2024-11-19 17:15:50,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470533295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:50,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:50,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 17:15:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069598075] [2024-11-19 17:15:50,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:50,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 17:15:50,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:50,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 17:15:50,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:50,775 INFO L87 Difference]: Start difference. First operand 2203 states and 3267 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:51,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:51,018 INFO L93 Difference]: Finished difference Result 2733 states and 4052 transitions. [2024-11-19 17:15:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 17:15:51,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-19 17:15:51,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:51,033 INFO L225 Difference]: With dead ends: 2733 [2024-11-19 17:15:51,034 INFO L226 Difference]: Without dead ends: 2720 [2024-11-19 17:15:51,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 17:15:51,035 INFO L432 NwaCegarLoop]: 1339 mSDtfsCounter, 369 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 2283 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:51,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 2283 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 17:15:51,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2024-11-19 17:15:51,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2200. [2024-11-19 17:15:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2200 states, 1776 states have (on average 1.447072072072072) internal successors, (2570), 1772 states have internal predecessors, (2570), 294 states have call successors, (294), 114 states have call predecessors, (294), 129 states have return successors, (396), 313 states have call predecessors, (396), 286 states have call successors, (396) [2024-11-19 17:15:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 3260 transitions. [2024-11-19 17:15:51,214 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 3260 transitions. Word has length 39 [2024-11-19 17:15:51,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:51,214 INFO L471 AbstractCegarLoop]: Abstraction has 2200 states and 3260 transitions. [2024-11-19 17:15:51,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:51,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 3260 transitions. [2024-11-19 17:15:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 17:15:51,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:51,216 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:51,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 17:15:51,217 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:51,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:51,217 INFO L85 PathProgramCache]: Analyzing trace with hash -557633380, now seen corresponding path program 1 times [2024-11-19 17:15:51,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:51,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756380931] [2024-11-19 17:15:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:51,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:51,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:51,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:51,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756380931] [2024-11-19 17:15:51,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756380931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:51,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:51,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 17:15:51,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410886520] [2024-11-19 17:15:51,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:51,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 17:15:51,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:51,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 17:15:51,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 17:15:51,352 INFO L87 Difference]: Start difference. First operand 2200 states and 3260 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:51,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:51,860 INFO L93 Difference]: Finished difference Result 2230 states and 3292 transitions. [2024-11-19 17:15:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 17:15:51,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-19 17:15:51,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:51,872 INFO L225 Difference]: With dead ends: 2230 [2024-11-19 17:15:51,873 INFO L226 Difference]: Without dead ends: 2183 [2024-11-19 17:15:51,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:15:51,875 INFO L432 NwaCegarLoop]: 984 mSDtfsCounter, 1005 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:51,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 1745 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 17:15:51,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-11-19 17:15:52,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2181. [2024-11-19 17:15:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1759 states have (on average 1.4491188175099488) internal successors, (2549), 1762 states have internal predecessors, (2549), 294 states have call successors, (294), 114 states have call predecessors, (294), 127 states have return successors, (386), 304 states have call predecessors, (386), 286 states have call successors, (386) [2024-11-19 17:15:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 3229 transitions. [2024-11-19 17:15:52,057 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 3229 transitions. Word has length 39 [2024-11-19 17:15:52,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:52,058 INFO L471 AbstractCegarLoop]: Abstraction has 2181 states and 3229 transitions. [2024-11-19 17:15:52,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 3229 transitions. [2024-11-19 17:15:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 17:15:52,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:52,059 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:52,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 17:15:52,060 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:52,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:52,060 INFO L85 PathProgramCache]: Analyzing trace with hash -267383375, now seen corresponding path program 1 times [2024-11-19 17:15:52,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:52,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684038329] [2024-11-19 17:15:52,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:52,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:52,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:52,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684038329] [2024-11-19 17:15:52,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684038329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:52,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:52,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 17:15:52,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964639205] [2024-11-19 17:15:52,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:52,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 17:15:52,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:52,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 17:15:52,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 17:15:52,246 INFO L87 Difference]: Start difference. First operand 2181 states and 3229 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:52,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:52,425 INFO L93 Difference]: Finished difference Result 2193 states and 3241 transitions. [2024-11-19 17:15:52,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 17:15:52,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-11-19 17:15:52,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:52,438 INFO L225 Difference]: With dead ends: 2193 [2024-11-19 17:15:52,438 INFO L226 Difference]: Without dead ends: 2165 [2024-11-19 17:15:52,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 17:15:52,442 INFO L432 NwaCegarLoop]: 991 mSDtfsCounter, 1 mSDsluCounter, 3913 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4904 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:52,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4904 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 17:15:52,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2024-11-19 17:15:52,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 2165. [2024-11-19 17:15:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2165 states, 1743 states have (on average 1.4515203671830177) internal successors, (2530), 1746 states have internal predecessors, (2530), 294 states have call successors, (294), 114 states have call predecessors, (294), 127 states have return successors, (386), 304 states have call predecessors, (386), 286 states have call successors, (386) [2024-11-19 17:15:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 3210 transitions. [2024-11-19 17:15:52,575 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 3210 transitions. Word has length 40 [2024-11-19 17:15:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:52,575 INFO L471 AbstractCegarLoop]: Abstraction has 2165 states and 3210 transitions. [2024-11-19 17:15:52,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 17:15:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 3210 transitions. [2024-11-19 17:15:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 17:15:52,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:52,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:52,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 17:15:52,577 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:52,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:52,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1783653533, now seen corresponding path program 1 times [2024-11-19 17:15:52,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:52,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283990628] [2024-11-19 17:15:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:52,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:52,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-19 17:15:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:52,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:52,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283990628] [2024-11-19 17:15:52,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283990628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:52,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:52,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 17:15:52,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810229833] [2024-11-19 17:15:52,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:52,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 17:15:52,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:52,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 17:15:52,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:15:52,810 INFO L87 Difference]: Start difference. First operand 2165 states and 3210 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 17:15:56,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:56,213 INFO L93 Difference]: Finished difference Result 3046 states and 4437 transitions. [2024-11-19 17:15:56,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 17:15:56,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2024-11-19 17:15:56,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:56,222 INFO L225 Difference]: With dead ends: 3046 [2024-11-19 17:15:56,222 INFO L226 Difference]: Without dead ends: 1390 [2024-11-19 17:15:56,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 17:15:56,226 INFO L432 NwaCegarLoop]: 952 mSDtfsCounter, 800 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:56,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 2695 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-19 17:15:56,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2024-11-19 17:15:56,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1240. [2024-11-19 17:15:56,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1004 states have (on average 1.4292828685258965) internal successors, (1435), 1010 states have internal predecessors, (1435), 164 states have call successors, (164), 64 states have call predecessors, (164), 71 states have return successors, (209), 165 states have call predecessors, (209), 156 states have call successors, (209) [2024-11-19 17:15:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1808 transitions. [2024-11-19 17:15:56,307 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1808 transitions. Word has length 45 [2024-11-19 17:15:56,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:56,308 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1808 transitions. [2024-11-19 17:15:56,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 17:15:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1808 transitions. [2024-11-19 17:15:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 17:15:56,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:56,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:56,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 17:15:56,310 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:56,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:56,311 INFO L85 PathProgramCache]: Analyzing trace with hash -122715462, now seen corresponding path program 1 times [2024-11-19 17:15:56,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:56,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954369461] [2024-11-19 17:15:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:56,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:56,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-19 17:15:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:56,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:56,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954369461] [2024-11-19 17:15:56,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954369461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:56,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:56,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 17:15:56,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949988422] [2024-11-19 17:15:56,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:56,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 17:15:56,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:56,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 17:15:56,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 17:15:56,454 INFO L87 Difference]: Start difference. First operand 1240 states and 1808 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 17:15:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:15:59,244 INFO L93 Difference]: Finished difference Result 1881 states and 2739 transitions. [2024-11-19 17:15:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 17:15:59,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2024-11-19 17:15:59,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:15:59,258 INFO L225 Difference]: With dead ends: 1881 [2024-11-19 17:15:59,258 INFO L226 Difference]: Without dead ends: 1217 [2024-11-19 17:15:59,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:15:59,261 INFO L432 NwaCegarLoop]: 855 mSDtfsCounter, 995 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-19 17:15:59,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 1429 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-19 17:15:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-19 17:15:59,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1172. [2024-11-19 17:15:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 943 states have (on average 1.4241781548250265) internal successors, (1343), 947 states have internal predecessors, (1343), 161 states have call successors, (161), 63 states have call predecessors, (161), 67 states have return successors, (205), 161 states have call predecessors, (205), 155 states have call successors, (205) [2024-11-19 17:15:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1709 transitions. [2024-11-19 17:15:59,357 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1709 transitions. Word has length 46 [2024-11-19 17:15:59,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:15:59,357 INFO L471 AbstractCegarLoop]: Abstraction has 1172 states and 1709 transitions. [2024-11-19 17:15:59,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 17:15:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1709 transitions. [2024-11-19 17:15:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 17:15:59,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:15:59,360 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:15:59,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 17:15:59,360 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:15:59,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:15:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1476260573, now seen corresponding path program 1 times [2024-11-19 17:15:59,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:15:59,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488757094] [2024-11-19 17:15:59,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:15:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:15:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:59,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 17:15:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:59,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 17:15:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:15:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:15:59,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:15:59,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488757094] [2024-11-19 17:15:59,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488757094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:15:59,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:15:59,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 17:15:59,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244575384] [2024-11-19 17:15:59,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:15:59,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 17:15:59,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:15:59,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 17:15:59,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:15:59,485 INFO L87 Difference]: Start difference. First operand 1172 states and 1709 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 17:16:02,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:02,016 INFO L93 Difference]: Finished difference Result 1233 states and 1806 transitions. [2024-11-19 17:16:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 17:16:02,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-19 17:16:02,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:02,031 INFO L225 Difference]: With dead ends: 1233 [2024-11-19 17:16:02,032 INFO L226 Difference]: Without dead ends: 1205 [2024-11-19 17:16:02,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 17:16:02,034 INFO L432 NwaCegarLoop]: 790 mSDtfsCounter, 357 mSDsluCounter, 1848 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:02,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 2638 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 17:16:02,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2024-11-19 17:16:02,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1136. [2024-11-19 17:16:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 916 states have (on average 1.4246724890829694) internal successors, (1305), 923 states have internal predecessors, (1305), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-19 17:16:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1673 transitions. [2024-11-19 17:16:02,205 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1673 transitions. Word has length 49 [2024-11-19 17:16:02,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:02,205 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1673 transitions. [2024-11-19 17:16:02,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 17:16:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1673 transitions. [2024-11-19 17:16:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 17:16:02,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:02,209 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:16:02,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 17:16:02,209 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:02,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:02,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1898962399, now seen corresponding path program 1 times [2024-11-19 17:16:02,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:02,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483474786] [2024-11-19 17:16:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:02,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:02,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 17:16:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:02,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 17:16:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:16:02,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:02,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483474786] [2024-11-19 17:16:02,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483474786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:16:02,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:16:02,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 17:16:02,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143149167] [2024-11-19 17:16:02,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:16:02,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 17:16:02,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:02,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 17:16:02,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:16:02,383 INFO L87 Difference]: Start difference. First operand 1136 states and 1673 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 17:16:05,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:05,346 INFO L93 Difference]: Finished difference Result 1177 states and 1731 transitions. [2024-11-19 17:16:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 17:16:05,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 49 [2024-11-19 17:16:05,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:05,356 INFO L225 Difference]: With dead ends: 1177 [2024-11-19 17:16:05,357 INFO L226 Difference]: Without dead ends: 1170 [2024-11-19 17:16:05,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 17:16:05,362 INFO L432 NwaCegarLoop]: 788 mSDtfsCounter, 331 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 2680 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:05,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 2680 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-19 17:16:05,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2024-11-19 17:16:05,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1148. [2024-11-19 17:16:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 928 states have (on average 1.4213362068965518) internal successors, (1319), 935 states have internal predecessors, (1319), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-19 17:16:05,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1687 transitions. [2024-11-19 17:16:05,479 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1687 transitions. Word has length 49 [2024-11-19 17:16:05,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:05,479 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1687 transitions. [2024-11-19 17:16:05,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 17:16:05,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1687 transitions. [2024-11-19 17:16:05,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 17:16:05,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:05,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:16:05,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 17:16:05,482 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:05,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:05,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1252930193, now seen corresponding path program 1 times [2024-11-19 17:16:05,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:05,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537001347] [2024-11-19 17:16:05,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:05,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:05,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 17:16:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:05,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 17:16:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:16:05,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:05,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537001347] [2024-11-19 17:16:05,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537001347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:16:05,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:16:05,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 17:16:05,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245972769] [2024-11-19 17:16:05,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:16:05,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 17:16:05,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:05,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 17:16:05,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 17:16:05,712 INFO L87 Difference]: Start difference. First operand 1148 states and 1687 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 17:16:08,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:08,283 INFO L93 Difference]: Finished difference Result 1177 states and 1727 transitions. [2024-11-19 17:16:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 17:16:08,284 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2024-11-19 17:16:08,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:08,292 INFO L225 Difference]: With dead ends: 1177 [2024-11-19 17:16:08,292 INFO L226 Difference]: Without dead ends: 1172 [2024-11-19 17:16:08,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-19 17:16:08,293 INFO L432 NwaCegarLoop]: 787 mSDtfsCounter, 1231 mSDsluCounter, 2423 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 3210 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:08,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 3210 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 17:16:08,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2024-11-19 17:16:08,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1148. [2024-11-19 17:16:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 928 states have (on average 1.4202586206896552) internal successors, (1318), 935 states have internal predecessors, (1318), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-19 17:16:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1686 transitions. [2024-11-19 17:16:08,403 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1686 transitions. Word has length 50 [2024-11-19 17:16:08,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:08,404 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1686 transitions. [2024-11-19 17:16:08,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 17:16:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1686 transitions. [2024-11-19 17:16:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 17:16:08,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:08,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:16:08,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 17:16:08,407 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:08,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:08,407 INFO L85 PathProgramCache]: Analyzing trace with hash -461622303, now seen corresponding path program 1 times [2024-11-19 17:16:08,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:08,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813848135] [2024-11-19 17:16:08,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:08,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:08,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 17:16:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:08,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 17:16:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:16:08,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:08,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813848135] [2024-11-19 17:16:08,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813848135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:16:08,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:16:08,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 17:16:08,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662146164] [2024-11-19 17:16:08,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:16:08,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 17:16:08,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:08,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 17:16:08,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:16:08,551 INFO L87 Difference]: Start difference. First operand 1148 states and 1686 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 17:16:10,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:10,064 INFO L93 Difference]: Finished difference Result 2318 states and 3410 transitions. [2024-11-19 17:16:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 17:16:10,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 51 [2024-11-19 17:16:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:10,069 INFO L225 Difference]: With dead ends: 2318 [2024-11-19 17:16:10,069 INFO L226 Difference]: Without dead ends: 1174 [2024-11-19 17:16:10,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 17:16:10,074 INFO L432 NwaCegarLoop]: 787 mSDtfsCounter, 304 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:10,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 2709 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 17:16:10,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-19 17:16:10,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1151. [2024-11-19 17:16:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 931 states have (on average 1.41890440386681) internal successors, (1321), 938 states have internal predecessors, (1321), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-19 17:16:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1689 transitions. [2024-11-19 17:16:10,158 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1689 transitions. Word has length 51 [2024-11-19 17:16:10,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:10,158 INFO L471 AbstractCegarLoop]: Abstraction has 1151 states and 1689 transitions. [2024-11-19 17:16:10,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 17:16:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1689 transitions. [2024-11-19 17:16:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 17:16:10,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:10,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:16:10,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 17:16:10,161 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:10,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:10,162 INFO L85 PathProgramCache]: Analyzing trace with hash 848257243, now seen corresponding path program 1 times [2024-11-19 17:16:10,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:10,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750779508] [2024-11-19 17:16:10,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:10,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:10,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 17:16:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 17:16:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 17:16:10,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:10,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750779508] [2024-11-19 17:16:10,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750779508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 17:16:10,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811218] [2024-11-19 17:16:10,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:10,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 17:16:10,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 17:16:10,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 17:16:10,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 17:16:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:10,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 17:16:10,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 17:16:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 17:16:10,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 17:16:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 17:16:10,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811218] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 17:16:10,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 17:16:10,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2024-11-19 17:16:10,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994032750] [2024-11-19 17:16:10,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 17:16:10,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 17:16:10,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:10,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 17:16:11,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-19 17:16:11,000 INFO L87 Difference]: Start difference. First operand 1151 states and 1689 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 17:16:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:13,745 INFO L93 Difference]: Finished difference Result 2331 states and 3427 transitions. [2024-11-19 17:16:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 17:16:13,745 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2024-11-19 17:16:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:13,750 INFO L225 Difference]: With dead ends: 2331 [2024-11-19 17:16:13,750 INFO L226 Difference]: Without dead ends: 1185 [2024-11-19 17:16:13,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 17:16:13,754 INFO L432 NwaCegarLoop]: 785 mSDtfsCounter, 317 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 3417 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:13,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 3417 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-19 17:16:13,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-19 17:16:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1161. [2024-11-19 17:16:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 941 states have (on average 1.414452709883103) internal successors, (1331), 948 states have internal predecessors, (1331), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-19 17:16:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1699 transitions. [2024-11-19 17:16:13,841 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1699 transitions. Word has length 57 [2024-11-19 17:16:13,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:13,841 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1699 transitions. [2024-11-19 17:16:13,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 17:16:13,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1699 transitions. [2024-11-19 17:16:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 17:16:13,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:13,845 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-19 17:16:13,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 17:16:14,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 17:16:14,046 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:14,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:14,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1278278319, now seen corresponding path program 2 times [2024-11-19 17:16:14,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:14,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25696586] [2024-11-19 17:16:14,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:14,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:14,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-19 17:16:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:14,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-19 17:16:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-19 17:16:14,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:14,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25696586] [2024-11-19 17:16:14,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25696586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 17:16:14,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013424473] [2024-11-19 17:16:14,318 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 17:16:14,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 17:16:14,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 17:16:14,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 17:16:14,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 17:16:14,878 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 17:16:14,878 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 17:16:14,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 17:16:14,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 17:16:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 17:16:14,927 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 17:16:14,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013424473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:16:14,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 17:16:14,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-19 17:16:14,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215885163] [2024-11-19 17:16:14,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:16:14,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 17:16:14,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:14,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 17:16:14,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 17:16:14,930 INFO L87 Difference]: Start difference. First operand 1161 states and 1699 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 17:16:15,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:15,037 INFO L93 Difference]: Finished difference Result 1987 states and 2952 transitions. [2024-11-19 17:16:15,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 17:16:15,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2024-11-19 17:16:15,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:15,042 INFO L225 Difference]: With dead ends: 1987 [2024-11-19 17:16:15,042 INFO L226 Difference]: Without dead ends: 1166 [2024-11-19 17:16:15,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 17:16:15,045 INFO L432 NwaCegarLoop]: 961 mSDtfsCounter, 0 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:15,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2877 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 17:16:15,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2024-11-19 17:16:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1166. [2024-11-19 17:16:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 946 states have (on average 1.412262156448203) internal successors, (1336), 953 states have internal predecessors, (1336), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-19 17:16:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1704 transitions. [2024-11-19 17:16:15,154 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1704 transitions. Word has length 67 [2024-11-19 17:16:15,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:15,154 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1704 transitions. [2024-11-19 17:16:15,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 17:16:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1704 transitions. [2024-11-19 17:16:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 17:16:15,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:15,156 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-19 17:16:15,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 17:16:15,357 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,SelfDestructingSolverStorable20 [2024-11-19 17:16:15,357 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:15,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:15,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1306237122, now seen corresponding path program 1 times [2024-11-19 17:16:15,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:15,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525932730] [2024-11-19 17:16:15,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 17:16:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 17:16:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 17:16:15,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:15,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525932730] [2024-11-19 17:16:15,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525932730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:16:15,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:16:15,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 17:16:15,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680236906] [2024-11-19 17:16:15,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:16:15,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 17:16:15,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:15,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 17:16:15,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 17:16:15,521 INFO L87 Difference]: Start difference. First operand 1166 states and 1704 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 17:16:18,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:18,075 INFO L93 Difference]: Finished difference Result 1812 states and 2633 transitions. [2024-11-19 17:16:18,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 17:16:18,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 69 [2024-11-19 17:16:18,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:18,080 INFO L225 Difference]: With dead ends: 1812 [2024-11-19 17:16:18,080 INFO L226 Difference]: Without dead ends: 1287 [2024-11-19 17:16:18,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-19 17:16:18,082 INFO L432 NwaCegarLoop]: 884 mSDtfsCounter, 678 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:18,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2638 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 17:16:18,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-19 17:16:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1166. [2024-11-19 17:16:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 946 states have (on average 1.4112050739957718) internal successors, (1335), 953 states have internal predecessors, (1335), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-19 17:16:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1703 transitions. [2024-11-19 17:16:18,160 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1703 transitions. Word has length 69 [2024-11-19 17:16:18,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:18,161 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1703 transitions. [2024-11-19 17:16:18,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 17:16:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1703 transitions. [2024-11-19 17:16:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 17:16:18,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:18,163 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-19 17:16:18,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 17:16:18,163 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:18,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:18,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1249239721, now seen corresponding path program 1 times [2024-11-19 17:16:18,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:18,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065342750] [2024-11-19 17:16:18,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:18,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:18,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-19 17:16:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 17:16:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 17:16:18,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:18,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065342750] [2024-11-19 17:16:18,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065342750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:16:18,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:16:18,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-19 17:16:18,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961391192] [2024-11-19 17:16:18,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:16:18,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 17:16:18,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:18,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 17:16:18,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-19 17:16:18,622 INFO L87 Difference]: Start difference. First operand 1166 states and 1703 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 17:16:23,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:23,390 INFO L93 Difference]: Finished difference Result 1212 states and 1770 transitions. [2024-11-19 17:16:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 17:16:23,391 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67 [2024-11-19 17:16:23,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:23,396 INFO L225 Difference]: With dead ends: 1212 [2024-11-19 17:16:23,396 INFO L226 Difference]: Without dead ends: 1197 [2024-11-19 17:16:23,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-19 17:16:23,398 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 216 mSDsluCounter, 5785 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 6623 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:23,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 6623 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1997 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-19 17:16:23,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-19 17:16:23,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1164. [2024-11-19 17:16:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 945 states have (on average 1.4105820105820106) internal successors, (1333), 952 states have internal predecessors, (1333), 155 states have call successors, (155), 58 states have call predecessors, (155), 63 states have return successors, (211), 153 states have call predecessors, (211), 149 states have call successors, (211) [2024-11-19 17:16:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1699 transitions. [2024-11-19 17:16:23,491 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1699 transitions. Word has length 67 [2024-11-19 17:16:23,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:23,491 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1699 transitions. [2024-11-19 17:16:23,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 17:16:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1699 transitions. [2024-11-19 17:16:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 17:16:23,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:23,494 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-19 17:16:23,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 17:16:23,494 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:23,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:23,495 INFO L85 PathProgramCache]: Analyzing trace with hash 208419212, now seen corresponding path program 1 times [2024-11-19 17:16:23,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:23,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330811618] [2024-11-19 17:16:23,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:23,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:23,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-19 17:16:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:23,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-19 17:16:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 17:16:23,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:23,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330811618] [2024-11-19 17:16:23,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330811618] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 17:16:23,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715005782] [2024-11-19 17:16:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:23,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 17:16:23,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 17:16:23,731 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 17:16:23,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 17:16:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:24,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 17:16:24,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 17:16:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 17:16:24,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 17:16:24,494 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 17:16:24,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715005782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 17:16:24,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 17:16:24,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-19 17:16:24,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470261050] [2024-11-19 17:16:24,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 17:16:24,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 17:16:24,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:24,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 17:16:24,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-19 17:16:24,497 INFO L87 Difference]: Start difference. First operand 1164 states and 1699 transitions. Second operand has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 13 states have internal predecessors, (92), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 17:16:28,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:28,676 INFO L93 Difference]: Finished difference Result 2354 states and 3443 transitions. [2024-11-19 17:16:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 17:16:28,676 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 13 states have internal predecessors, (92), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 68 [2024-11-19 17:16:28,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:28,680 INFO L225 Difference]: With dead ends: 2354 [2024-11-19 17:16:28,680 INFO L226 Difference]: Without dead ends: 1197 [2024-11-19 17:16:28,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-11-19 17:16:28,684 INFO L432 NwaCegarLoop]: 781 mSDtfsCounter, 348 mSDsluCounter, 5466 mSDsCounter, 0 mSdLazyCounter, 2135 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 6247 SdHoareTripleChecker+Invalid, 2399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 2135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:28,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 6247 Invalid, 2399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 2135 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-19 17:16:28,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-19 17:16:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1188. [2024-11-19 17:16:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 969 states have (on average 1.4004127966976265) internal successors, (1357), 976 states have internal predecessors, (1357), 155 states have call successors, (155), 58 states have call predecessors, (155), 63 states have return successors, (211), 153 states have call predecessors, (211), 149 states have call successors, (211) [2024-11-19 17:16:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1723 transitions. [2024-11-19 17:16:28,782 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1723 transitions. Word has length 68 [2024-11-19 17:16:28,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:28,782 INFO L471 AbstractCegarLoop]: Abstraction has 1188 states and 1723 transitions. [2024-11-19 17:16:28,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 13 states have internal predecessors, (92), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 17:16:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1723 transitions. [2024-11-19 17:16:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 17:16:28,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:28,787 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:16:28,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 17:16:28,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 17:16:28,991 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:28,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:28,992 INFO L85 PathProgramCache]: Analyzing trace with hash 992620644, now seen corresponding path program 2 times [2024-11-19 17:16:28,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:28,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631665017] [2024-11-19 17:16:28,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:28,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 17:16:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 17:16:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-19 17:16:29,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:29,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631665017] [2024-11-19 17:16:29,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631665017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 17:16:29,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919321652] [2024-11-19 17:16:29,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 17:16:29,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 17:16:29,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 17:16:29,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 17:16:29,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 17:16:30,343 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 17:16:30,343 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 17:16:30,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 17:16:30,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 17:16:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-19 17:16:30,392 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 17:16:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-19 17:16:30,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919321652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 17:16:30,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 17:16:30,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17 [2024-11-19 17:16:30,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447584194] [2024-11-19 17:16:30,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 17:16:30,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 17:16:30,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:30,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 17:16:30,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-19 17:16:30,558 INFO L87 Difference]: Start difference. First operand 1188 states and 1723 transitions. Second operand has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 15 states have internal predecessors, (84), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 17:16:35,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 17:16:36,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:36,170 INFO L93 Difference]: Finished difference Result 2391 states and 3477 transitions. [2024-11-19 17:16:36,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 17:16:36,170 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 15 states have internal predecessors, (84), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 92 [2024-11-19 17:16:36,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:36,175 INFO L225 Difference]: With dead ends: 2391 [2024-11-19 17:16:36,175 INFO L226 Difference]: Without dead ends: 1216 [2024-11-19 17:16:36,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2024-11-19 17:16:36,179 INFO L432 NwaCegarLoop]: 782 mSDtfsCounter, 394 mSDsluCounter, 6179 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 6961 SdHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:36,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 6961 Invalid, 2817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-19 17:16:36,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-11-19 17:16:36,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1208. [2024-11-19 17:16:36,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 989 states have (on average 1.3923154701718907) internal successors, (1377), 996 states have internal predecessors, (1377), 155 states have call successors, (155), 58 states have call predecessors, (155), 63 states have return successors, (211), 153 states have call predecessors, (211), 149 states have call successors, (211) [2024-11-19 17:16:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1743 transitions. [2024-11-19 17:16:36,277 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1743 transitions. Word has length 92 [2024-11-19 17:16:36,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:36,278 INFO L471 AbstractCegarLoop]: Abstraction has 1208 states and 1743 transitions. [2024-11-19 17:16:36,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 15 states have internal predecessors, (84), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 17:16:36,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1743 transitions. [2024-11-19 17:16:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 17:16:36,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:36,282 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:16:36,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 17:16:36,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 17:16:36,483 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:36,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:36,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1222525240, now seen corresponding path program 3 times [2024-11-19 17:16:36,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:36,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102805779] [2024-11-19 17:16:36,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:36,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:37,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 17:16:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 17:16:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-19 17:16:37,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:37,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102805779] [2024-11-19 17:16:37,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102805779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 17:16:37,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347146147] [2024-11-19 17:16:37,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 17:16:37,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 17:16:37,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 17:16:37,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 17:16:37,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 17:16:38,012 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 17:16:38,012 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 17:16:38,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 17:16:38,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 17:16:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-19 17:16:38,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 17:16:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-19 17:16:38,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347146147] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 17:16:38,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 17:16:38,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 23 [2024-11-19 17:16:38,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503113322] [2024-11-19 17:16:38,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 17:16:38,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 17:16:38,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:38,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 17:16:38,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-11-19 17:16:38,149 INFO L87 Difference]: Start difference. First operand 1208 states and 1743 transitions. Second operand has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 21 states have internal predecessors, (110), 2 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 17:16:46,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 17:16:46,043 INFO L93 Difference]: Finished difference Result 2442 states and 3542 transitions. [2024-11-19 17:16:46,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-19 17:16:46,043 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 21 states have internal predecessors, (110), 2 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 112 [2024-11-19 17:16:46,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 17:16:46,048 INFO L225 Difference]: With dead ends: 2442 [2024-11-19 17:16:46,049 INFO L226 Difference]: Without dead ends: 1249 [2024-11-19 17:16:46,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=906, Unknown=0, NotChecked=0, Total=1056 [2024-11-19 17:16:46,052 INFO L432 NwaCegarLoop]: 781 mSDtfsCounter, 345 mSDsluCounter, 10458 mSDsCounter, 0 mSdLazyCounter, 5082 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 11239 SdHoareTripleChecker+Invalid, 5347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 5082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-19 17:16:46,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 11239 Invalid, 5347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 5082 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-11-19 17:16:46,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2024-11-19 17:16:46,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1241. [2024-11-19 17:16:46,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1021 states have (on average 1.3829578844270323) internal successors, (1412), 1028 states have internal predecessors, (1412), 155 states have call successors, (155), 59 states have call predecessors, (155), 64 states have return successors, (211), 153 states have call predecessors, (211), 149 states have call successors, (211) [2024-11-19 17:16:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1778 transitions. [2024-11-19 17:16:46,201 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1778 transitions. Word has length 112 [2024-11-19 17:16:46,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 17:16:46,202 INFO L471 AbstractCegarLoop]: Abstraction has 1241 states and 1778 transitions. [2024-11-19 17:16:46,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 21 states have internal predecessors, (110), 2 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 17:16:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1778 transitions. [2024-11-19 17:16:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-19 17:16:46,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 17:16:46,205 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 17:16:46,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 17:16:46,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 17:16:46,406 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 17:16:46,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 17:16:46,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1929207604, now seen corresponding path program 1 times [2024-11-19 17:16:46,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 17:16:46,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469878241] [2024-11-19 17:16:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 17:16:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 17:16:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:46,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 17:16:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 17:16:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 17:16:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2024-11-19 17:16:46,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 17:16:46,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469878241] [2024-11-19 17:16:46,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469878241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 17:16:46,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 17:16:46,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-19 17:16:46,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645269134] [2024-11-19 17:16:46,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 17:16:46,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 17:16:46,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 17:16:46,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 17:16:46,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-19 17:16:46,961 INFO L87 Difference]: Start difference. First operand 1241 states and 1778 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)