./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 09:34:29,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 09:34:29,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 09:34:29,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 09:34:29,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 09:34:29,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 09:34:29,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 09:34:29,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 09:34:29,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 09:34:29,741 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 09:34:29,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 09:34:29,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 09:34:29,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 09:34:29,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 09:34:29,745 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 09:34:29,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 09:34:29,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 09:34:29,746 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 09:34:29,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 09:34:29,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 09:34:29,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 09:34:29,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 09:34:29,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 09:34:29,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 09:34:29,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 09:34:29,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 09:34:29,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 09:34:29,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 09:34:29,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 09:34:29,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 09:34:29,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 09:34:29,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 09:34:29,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 09:34:29,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 09:34:29,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 09:34:29,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 09:34:29,755 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 09:34:29,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 09:34:29,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 09:34:29,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 09:34:29,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 09:34:29,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 09:34:29,758 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 [2024-11-18 09:34:30,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 09:34:30,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 09:34:30,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 09:34:30,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 09:34:30,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 09:34:30,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2024-11-18 09:34:31,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 09:34:32,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 09:34:32,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2024-11-18 09:34:32,059 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6108952/4266c76d7a25459ea38a44285028d844/FLAG609c69c3b [2024-11-18 09:34:32,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6108952/4266c76d7a25459ea38a44285028d844 [2024-11-18 09:34:32,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 09:34:32,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 09:34:32,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 09:34:32,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 09:34:32,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 09:34:32,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:34:32" (1/1) ... [2024-11-18 09:34:32,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623ac44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:32, skipping insertion in model container [2024-11-18 09:34:32,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:34:32" (1/1) ... [2024-11-18 09:34:32,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 09:34:32,915 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] [2024-11-18 09:34:33,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 09:34:33,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 09:34:33,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [13] [2024-11-18 09:34:33,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [14] [2024-11-18 09:34:33,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [187] [2024-11-18 09:34:33,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [193] [2024-11-18 09:34:33,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [399] [2024-11-18 09:34:33,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [452] [2024-11-18 09:34:33,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [471] [2024-11-18 09:34:33,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [472] [2024-11-18 09:34:33,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1153] [2024-11-18 09:34:33,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1326] [2024-11-18 09:34:33,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1446] [2024-11-18 09:34:33,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1447] [2024-11-18 09:34:33,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(1) [2284] [2024-11-18 09:34:33,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack() [2285] [2024-11-18 09:34:33,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [2626] [2024-11-18 09:34:33,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2627] [2024-11-18 09:34:33,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2630] [2024-11-18 09:34:33,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2631] [2024-11-18 09:34:33,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2632] [2024-11-18 09:34:33,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2633] [2024-11-18 09:34:33,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [2634] [2024-11-18 09:34:33,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2635] [2024-11-18 09:34:33,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2642] [2024-11-18 09:34:33,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2643] [2024-11-18 09:34:33,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2644] [2024-11-18 09:34:33,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2645] [2024-11-18 09:34:33,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2646] [2024-11-18 09:34:33,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2651] [2024-11-18 09:34:33,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2652] [2024-11-18 09:34:33,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2681] [2024-11-18 09:34:33,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2682] [2024-11-18 09:34:33,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2683] [2024-11-18 09:34:33,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2690] [2024-11-18 09:34:33,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2691] [2024-11-18 09:34:33,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [2692] [2024-11-18 09:34:33,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [2693] [2024-11-18 09:34:33,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [2694] [2024-11-18 09:34:33,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2695] [2024-11-18 09:34:33,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2696] [2024-11-18 09:34:33,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2697] [2024-11-18 09:34:33,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2698] [2024-11-18 09:34:33,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2699] [2024-11-18 09:34:33,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2753] [2024-11-18 09:34:33,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2754] [2024-11-18 09:34:33,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2827] [2024-11-18 09:34:33,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2828] [2024-11-18 09:34:33,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2840] [2024-11-18 09:34:33,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2841] [2024-11-18 09:34:33,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [2910] [2024-11-18 09:34:33,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudioNECDeviceControl) [2911] [2024-11-18 09:34:33,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHitachiSendPauseCommand) [2912] [2024-11-18 09:34:33,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHitachiDeviceControl) [2913] [2024-11-18 09:34:33,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioDenonDeviceControl) [2914] [2024-11-18 09:34:33,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudio435DeviceControl) [2915] [2024-11-18 09:34:33,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudio535DeviceControl) [2916] [2024-11-18 09:34:33,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioPioneerDeviceControl) [2917] [2024-11-18 09:34:33,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudioPan533DeviceControl) [2918] [2024-11-18 09:34:33,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioAtapiDeviceControl) [2919] [2024-11-18 09:34:33,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioLionOpticsDeviceControl) [2920] [2024-11-18 09:34:33,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHPCdrDeviceControl) [2921] [2024-11-18 09:34:33,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,HpCdrProcessLastSession) [2922] [2024-11-18 09:34:33,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,HPCdrCompletion) [2923] [2024-11-18 09:34:33,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7517] [2024-11-18 09:34:33,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7518] [2024-11-18 09:34:33,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7519] [2024-11-18 09:34:33,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7520] [2024-11-18 09:34:33,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7521] [2024-11-18 09:34:33,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7522] [2024-11-18 09:34:33,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7523] [2024-11-18 09:34:33,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7524] [2024-11-18 09:34:33,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7525] [2024-11-18 09:34:33,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7526] [2024-11-18 09:34:33,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [7527] [2024-11-18 09:34:33,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [7528] [2024-11-18 09:34:33,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [7529] [2024-11-18 09:34:33,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7530] [2024-11-18 09:34:33,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7531] [2024-11-18 09:34:33,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7532] [2024-11-18 09:34:33,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7533] [2024-11-18 09:34:33,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7534] [2024-11-18 09:34:33,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7535] [2024-11-18 09:34:33,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7536] [2024-11-18 09:34:33,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [7537] [2024-11-18 09:34:33,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [7538] [2024-11-18 09:34:33,677 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] [2024-11-18 09:34:33,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 09:34:34,029 INFO L204 MainTranslator]: Completed translation [2024-11-18 09:34:34,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34 WrapperNode [2024-11-18 09:34:34,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 09:34:34,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 09:34:34,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 09:34:34,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 09:34:34,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,268 INFO L138 Inliner]: procedures = 120, calls = 2181, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2469 [2024-11-18 09:34:34,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 09:34:34,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 09:34:34,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 09:34:34,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 09:34:34,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,302 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,392 INFO L175 MemorySlicer]: Split 698 memory accesses to 14 slices as follows [2, 20, 1, 7, 13, 4, 113, 115, 2, 224, 111, 1, 84, 1]. 32 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 7, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0]. The 397 writes are split as follows [0, 4, 0, 0, 12, 0, 112, 11, 0, 118, 86, 1, 53, 0]. [2024-11-18 09:34:34,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 09:34:34,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 09:34:34,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 09:34:34,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 09:34:34,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (1/1) ... [2024-11-18 09:34:34,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 09:34:34,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:34:34,627 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) [2024-11-18 09:34:34,630 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 [2024-11-18 09:34:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-18 09:34:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-18 09:34:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 09:34:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 09:34:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 09:34:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 09:34:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-18 09:34:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-18 09:34:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-18 09:34:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-18 09:34:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-18 09:34:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-18 09:34:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-18 09:34:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-18 09:34:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-18 09:34:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-18 09:34:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-18 09:34:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-18 09:34:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-18 09:34:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-18 09:34:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-18 09:34:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-18 09:34:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-18 09:34:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-18 09:34:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-18 09:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-18 09:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-18 09:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-18 09:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-18 09:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-18 09:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-18 09:34:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-18 09:34:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-18 09:34:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2024-11-18 09:34:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2024-11-18 09:34:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 09:34:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 09:34:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 09:34:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 09:34:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-18 09:34:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-18 09:34:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2024-11-18 09:34:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2024-11-18 09:34:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2024-11-18 09:34:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2024-11-18 09:34:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-18 09:34:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-18 09:34:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-18 09:34:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-18 09:34:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-18 09:34:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-18 09:34:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-18 09:34:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-18 09:34:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-18 09:34:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-18 09:34:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-18 09:34:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-18 09:34:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-18 09:34:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-18 09:34:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-18 09:34:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-18 09:34:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-18 09:34:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-18 09:34:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-18 09:34:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-18 09:34:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2024-11-18 09:34:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-18 09:34:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2024-11-18 09:34:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2024-11-18 09:34:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-18 09:34:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-18 09:34:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-18 09:34:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-18 09:34:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-18 09:34:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-18 09:34:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-18 09:34:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-18 09:34:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-18 09:34:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-18 09:34:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-18 09:34:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 09:34:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-11-18 09:34:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-11-18 09:34:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-18 09:34:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-18 09:34:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-18 09:34:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-18 09:34:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-18 09:34:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2024-11-18 09:34:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2024-11-18 09:34:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2024-11-18 09:34:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2024-11-18 09:34:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 09:34:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-18 09:34:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-18 09:34:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2024-11-18 09:34:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-18 09:34:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2024-11-18 09:34:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-18 09:34:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2024-11-18 09:34:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2024-11-18 09:34:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 09:34:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 09:34:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2024-11-18 09:34:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2024-11-18 09:34:35,334 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 09:34:35,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 09:34:35,895 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:35,930 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2024-11-18 09:34:35,931 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2024-11-18 09:34:36,150 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:36,156 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2024-11-18 09:34:36,156 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2024-11-18 09:34:36,347 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:36,367 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2024-11-18 09:34:36,367 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-11-18 09:34:37,011 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:37,012 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:37,013 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:37,021 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:37,030 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:37,038 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-18 09:34:39,868 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##202: assume !false; [2024-11-18 09:34:39,868 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume false; [2024-11-18 09:34:39,868 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##600: assume !false; [2024-11-18 09:34:39,869 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0; [2024-11-18 09:34:39,869 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2024-11-18 09:34:39,869 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2024-11-18 09:34:39,869 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2024-11-18 09:34:39,869 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2024-11-18 09:34:39,869 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2024-11-18 09:34:39,869 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2024-11-18 09:34:39,870 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume !false; [2024-11-18 09:34:39,870 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##348: assume false; [2024-11-18 09:34:39,870 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##599: assume false; [2024-11-18 09:34:40,250 INFO L? ?]: Removed 899 outVars from TransFormulas that were not future-live. [2024-11-18 09:34:40,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 09:34:40,290 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 09:34:40,293 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-18 09:34:40,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:34:40 BoogieIcfgContainer [2024-11-18 09:34:40,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 09:34:40,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 09:34:40,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 09:34:40,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 09:34:40,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:34:32" (1/3) ... [2024-11-18 09:34:40,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d60f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:34:40, skipping insertion in model container [2024-11-18 09:34:40,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:34:34" (2/3) ... [2024-11-18 09:34:40,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d60f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:34:40, skipping insertion in model container [2024-11-18 09:34:40,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:34:40" (3/3) ... [2024-11-18 09:34:40,304 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2024-11-18 09:34:40,320 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 09:34:40,320 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 09:34:40,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 09:34:40,416 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;@6447bc60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 09:34:40,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 09:34:40,425 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) [2024-11-18 09:34:40,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-18 09:34:40,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:40,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:34:40,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:40,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:40,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1452259225, now seen corresponding path program 1 times [2024-11-18 09:34:40,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:40,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590660343] [2024-11-18 09:34:40,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:40,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:40,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:40,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590660343] [2024-11-18 09:34:40,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590660343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:40,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:40,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 09:34:40,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122354150] [2024-11-18 09:34:40,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:40,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 09:34:40,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:40,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 09:34:40,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 09:34:40,834 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) [2024-11-18 09:34:40,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:40,950 INFO L93 Difference]: Finished difference Result 1386 states and 2192 transitions. [2024-11-18 09:34:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 09:34:40,957 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 [2024-11-18 09:34:40,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:40,978 INFO L225 Difference]: With dead ends: 1386 [2024-11-18 09:34:40,978 INFO L226 Difference]: Without dead ends: 689 [2024-11-18 09:34:40,987 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 [2024-11-18 09:34:40,993 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 [2024-11-18 09:34:40,994 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] [2024-11-18 09:34:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-18 09:34:41,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2024-11-18 09:34:41,081 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) [2024-11-18 09:34:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1031 transitions. [2024-11-18 09:34:41,093 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1031 transitions. Word has length 19 [2024-11-18 09:34:41,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:41,094 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1031 transitions. [2024-11-18 09:34:41,094 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) [2024-11-18 09:34:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1031 transitions. [2024-11-18 09:34:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-18 09:34:41,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:41,095 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:34:41,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 09:34:41,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:41,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:41,097 INFO L85 PathProgramCache]: Analyzing trace with hash -147217445, now seen corresponding path program 1 times [2024-11-18 09:34:41,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:41,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006214998] [2024-11-18 09:34:41,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:41,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:41,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:41,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006214998] [2024-11-18 09:34:41,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006214998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:41,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:41,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:41,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160202565] [2024-11-18 09:34:41,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:41,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:41,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:41,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:41,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:41,280 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) [2024-11-18 09:34:41,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:41,404 INFO L93 Difference]: Finished difference Result 708 states and 1056 transitions. [2024-11-18 09:34:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:41,405 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 [2024-11-18 09:34:41,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:41,410 INFO L225 Difference]: With dead ends: 708 [2024-11-18 09:34:41,411 INFO L226 Difference]: Without dead ends: 689 [2024-11-18 09:34:41,412 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 [2024-11-18 09:34:41,413 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 [2024-11-18 09:34:41,414 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] [2024-11-18 09:34:41,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-18 09:34:41,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2024-11-18 09:34:41,452 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) [2024-11-18 09:34:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1030 transitions. [2024-11-18 09:34:41,458 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1030 transitions. Word has length 19 [2024-11-18 09:34:41,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:41,459 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1030 transitions. [2024-11-18 09:34:41,459 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) [2024-11-18 09:34:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1030 transitions. [2024-11-18 09:34:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-18 09:34:41,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:41,460 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] [2024-11-18 09:34:41,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 09:34:41,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:41,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:41,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1289158732, now seen corresponding path program 1 times [2024-11-18 09:34:41,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:41,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634224556] [2024-11-18 09:34:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:41,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:41,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634224556] [2024-11-18 09:34:41,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634224556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:41,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:41,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:41,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557435820] [2024-11-18 09:34:41,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:41,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:41,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:41,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:41,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:41,607 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) [2024-11-18 09:34:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:41,790 INFO L93 Difference]: Finished difference Result 1226 states and 1823 transitions. [2024-11-18 09:34:41,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:41,791 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 [2024-11-18 09:34:41,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:41,800 INFO L225 Difference]: With dead ends: 1226 [2024-11-18 09:34:41,801 INFO L226 Difference]: Without dead ends: 973 [2024-11-18 09:34:41,802 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 [2024-11-18 09:34:41,804 INFO L432 NwaCegarLoop]: 1344 mSDtfsCounter, 942 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 1773 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 [2024-11-18 09:34:41,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 1773 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:34:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2024-11-18 09:34:41,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 954. [2024-11-18 09:34:41,844 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) [2024-11-18 09:34:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1422 transitions. [2024-11-18 09:34:41,851 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1422 transitions. Word has length 21 [2024-11-18 09:34:41,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:41,852 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1422 transitions. [2024-11-18 09:34:41,852 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) [2024-11-18 09:34:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1422 transitions. [2024-11-18 09:34:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-18 09:34:41,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:41,856 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] [2024-11-18 09:34:41,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 09:34:41,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:41,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:41,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1599811433, now seen corresponding path program 1 times [2024-11-18 09:34:41,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:41,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825670767] [2024-11-18 09:34:41,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:41,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:42,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:42,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825670767] [2024-11-18 09:34:42,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825670767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:42,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:42,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:42,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494166827] [2024-11-18 09:34:42,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:42,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:42,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:42,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:42,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:42,100 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) [2024-11-18 09:34:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:42,181 INFO L93 Difference]: Finished difference Result 1526 states and 2256 transitions. [2024-11-18 09:34:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:42,182 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 [2024-11-18 09:34:42,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:42,192 INFO L225 Difference]: With dead ends: 1526 [2024-11-18 09:34:42,193 INFO L226 Difference]: Without dead ends: 1394 [2024-11-18 09:34:42,196 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 [2024-11-18 09:34:42,197 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 [2024-11-18 09:34:42,197 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] [2024-11-18 09:34:42,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2024-11-18 09:34:42,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1359. [2024-11-18 09:34:42,274 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) [2024-11-18 09:34:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 2028 transitions. [2024-11-18 09:34:42,283 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 2028 transitions. Word has length 28 [2024-11-18 09:34:42,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:42,283 INFO L471 AbstractCegarLoop]: Abstraction has 1359 states and 2028 transitions. [2024-11-18 09:34:42,284 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) [2024-11-18 09:34:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2028 transitions. [2024-11-18 09:34:42,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-18 09:34:42,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:42,288 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] [2024-11-18 09:34:42,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 09:34:42,289 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:42,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:42,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1701522095, now seen corresponding path program 1 times [2024-11-18 09:34:42,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:42,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529673743] [2024-11-18 09:34:42,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:42,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:42,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:42,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529673743] [2024-11-18 09:34:42,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529673743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:42,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:42,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:42,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982052333] [2024-11-18 09:34:42,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:42,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:42,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:42,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:42,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:42,407 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) [2024-11-18 09:34:42,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:42,609 INFO L93 Difference]: Finished difference Result 3144 states and 4792 transitions. [2024-11-18 09:34:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:42,610 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 [2024-11-18 09:34:42,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:42,623 INFO L225 Difference]: With dead ends: 3144 [2024-11-18 09:34:42,624 INFO L226 Difference]: Without dead ends: 2383 [2024-11-18 09:34:42,627 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 [2024-11-18 09:34:42,629 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 [2024-11-18 09:34:42,630 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] [2024-11-18 09:34:42,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-11-18 09:34:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 1619. [2024-11-18 09:34:42,713 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) [2024-11-18 09:34:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2423 transitions. [2024-11-18 09:34:42,721 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2423 transitions. Word has length 28 [2024-11-18 09:34:42,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:42,722 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2423 transitions. [2024-11-18 09:34:42,722 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) [2024-11-18 09:34:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2423 transitions. [2024-11-18 09:34:42,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-18 09:34:42,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:42,726 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] [2024-11-18 09:34:42,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 09:34:42,727 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:42,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:42,727 INFO L85 PathProgramCache]: Analyzing trace with hash -557001360, now seen corresponding path program 1 times [2024-11-18 09:34:42,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:42,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47467655] [2024-11-18 09:34:42,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:42,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:42,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:42,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:42,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47467655] [2024-11-18 09:34:42,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47467655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:42,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:42,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:42,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759309896] [2024-11-18 09:34:42,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:42,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:42,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:42,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:42,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:42,827 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) [2024-11-18 09:34:42,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:42,954 INFO L93 Difference]: Finished difference Result 1622 states and 2425 transitions. [2024-11-18 09:34:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:42,955 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 [2024-11-18 09:34:42,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:42,964 INFO L225 Difference]: With dead ends: 1622 [2024-11-18 09:34:42,964 INFO L226 Difference]: Without dead ends: 1618 [2024-11-18 09:34:42,967 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 [2024-11-18 09:34:42,969 INFO L432 NwaCegarLoop]: 989 mSDtfsCounter, 34 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-11-18 09:34:42,969 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] [2024-11-18 09:34:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2024-11-18 09:34:43,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1618. [2024-11-18 09:34:43,039 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) [2024-11-18 09:34:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 2420 transitions. [2024-11-18 09:34:43,047 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 2420 transitions. Word has length 28 [2024-11-18 09:34:43,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:43,047 INFO L471 AbstractCegarLoop]: Abstraction has 1618 states and 2420 transitions. [2024-11-18 09:34:43,048 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) [2024-11-18 09:34:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2420 transitions. [2024-11-18 09:34:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-18 09:34:43,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:43,049 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] [2024-11-18 09:34:43,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 09:34:43,050 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:43,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:43,051 INFO L85 PathProgramCache]: Analyzing trace with hash 968439853, now seen corresponding path program 1 times [2024-11-18 09:34:43,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:43,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651755099] [2024-11-18 09:34:43,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:43,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:43,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:43,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651755099] [2024-11-18 09:34:43,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651755099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:43,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:43,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:34:43,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839736977] [2024-11-18 09:34:43,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:43,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:34:43,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:43,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:34:43,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:34:43,243 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) [2024-11-18 09:34:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:43,927 INFO L93 Difference]: Finished difference Result 2929 states and 4417 transitions. [2024-11-18 09:34:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 09:34:43,928 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 [2024-11-18 09:34:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:43,939 INFO L225 Difference]: With dead ends: 2929 [2024-11-18 09:34:43,939 INFO L226 Difference]: Without dead ends: 1932 [2024-11-18 09:34:43,943 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 [2024-11-18 09:34:43,944 INFO L432 NwaCegarLoop]: 1252 mSDtfsCounter, 1662 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:43,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 1580 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 09:34:43,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2024-11-18 09:34:44,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1606. [2024-11-18 09:34:44,017 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) [2024-11-18 09:34:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2396 transitions. [2024-11-18 09:34:44,028 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2396 transitions. Word has length 29 [2024-11-18 09:34:44,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:44,028 INFO L471 AbstractCegarLoop]: Abstraction has 1606 states and 2396 transitions. [2024-11-18 09:34:44,028 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) [2024-11-18 09:34:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2396 transitions. [2024-11-18 09:34:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-18 09:34:44,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:44,031 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] [2024-11-18 09:34:44,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 09:34:44,031 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:44,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:44,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1032153716, now seen corresponding path program 1 times [2024-11-18 09:34:44,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:44,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285872901] [2024-11-18 09:34:44,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:44,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:44,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:44,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285872901] [2024-11-18 09:34:44,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285872901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:44,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:44,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:34:44,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547735874] [2024-11-18 09:34:44,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:44,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:34:44,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:44,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:34:44,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:34:44,239 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) [2024-11-18 09:34:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:44,724 INFO L93 Difference]: Finished difference Result 1667 states and 2476 transitions. [2024-11-18 09:34:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 09:34:44,724 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 [2024-11-18 09:34:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:44,732 INFO L225 Difference]: With dead ends: 1667 [2024-11-18 09:34:44,733 INFO L226 Difference]: Without dead ends: 1623 [2024-11-18 09:34:44,734 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 [2024-11-18 09:34:44,735 INFO L432 NwaCegarLoop]: 985 mSDtfsCounter, 1026 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-18 09:34:44,735 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] [2024-11-18 09:34:44,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2024-11-18 09:34:44,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1606. [2024-11-18 09:34:44,809 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) [2024-11-18 09:34:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2394 transitions. [2024-11-18 09:34:44,824 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2394 transitions. Word has length 37 [2024-11-18 09:34:44,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:44,824 INFO L471 AbstractCegarLoop]: Abstraction has 1606 states and 2394 transitions. [2024-11-18 09:34:44,825 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) [2024-11-18 09:34:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2394 transitions. [2024-11-18 09:34:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-18 09:34:44,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:44,827 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] [2024-11-18 09:34:44,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 09:34:44,827 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:44,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:44,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1117000761, now seen corresponding path program 1 times [2024-11-18 09:34:44,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:44,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279494954] [2024-11-18 09:34:44,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:44,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:45,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:45,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279494954] [2024-11-18 09:34:45,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279494954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:45,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:45,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:34:45,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409548133] [2024-11-18 09:34:45,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:45,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:34:45,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:45,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:34:45,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:34:45,016 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) [2024-11-18 09:34:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:45,657 INFO L93 Difference]: Finished difference Result 1917 states and 2849 transitions. [2024-11-18 09:34:45,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 09:34:45,658 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 [2024-11-18 09:34:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:45,667 INFO L225 Difference]: With dead ends: 1917 [2024-11-18 09:34:45,668 INFO L226 Difference]: Without dead ends: 1908 [2024-11-18 09:34:45,669 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 [2024-11-18 09:34:45,670 INFO L432 NwaCegarLoop]: 1310 mSDtfsCounter, 1283 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:45,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 2080 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 09:34:45,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-11-18 09:34:45,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1646. [2024-11-18 09:34:45,752 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) [2024-11-18 09:34:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2448 transitions. [2024-11-18 09:34:45,760 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2448 transitions. Word has length 39 [2024-11-18 09:34:45,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:45,760 INFO L471 AbstractCegarLoop]: Abstraction has 1646 states and 2448 transitions. [2024-11-18 09:34:45,761 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) [2024-11-18 09:34:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2448 transitions. [2024-11-18 09:34:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-18 09:34:45,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:45,763 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] [2024-11-18 09:34:45,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 09:34:45,763 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:45,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:45,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1117277591, now seen corresponding path program 1 times [2024-11-18 09:34:45,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:45,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575830540] [2024-11-18 09:34:45,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:45,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:45,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:45,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575830540] [2024-11-18 09:34:45,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575830540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:45,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:45,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517943790] [2024-11-18 09:34:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:45,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:45,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:45,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:45,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:45,847 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) [2024-11-18 09:34:46,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:46,002 INFO L93 Difference]: Finished difference Result 2268 states and 3355 transitions. [2024-11-18 09:34:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:46,004 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 [2024-11-18 09:34:46,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:46,014 INFO L225 Difference]: With dead ends: 2268 [2024-11-18 09:34:46,015 INFO L226 Difference]: Without dead ends: 2240 [2024-11-18 09:34:46,016 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 [2024-11-18 09:34:46,016 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 [2024-11-18 09:34:46,017 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] [2024-11-18 09:34:46,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2024-11-18 09:34:46,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2203. [2024-11-18 09:34:46,186 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) [2024-11-18 09:34:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 3267 transitions. [2024-11-18 09:34:46,198 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 3267 transitions. Word has length 39 [2024-11-18 09:34:46,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:46,199 INFO L471 AbstractCegarLoop]: Abstraction has 2203 states and 3267 transitions. [2024-11-18 09:34:46,199 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) [2024-11-18 09:34:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 3267 transitions. [2024-11-18 09:34:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-18 09:34:46,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:46,201 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] [2024-11-18 09:34:46,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 09:34:46,202 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:46,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:46,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1131622500, now seen corresponding path program 1 times [2024-11-18 09:34:46,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:46,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406006610] [2024-11-18 09:34:46,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:46,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:46,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:46,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406006610] [2024-11-18 09:34:46,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406006610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:46,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:46,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:46,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476103012] [2024-11-18 09:34:46,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:46,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:46,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:46,289 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) [2024-11-18 09:34:46,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:46,473 INFO L93 Difference]: Finished difference Result 2733 states and 4052 transitions. [2024-11-18 09:34:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:46,474 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 [2024-11-18 09:34:46,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:46,492 INFO L225 Difference]: With dead ends: 2733 [2024-11-18 09:34:46,492 INFO L226 Difference]: Without dead ends: 2720 [2024-11-18 09:34:46,495 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 [2024-11-18 09:34:46,495 INFO L432 NwaCegarLoop]: 1330 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, 2274 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 [2024-11-18 09:34:46,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 2274 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:34:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2024-11-18 09:34:46,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2200. [2024-11-18 09:34:46,651 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) [2024-11-18 09:34:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 3260 transitions. [2024-11-18 09:34:46,663 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 3260 transitions. Word has length 39 [2024-11-18 09:34:46,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:46,664 INFO L471 AbstractCegarLoop]: Abstraction has 2200 states and 3260 transitions. [2024-11-18 09:34:46,664 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) [2024-11-18 09:34:46,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 3260 transitions. [2024-11-18 09:34:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-18 09:34:46,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:46,666 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] [2024-11-18 09:34:46,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 09:34:46,666 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:46,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:46,667 INFO L85 PathProgramCache]: Analyzing trace with hash -557633380, now seen corresponding path program 1 times [2024-11-18 09:34:46,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:46,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375581094] [2024-11-18 09:34:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:46,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:46,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375581094] [2024-11-18 09:34:46,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375581094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:46,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:46,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:34:46,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121995962] [2024-11-18 09:34:46,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:46,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:34:46,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:46,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:34:46,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:34:46,844 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) [2024-11-18 09:34:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:47,351 INFO L93 Difference]: Finished difference Result 2230 states and 3292 transitions. [2024-11-18 09:34:47,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 09:34:47,351 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 [2024-11-18 09:34:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:47,363 INFO L225 Difference]: With dead ends: 2230 [2024-11-18 09:34:47,363 INFO L226 Difference]: Without dead ends: 2183 [2024-11-18 09:34:47,365 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 [2024-11-18 09:34:47,366 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 [2024-11-18 09:34:47,366 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] [2024-11-18 09:34:47,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-11-18 09:34:47,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2181. [2024-11-18 09:34:47,499 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) [2024-11-18 09:34:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 3229 transitions. [2024-11-18 09:34:47,512 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 3229 transitions. Word has length 39 [2024-11-18 09:34:47,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:47,512 INFO L471 AbstractCegarLoop]: Abstraction has 2181 states and 3229 transitions. [2024-11-18 09:34:47,513 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) [2024-11-18 09:34:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 3229 transitions. [2024-11-18 09:34:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-18 09:34:47,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:47,515 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] [2024-11-18 09:34:47,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 09:34:47,515 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:47,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:47,515 INFO L85 PathProgramCache]: Analyzing trace with hash -267383375, now seen corresponding path program 1 times [2024-11-18 09:34:47,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:47,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218295620] [2024-11-18 09:34:47,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:47,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:47,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:47,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218295620] [2024-11-18 09:34:47,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218295620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:47,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:47,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 09:34:47,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930231946] [2024-11-18 09:34:47,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:47,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 09:34:47,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:47,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 09:34:47,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 09:34:47,728 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) [2024-11-18 09:34:47,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:47,903 INFO L93 Difference]: Finished difference Result 2193 states and 3241 transitions. [2024-11-18 09:34:47,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 09:34:47,904 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 [2024-11-18 09:34:47,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:47,914 INFO L225 Difference]: With dead ends: 2193 [2024-11-18 09:34:47,914 INFO L226 Difference]: Without dead ends: 2165 [2024-11-18 09:34:47,916 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 [2024-11-18 09:34:47,917 INFO L432 NwaCegarLoop]: 991 mSDtfsCounter, 1 mSDsluCounter, 3913 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-11-18 09:34:47,917 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] [2024-11-18 09:34:47,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2024-11-18 09:34:48,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 2165. [2024-11-18 09:34:48,039 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) [2024-11-18 09:34:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 3210 transitions. [2024-11-18 09:34:48,048 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 3210 transitions. Word has length 40 [2024-11-18 09:34:48,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:48,048 INFO L471 AbstractCegarLoop]: Abstraction has 2165 states and 3210 transitions. [2024-11-18 09:34:48,048 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) [2024-11-18 09:34:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 3210 transitions. [2024-11-18 09:34:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-18 09:34:48,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:48,050 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] [2024-11-18 09:34:48,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 09:34:48,051 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:48,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:48,051 INFO L85 PathProgramCache]: Analyzing trace with hash -187966051, now seen corresponding path program 1 times [2024-11-18 09:34:48,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:48,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255214069] [2024-11-18 09:34:48,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:48,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:48,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:48,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255214069] [2024-11-18 09:34:48,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255214069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:48,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:48,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:34:48,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520494978] [2024-11-18 09:34:48,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:48,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:34:48,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:48,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:34:48,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:34:48,237 INFO L87 Difference]: Start difference. First operand 2165 states and 3210 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 09:34:48,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:48,495 INFO L93 Difference]: Finished difference Result 2998 states and 4366 transitions. [2024-11-18 09:34:48,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 09:34:48,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 3 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 [2024-11-18 09:34:48,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:48,504 INFO L225 Difference]: With dead ends: 2998 [2024-11-18 09:34:48,504 INFO L226 Difference]: Without dead ends: 1342 [2024-11-18 09:34:48,507 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 [2024-11-18 09:34:48,508 INFO L432 NwaCegarLoop]: 1069 mSDtfsCounter, 690 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:48,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 2431 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 09:34:48,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-18 09:34:48,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1240. [2024-11-18 09:34:48,594 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) [2024-11-18 09:34:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1808 transitions. [2024-11-18 09:34:48,602 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1808 transitions. Word has length 45 [2024-11-18 09:34:48,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:48,602 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1808 transitions. [2024-11-18 09:34:48,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 09:34:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1808 transitions. [2024-11-18 09:34:48,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-18 09:34:48,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:48,605 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] [2024-11-18 09:34:48,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 09:34:48,605 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:48,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:48,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2094335046, now seen corresponding path program 1 times [2024-11-18 09:34:48,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:48,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598750719] [2024-11-18 09:34:48,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:48,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:48,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:48,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598750719] [2024-11-18 09:34:48,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598750719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:48,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:48,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:48,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188576556] [2024-11-18 09:34:48,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:48,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:48,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:48,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:48,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:48,729 INFO L87 Difference]: Start difference. First operand 1240 states and 1808 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) 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) [2024-11-18 09:34:48,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:48,802 INFO L93 Difference]: Finished difference Result 1836 states and 2671 transitions. [2024-11-18 09:34:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:48,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) 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 [2024-11-18 09:34:48,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:48,809 INFO L225 Difference]: With dead ends: 1836 [2024-11-18 09:34:48,813 INFO L226 Difference]: Without dead ends: 1172 [2024-11-18 09:34:48,816 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 [2024-11-18 09:34:48,819 INFO L432 NwaCegarLoop]: 961 mSDtfsCounter, 926 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:48,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 961 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:34:48,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2024-11-18 09:34:48,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1172. [2024-11-18 09:34:48,943 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) [2024-11-18 09:34:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1709 transitions. [2024-11-18 09:34:48,949 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1709 transitions. Word has length 46 [2024-11-18 09:34:48,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:48,949 INFO L471 AbstractCegarLoop]: Abstraction has 1172 states and 1709 transitions. [2024-11-18 09:34:48,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) 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) [2024-11-18 09:34:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1709 transitions. [2024-11-18 09:34:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-18 09:34:48,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:48,952 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] [2024-11-18 09:34:48,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 09:34:48,953 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:48,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:48,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1855469544, now seen corresponding path program 1 times [2024-11-18 09:34:48,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:48,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767358593] [2024-11-18 09:34:48,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:48,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:49,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:49,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767358593] [2024-11-18 09:34:49,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767358593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:49,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:49,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:49,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193412710] [2024-11-18 09:34:49,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:49,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:49,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:49,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:49,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:49,076 INFO L87 Difference]: Start difference. First operand 1172 states and 1709 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 09:34:49,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:49,222 INFO L93 Difference]: Finished difference Result 1204 states and 1747 transitions. [2024-11-18 09:34:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:49,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 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 [2024-11-18 09:34:49,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:49,229 INFO L225 Difference]: With dead ends: 1204 [2024-11-18 09:34:49,229 INFO L226 Difference]: Without dead ends: 1176 [2024-11-18 09:34:49,230 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 [2024-11-18 09:34:49,231 INFO L432 NwaCegarLoop]: 960 mSDtfsCounter, 56 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:49,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1830 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:34:49,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2024-11-18 09:34:49,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1173. [2024-11-18 09:34:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 944 states have (on average 1.423728813559322) internal successors, (1344), 948 states have internal predecessors, (1344), 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) [2024-11-18 09:34:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1710 transitions. [2024-11-18 09:34:49,323 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1710 transitions. Word has length 49 [2024-11-18 09:34:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:49,324 INFO L471 AbstractCegarLoop]: Abstraction has 1173 states and 1710 transitions. [2024-11-18 09:34:49,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 09:34:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1710 transitions. [2024-11-18 09:34:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-18 09:34:49,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:49,327 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] [2024-11-18 09:34:49,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 09:34:49,327 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:49,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1432767718, now seen corresponding path program 1 times [2024-11-18 09:34:49,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:49,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365577514] [2024-11-18 09:34:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:49,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:49,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:49,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365577514] [2024-11-18 09:34:49,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365577514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:49,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:49,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225783848] [2024-11-18 09:34:49,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:49,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:49,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:49,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:49,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:49,426 INFO L87 Difference]: Start difference. First operand 1173 states and 1710 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:34:49,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:49,535 INFO L93 Difference]: Finished difference Result 1194 states and 1734 transitions. [2024-11-18 09:34:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:49,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 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 [2024-11-18 09:34:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:49,544 INFO L225 Difference]: With dead ends: 1194 [2024-11-18 09:34:49,545 INFO L226 Difference]: Without dead ends: 1187 [2024-11-18 09:34:49,545 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 [2024-11-18 09:34:49,546 INFO L432 NwaCegarLoop]: 958 mSDtfsCounter, 33 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:49,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1862 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:34:49,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-18 09:34:49,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1185. [2024-11-18 09:34:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 956 states have (on average 1.4205020920502092) internal successors, (1358), 960 states have internal predecessors, (1358), 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) [2024-11-18 09:34:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1724 transitions. [2024-11-18 09:34:49,668 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1724 transitions. Word has length 49 [2024-11-18 09:34:49,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:49,669 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1724 transitions. [2024-11-18 09:34:49,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:34:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1724 transitions. [2024-11-18 09:34:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-18 09:34:49,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:49,671 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] [2024-11-18 09:34:49,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 09:34:49,671 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:49,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:49,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1457348716, now seen corresponding path program 1 times [2024-11-18 09:34:49,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:49,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160487815] [2024-11-18 09:34:49,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:49,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:49,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160487815] [2024-11-18 09:34:49,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160487815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:49,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:49,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 09:34:49,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613624144] [2024-11-18 09:34:49,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:49,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 09:34:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 09:34:49,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 09:34:49,912 INFO L87 Difference]: Start difference. First operand 1185 states and 1724 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:34:50,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:50,463 INFO L93 Difference]: Finished difference Result 1194 states and 1730 transitions. [2024-11-18 09:34:50,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 09:34:50,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 2 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 [2024-11-18 09:34:50,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:50,469 INFO L225 Difference]: With dead ends: 1194 [2024-11-18 09:34:50,469 INFO L226 Difference]: Without dead ends: 1189 [2024-11-18 09:34:50,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 09:34:50,470 INFO L432 NwaCegarLoop]: 956 mSDtfsCounter, 993 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:50,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 2414 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 09:34:50,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-11-18 09:34:50,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1185. [2024-11-18 09:34:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 956 states have (on average 1.4194560669456067) internal successors, (1357), 960 states have internal predecessors, (1357), 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) [2024-11-18 09:34:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1723 transitions. [2024-11-18 09:34:50,547 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1723 transitions. Word has length 50 [2024-11-18 09:34:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:50,547 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1723 transitions. [2024-11-18 09:34:50,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:34:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1723 transitions. [2024-11-18 09:34:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-18 09:34:50,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:50,550 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] [2024-11-18 09:34:50,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 09:34:50,550 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:50,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1791338076, now seen corresponding path program 1 times [2024-11-18 09:34:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:50,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457452140] [2024-11-18 09:34:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:34:50,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:50,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457452140] [2024-11-18 09:34:50,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457452140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:50,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:50,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:50,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609742847] [2024-11-18 09:34:50,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:50,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:50,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:50,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:50,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:50,671 INFO L87 Difference]: Start difference. First operand 1185 states and 1723 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:34:50,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:50,798 INFO L93 Difference]: Finished difference Result 2372 states and 3450 transitions. [2024-11-18 09:34:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:50,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 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 [2024-11-18 09:34:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:50,804 INFO L225 Difference]: With dead ends: 2372 [2024-11-18 09:34:50,804 INFO L226 Difference]: Without dead ends: 1191 [2024-11-18 09:34:50,807 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 [2024-11-18 09:34:50,807 INFO L432 NwaCegarLoop]: 957 mSDtfsCounter, 3 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:50,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1908 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:34:50,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-11-18 09:34:50,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1188. [2024-11-18 09:34:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 959 states have (on average 1.4181438998957248) internal successors, (1360), 963 states have internal predecessors, (1360), 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) [2024-11-18 09:34:50,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1726 transitions. [2024-11-18 09:34:50,887 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1726 transitions. Word has length 51 [2024-11-18 09:34:50,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:50,887 INFO L471 AbstractCegarLoop]: Abstraction has 1188 states and 1726 transitions. [2024-11-18 09:34:50,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:34:50,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1726 transitions. [2024-11-18 09:34:50,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-18 09:34:50,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:50,890 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] [2024-11-18 09:34:50,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 09:34:50,890 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:50,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:50,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1193749674, now seen corresponding path program 1 times [2024-11-18 09:34:50,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:50,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270834254] [2024-11-18 09:34:50,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:50,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-18 09:34:51,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:51,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270834254] [2024-11-18 09:34:51,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270834254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:34:51,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838319595] [2024-11-18 09:34:51,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:51,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:34:51,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:34:51,081 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) [2024-11-18 09:34:51,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 09:34:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:51,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-18 09:34:51,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 09:34:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-18 09:34:51,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 09:34:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-18 09:34:51,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838319595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 09:34:51,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 09:34:51,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-18 09:34:51,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171366923] [2024-11-18 09:34:51,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 09:34:51,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 09:34:51,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:51,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 09:34:51,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-18 09:34:51,707 INFO L87 Difference]: Start difference. First operand 1188 states and 1726 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-18 09:34:51,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:51,918 INFO L93 Difference]: Finished difference Result 2385 states and 3467 transitions. [2024-11-18 09:34:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 09:34:51,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2024-11-18 09:34:51,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:51,924 INFO L225 Difference]: With dead ends: 2385 [2024-11-18 09:34:51,925 INFO L226 Difference]: Without dead ends: 1202 [2024-11-18 09:34:51,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-18 09:34:51,929 INFO L432 NwaCegarLoop]: 955 mSDtfsCounter, 20 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2857 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:51,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2857 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:34:51,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2024-11-18 09:34:52,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1198. [2024-11-18 09:34:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 969 states have (on average 1.413828689370485) internal successors, (1370), 973 states have internal predecessors, (1370), 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) [2024-11-18 09:34:52,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1736 transitions. [2024-11-18 09:34:52,088 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1736 transitions. Word has length 57 [2024-11-18 09:34:52,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:52,088 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 1736 transitions. [2024-11-18 09:34:52,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-18 09:34:52,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1736 transitions. [2024-11-18 09:34:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 09:34:52,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:52,091 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] [2024-11-18 09:34:52,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 09:34:52,292 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 [2024-11-18 09:34:52,292 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:52,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:52,293 INFO L85 PathProgramCache]: Analyzing trace with hash 974682060, now seen corresponding path program 2 times [2024-11-18 09:34:52,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:52,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963189393] [2024-11-18 09:34:52,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 09:34:52,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:52,405 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-18 09:34:52,407 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:34:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-18 09:34:52,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:52,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963189393] [2024-11-18 09:34:52,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963189393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:52,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:52,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:34:52,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576079081] [2024-11-18 09:34:52,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:52,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:34:52,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:52,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:34:52,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:34:52,560 INFO L87 Difference]: Start difference. First operand 1198 states and 1736 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) [2024-11-18 09:34:52,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:52,689 INFO L93 Difference]: Finished difference Result 1638 states and 2397 transitions. [2024-11-18 09:34:52,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 09:34:52,690 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 [2024-11-18 09:34:52,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:52,695 INFO L225 Difference]: With dead ends: 1638 [2024-11-18 09:34:52,695 INFO L226 Difference]: Without dead ends: 1209 [2024-11-18 09:34:52,697 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 [2024-11-18 09:34:52,698 INFO L432 NwaCegarLoop]: 960 mSDtfsCounter, 4 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:52,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2872 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:34:52,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2024-11-18 09:34:52,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1204. [2024-11-18 09:34:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 974 states have (on average 1.4137577002053388) internal successors, (1377), 978 states have internal predecessors, (1377), 161 states have call successors, (161), 64 states have call predecessors, (161), 68 states have return successors, (205), 161 states have call predecessors, (205), 155 states have call successors, (205) [2024-11-18 09:34:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1743 transitions. [2024-11-18 09:34:52,792 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1743 transitions. Word has length 67 [2024-11-18 09:34:52,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:52,792 INFO L471 AbstractCegarLoop]: Abstraction has 1204 states and 1743 transitions. [2024-11-18 09:34:52,792 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) [2024-11-18 09:34:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1743 transitions. [2024-11-18 09:34:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-18 09:34:52,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:52,796 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] [2024-11-18 09:34:52,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 09:34:52,796 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:52,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:52,797 INFO L85 PathProgramCache]: Analyzing trace with hash -2050092606, now seen corresponding path program 1 times [2024-11-18 09:34:52,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:52,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466643029] [2024-11-18 09:34:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-18 09:34:52,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:52,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466643029] [2024-11-18 09:34:52,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466643029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:52,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:52,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:34:52,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437262498] [2024-11-18 09:34:52,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:52,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:34:52,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:52,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:34:52,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:34:52,935 INFO L87 Difference]: Start difference. First operand 1204 states and 1743 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 09:34:53,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:53,072 INFO L93 Difference]: Finished difference Result 1837 states and 2647 transitions. [2024-11-18 09:34:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:34:53,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 3 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 [2024-11-18 09:34:53,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:53,079 INFO L225 Difference]: With dead ends: 1837 [2024-11-18 09:34:53,079 INFO L226 Difference]: Without dead ends: 1275 [2024-11-18 09:34:53,081 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 [2024-11-18 09:34:53,082 INFO L432 NwaCegarLoop]: 1052 mSDtfsCounter, 386 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:53,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 1709 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:34:53,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2024-11-18 09:34:53,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1204. [2024-11-18 09:34:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 974 states have (on average 1.4127310061601643) internal successors, (1376), 978 states have internal predecessors, (1376), 161 states have call successors, (161), 64 states have call predecessors, (161), 68 states have return successors, (205), 161 states have call predecessors, (205), 155 states have call successors, (205) [2024-11-18 09:34:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1742 transitions. [2024-11-18 09:34:53,223 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1742 transitions. Word has length 69 [2024-11-18 09:34:53,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:53,223 INFO L471 AbstractCegarLoop]: Abstraction has 1204 states and 1742 transitions. [2024-11-18 09:34:53,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 09:34:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1742 transitions. [2024-11-18 09:34:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 09:34:53,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:53,226 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] [2024-11-18 09:34:53,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-18 09:34:53,227 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:53,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:53,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1249239721, now seen corresponding path program 1 times [2024-11-18 09:34:53,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:53,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105799711] [2024-11-18 09:34:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-18 09:34:53,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:53,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105799711] [2024-11-18 09:34:53,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105799711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:34:53,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:34:53,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-18 09:34:53,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699907314] [2024-11-18 09:34:53,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:34:53,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 09:34:53,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:53,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 09:34:53,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 09:34:53,583 INFO L87 Difference]: Start difference. First operand 1204 states and 1742 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:34:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:53,857 INFO L93 Difference]: Finished difference Result 1217 states and 1755 transitions. [2024-11-18 09:34:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 09:34:53,858 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 2 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 [2024-11-18 09:34:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:53,863 INFO L225 Difference]: With dead ends: 1217 [2024-11-18 09:34:53,864 INFO L226 Difference]: Without dead ends: 1202 [2024-11-18 09:34:53,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 09:34:53,865 INFO L432 NwaCegarLoop]: 964 mSDtfsCounter, 1 mSDsluCounter, 6588 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7552 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:53,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7552 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:34:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2024-11-18 09:34:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1202. [2024-11-18 09:34:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 973 states have (on average 1.4121274409044193) internal successors, (1374), 977 states have internal predecessors, (1374), 160 states have call successors, (160), 64 states have call predecessors, (160), 68 states have return successors, (204), 160 states have call predecessors, (204), 154 states have call successors, (204) [2024-11-18 09:34:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1738 transitions. [2024-11-18 09:34:53,961 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1738 transitions. Word has length 67 [2024-11-18 09:34:53,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:53,961 INFO L471 AbstractCegarLoop]: Abstraction has 1202 states and 1738 transitions. [2024-11-18 09:34:53,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:34:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1738 transitions. [2024-11-18 09:34:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 09:34:53,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:53,964 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] [2024-11-18 09:34:53,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-18 09:34:53,964 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:53,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:53,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2111526988, now seen corresponding path program 1 times [2024-11-18 09:34:53,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:53,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726127283] [2024-11-18 09:34:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:53,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-18 09:34:54,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:54,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726127283] [2024-11-18 09:34:54,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726127283] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:34:54,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629941195] [2024-11-18 09:34:54,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:54,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:34:54,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:34:54,219 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) [2024-11-18 09:34:54,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 09:34:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:34:54,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-18 09:34:54,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 09:34:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-18 09:34:54,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 09:34:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-18 09:34:54,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629941195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 09:34:54,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 09:34:54,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-18 09:34:54,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415306030] [2024-11-18 09:34:54,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 09:34:54,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 09:34:54,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:54,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 09:34:54,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-18 09:34:54,923 INFO L87 Difference]: Start difference. First operand 1202 states and 1738 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-18 09:34:55,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:55,201 INFO L93 Difference]: Finished difference Result 2414 states and 3493 transitions. [2024-11-18 09:34:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 09:34:55,202 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 68 [2024-11-18 09:34:55,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:55,207 INFO L225 Difference]: With dead ends: 2414 [2024-11-18 09:34:55,207 INFO L226 Difference]: Without dead ends: 1219 [2024-11-18 09:34:55,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-18 09:34:55,212 INFO L432 NwaCegarLoop]: 952 mSDtfsCounter, 35 mSDsluCounter, 2841 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 3793 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:55,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 3793 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:34:55,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-11-18 09:34:55,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1216. [2024-11-18 09:34:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 987 states have (on average 1.4062816616008105) internal successors, (1388), 991 states have internal predecessors, (1388), 160 states have call successors, (160), 64 states have call predecessors, (160), 68 states have return successors, (204), 160 states have call predecessors, (204), 154 states have call successors, (204) [2024-11-18 09:34:55,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1752 transitions. [2024-11-18 09:34:55,303 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1752 transitions. Word has length 68 [2024-11-18 09:34:55,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:55,304 INFO L471 AbstractCegarLoop]: Abstraction has 1216 states and 1752 transitions. [2024-11-18 09:34:55,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-18 09:34:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1752 transitions. [2024-11-18 09:34:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 09:34:55,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:55,308 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:34:55,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 09:34:55,509 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,SelfDestructingSolverStorable23 [2024-11-18 09:34:55,509 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:55,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:55,510 INFO L85 PathProgramCache]: Analyzing trace with hash -230897126, now seen corresponding path program 2 times [2024-11-18 09:34:55,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:55,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812112200] [2024-11-18 09:34:55,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 09:34:55,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:55,638 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 09:34:55,638 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:34:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-18 09:34:55,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:55,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812112200] [2024-11-18 09:34:55,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812112200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:34:55,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931856806] [2024-11-18 09:34:55,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 09:34:55,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:34:55,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:34:55,948 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) [2024-11-18 09:34:55,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 09:34:56,838 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 09:34:56,839 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:34:56,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-18 09:34:56,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 09:34:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-18 09:34:56,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 09:34:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-18 09:34:56,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931856806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 09:34:56,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 09:34:56,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 13 [2024-11-18 09:34:56,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470941231] [2024-11-18 09:34:56,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 09:34:56,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-18 09:34:56,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:56,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-18 09:34:56,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-11-18 09:34:56,974 INFO L87 Difference]: Start difference. First operand 1216 states and 1752 transitions. Second operand has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-18 09:34:57,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:57,476 INFO L93 Difference]: Finished difference Result 2455 states and 3544 transitions. [2024-11-18 09:34:57,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 09:34:57,481 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 82 [2024-11-18 09:34:57,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:57,493 INFO L225 Difference]: With dead ends: 2455 [2024-11-18 09:34:57,493 INFO L226 Difference]: Without dead ends: 1254 [2024-11-18 09:34:57,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2024-11-18 09:34:57,500 INFO L432 NwaCegarLoop]: 953 mSDtfsCounter, 41 mSDsluCounter, 6629 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 7582 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:57,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 7582 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 09:34:57,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-18 09:34:57,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1252. [2024-11-18 09:34:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1023 states have (on average 1.3919843597262953) internal successors, (1424), 1027 states have internal predecessors, (1424), 160 states have call successors, (160), 64 states have call predecessors, (160), 68 states have return successors, (204), 160 states have call predecessors, (204), 154 states have call successors, (204) [2024-11-18 09:34:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1788 transitions. [2024-11-18 09:34:57,600 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1788 transitions. Word has length 82 [2024-11-18 09:34:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:57,600 INFO L471 AbstractCegarLoop]: Abstraction has 1252 states and 1788 transitions. [2024-11-18 09:34:57,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-18 09:34:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1788 transitions. [2024-11-18 09:34:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-18 09:34:57,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:57,603 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:34:57,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 09:34:57,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:34:57,804 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:57,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:57,805 INFO L85 PathProgramCache]: Analyzing trace with hash -524413634, now seen corresponding path program 3 times [2024-11-18 09:34:57,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:57,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936818687] [2024-11-18 09:34:57,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-18 09:34:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:57,941 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-18 09:34:57,941 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:34:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-18 09:34:58,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:34:58,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936818687] [2024-11-18 09:34:58,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936818687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:34:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724795394] [2024-11-18 09:34:58,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-18 09:34:58,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:34:58,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:34:58,168 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) [2024-11-18 09:34:58,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 09:34:58,905 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-18 09:34:58,906 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:34:58,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-18 09:34:58,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 09:34:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-18 09:34:58,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 09:34:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-18 09:34:59,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724795394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 09:34:59,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 09:34:59,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-18 09:34:59,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200308444] [2024-11-18 09:34:59,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 09:34:59,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 09:34:59,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:34:59,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 09:34:59,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-18 09:34:59,002 INFO L87 Difference]: Start difference. First operand 1252 states and 1788 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-18 09:34:59,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:34:59,211 INFO L93 Difference]: Finished difference Result 2119 states and 3088 transitions. [2024-11-18 09:34:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 09:34:59,211 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 118 [2024-11-18 09:34:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:34:59,218 INFO L225 Difference]: With dead ends: 2119 [2024-11-18 09:34:59,218 INFO L226 Difference]: Without dead ends: 1268 [2024-11-18 09:34:59,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-18 09:34:59,221 INFO L432 NwaCegarLoop]: 956 mSDtfsCounter, 5 mSDsluCounter, 2856 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:34:59,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3812 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:34:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2024-11-18 09:34:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1268. [2024-11-18 09:34:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1039 states have (on average 1.3849855630413859) internal successors, (1439), 1043 states have internal predecessors, (1439), 160 states have call successors, (160), 64 states have call predecessors, (160), 68 states have return successors, (204), 160 states have call predecessors, (204), 154 states have call successors, (204) [2024-11-18 09:34:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1803 transitions. [2024-11-18 09:34:59,324 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1803 transitions. Word has length 118 [2024-11-18 09:34:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:34:59,324 INFO L471 AbstractCegarLoop]: Abstraction has 1268 states and 1803 transitions. [2024-11-18 09:34:59,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-18 09:34:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1803 transitions. [2024-11-18 09:34:59,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-18 09:34:59,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:34:59,328 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:34:59,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-18 09:34:59,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-18 09:34:59,528 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:34:59,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:34:59,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1228350552, now seen corresponding path program 1 times [2024-11-18 09:34:59,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:34:59,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536094622] [2024-11-18 09:34:59,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:34:59,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:34:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:35:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-18 09:35:00,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:35:00,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536094622] [2024-11-18 09:35:00,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536094622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:35:00,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:35:00,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-18 09:35:00,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857098073] [2024-11-18 09:35:00,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:35:00,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 09:35:00,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:35:00,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 09:35:00,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 09:35:00,034 INFO L87 Difference]: Start difference. First operand 1268 states and 1803 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:35:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:35:00,271 INFO L93 Difference]: Finished difference Result 1280 states and 1815 transitions. [2024-11-18 09:35:00,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 09:35:00,272 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (3), 2 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 119 [2024-11-18 09:35:00,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:35:00,277 INFO L225 Difference]: With dead ends: 1280 [2024-11-18 09:35:00,277 INFO L226 Difference]: Without dead ends: 1265 [2024-11-18 09:35:00,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 09:35:00,278 INFO L432 NwaCegarLoop]: 954 mSDtfsCounter, 1 mSDsluCounter, 6532 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7486 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:35:00,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7486 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:35:00,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2024-11-18 09:35:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1265. [2024-11-18 09:35:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1037 states have (on average 1.3847637415621987) internal successors, (1436), 1041 states have internal predecessors, (1436), 159 states have call successors, (159), 64 states have call predecessors, (159), 68 states have return successors, (203), 159 states have call predecessors, (203), 153 states have call successors, (203) [2024-11-18 09:35:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1798 transitions. [2024-11-18 09:35:00,373 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1798 transitions. Word has length 119 [2024-11-18 09:35:00,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:35:00,373 INFO L471 AbstractCegarLoop]: Abstraction has 1265 states and 1798 transitions. [2024-11-18 09:35:00,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:35:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1798 transitions. [2024-11-18 09:35:00,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-18 09:35:00,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:35:00,376 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:35:00,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-18 09:35:00,376 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:35:00,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:35:00,377 INFO L85 PathProgramCache]: Analyzing trace with hash 2077576817, now seen corresponding path program 1 times [2024-11-18 09:35:00,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:35:00,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050422049] [2024-11-18 09:35:00,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:35:00,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:35:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:35:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-18 09:35:00,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:35:00,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050422049] [2024-11-18 09:35:00,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050422049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:35:00,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:35:00,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:35:00,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705730039] [2024-11-18 09:35:00,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:35:00,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:35:00,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:35:00,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:35:00,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:35:00,576 INFO L87 Difference]: Start difference. First operand 1265 states and 1798 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 09:35:00,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:35:00,713 INFO L93 Difference]: Finished difference Result 1342 states and 1889 transitions. [2024-11-18 09:35:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:35:00,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2024-11-18 09:35:00,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:35:00,722 INFO L225 Difference]: With dead ends: 1342 [2024-11-18 09:35:00,722 INFO L226 Difference]: Without dead ends: 1268 [2024-11-18 09:35:00,723 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 [2024-11-18 09:35:00,723 INFO L432 NwaCegarLoop]: 959 mSDtfsCounter, 641 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:35:00,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 1341 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:35:00,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2024-11-18 09:35:00,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1254. [2024-11-18 09:35:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1030 states have (on average 1.3854368932038834) internal successors, (1427), 1034 states have internal predecessors, (1427), 157 states have call successors, (157), 62 states have call predecessors, (157), 66 states have return successors, (201), 157 states have call predecessors, (201), 151 states have call successors, (201) [2024-11-18 09:35:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1785 transitions. [2024-11-18 09:35:00,871 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1785 transitions. Word has length 120 [2024-11-18 09:35:00,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:35:00,872 INFO L471 AbstractCegarLoop]: Abstraction has 1254 states and 1785 transitions. [2024-11-18 09:35:00,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 09:35:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1785 transitions. [2024-11-18 09:35:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-18 09:35:00,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:35:00,875 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:35:00,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-18 09:35:00,876 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:35:00,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:35:00,876 INFO L85 PathProgramCache]: Analyzing trace with hash 149435417, now seen corresponding path program 1 times [2024-11-18 09:35:00,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:35:00,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263088985] [2024-11-18 09:35:00,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:35:00,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:35:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:35:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-18 09:35:01,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:35:01,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263088985] [2024-11-18 09:35:01,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263088985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:35:01,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:35:01,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-18 09:35:01,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155569169] [2024-11-18 09:35:01,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:35:01,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-18 09:35:01,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:35:01,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-18 09:35:01,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-18 09:35:01,388 INFO L87 Difference]: Start difference. First operand 1254 states and 1785 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:35:01,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:35:01,635 INFO L93 Difference]: Finished difference Result 1268 states and 1799 transitions. [2024-11-18 09:35:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 09:35:01,636 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (3), 2 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 120 [2024-11-18 09:35:01,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:35:01,641 INFO L225 Difference]: With dead ends: 1268 [2024-11-18 09:35:01,641 INFO L226 Difference]: Without dead ends: 1251 [2024-11-18 09:35:01,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-18 09:35:01,642 INFO L432 NwaCegarLoop]: 956 mSDtfsCounter, 1 mSDsluCounter, 7476 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8432 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:35:01,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8432 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:35:01,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-11-18 09:35:01,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2024-11-18 09:35:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1028 states have (on average 1.3852140077821011) internal successors, (1424), 1032 states have internal predecessors, (1424), 156 states have call successors, (156), 62 states have call predecessors, (156), 66 states have return successors, (200), 156 states have call predecessors, (200), 150 states have call successors, (200) [2024-11-18 09:35:01,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1780 transitions. [2024-11-18 09:35:01,736 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1780 transitions. Word has length 120 [2024-11-18 09:35:01,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:35:01,737 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1780 transitions. [2024-11-18 09:35:01,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 09:35:01,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1780 transitions. [2024-11-18 09:35:01,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-18 09:35:01,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:35:01,739 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:35:01,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-18 09:35:01,740 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:35:01,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:35:01,740 INFO L85 PathProgramCache]: Analyzing trace with hash -204579430, now seen corresponding path program 4 times [2024-11-18 09:35:01,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:35:01,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514580157] [2024-11-18 09:35:01,741 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-18 09:35:01,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:35:01,856 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-18 09:35:01,857 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:35:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-18 09:35:02,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:35:02,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514580157] [2024-11-18 09:35:02,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514580157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:35:02,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476152140] [2024-11-18 09:35:02,455 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-18 09:35:02,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:35:02,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:35:02,456 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) [2024-11-18 09:35:02,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 09:35:03,330 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-18 09:35:03,331 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:35:03,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-18 09:35:03,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 09:35:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-18 09:35:03,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 09:35:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-18 09:35:03,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476152140] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 09:35:03,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 09:35:03,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2024-11-18 09:35:03,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799353941] [2024-11-18 09:35:03,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 09:35:03,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-18 09:35:03,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:35:03,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-18 09:35:03,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2024-11-18 09:35:03,769 INFO L87 Difference]: Start difference. First operand 1251 states and 1780 transitions. Second operand has 27 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-18 09:35:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:35:08,189 INFO L93 Difference]: Finished difference Result 2534 states and 3619 transitions. [2024-11-18 09:35:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-18 09:35:08,190 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 121 [2024-11-18 09:35:08,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:35:08,195 INFO L225 Difference]: With dead ends: 2534 [2024-11-18 09:35:08,195 INFO L226 Difference]: Without dead ends: 1308 [2024-11-18 09:35:08,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=516, Invalid=890, Unknown=0, NotChecked=0, Total=1406 [2024-11-18 09:35:08,199 INFO L432 NwaCegarLoop]: 942 mSDtfsCounter, 296 mSDsluCounter, 12181 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 13123 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-18 09:35:08,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 13123 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-18 09:35:08,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2024-11-18 09:35:08,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1305. [2024-11-18 09:35:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 1082 states have (on average 1.365988909426987) internal successors, (1478), 1086 states have internal predecessors, (1478), 156 states have call successors, (156), 62 states have call predecessors, (156), 66 states have return successors, (200), 156 states have call predecessors, (200), 150 states have call successors, (200) [2024-11-18 09:35:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1834 transitions. [2024-11-18 09:35:08,300 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1834 transitions. Word has length 121 [2024-11-18 09:35:08,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:35:08,300 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1834 transitions. [2024-11-18 09:35:08,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.925925925925926) internal successors, (106), 27 states have internal predecessors, (106), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-18 09:35:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1834 transitions. [2024-11-18 09:35:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-18 09:35:08,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:35:08,304 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 12, 12, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:35:08,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-18 09:35:08,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:35:08,505 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:35:08,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:35:08,505 INFO L85 PathProgramCache]: Analyzing trace with hash -860658460, now seen corresponding path program 5 times [2024-11-18 09:35:08,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:35:08,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448413458] [2024-11-18 09:35:08,505 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-18 09:35:08,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:35:09,589 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2024-11-18 09:35:09,589 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:35:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2024-11-18 09:35:11,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:35:11,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448413458] [2024-11-18 09:35:11,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448413458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:35:11,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158479547] [2024-11-18 09:35:11,121 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-18 09:35:11,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:35:11,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:35:11,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 09:35:11,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process