./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 16:02:15,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 16:02:15,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 16:02:15,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 16:02:15,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 16:02:15,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 16:02:15,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 16:02:15,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 16:02:15,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 16:02:15,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 16:02:15,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 16:02:15,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 16:02:15,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 16:02:15,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 16:02:15,184 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 16:02:15,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 16:02:15,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 16:02:15,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 16:02:15,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 16:02:15,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 16:02:15,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 16:02:15,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 16:02:15,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 16:02:15,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 16:02:15,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 16:02:15,192 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 16:02:15,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 16:02:15,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 16:02:15,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 16:02:15,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 16:02:15,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 16:02:15,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 16:02:15,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:02:15,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 16:02:15,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 16:02:15,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 16:02:15,195 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 16:02:15,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 16:02:15,195 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 16:02:15,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 16:02:15,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 16:02:15,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 16:02:15,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 [2024-11-11 16:02:15,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 16:02:15,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 16:02:15,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 16:02:15,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 16:02:15,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 16:02:15,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2024-11-11 16:02:16,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 16:02:17,352 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 16:02:17,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2024-11-11 16:02:17,404 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/471113f86/ceae2950d0b742d083918c16ab8102cd/FLAG83cbc1a51 [2024-11-11 16:02:17,481 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/471113f86/ceae2950d0b742d083918c16ab8102cd [2024-11-11 16:02:17,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 16:02:17,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 16:02:17,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 16:02:17,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 16:02:17,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 16:02:17,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:02:17" (1/1) ... [2024-11-11 16:02:17,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbce1a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:17, skipping insertion in model container [2024-11-11 16:02:17,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:02:17" (1/1) ... [2024-11-11 16:02:17,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 16:02:18,351 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] [2024-11-11 16:02:19,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:02:19,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 16:02:19,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [13] [2024-11-11 16:02:19,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [14] [2024-11-11 16:02:19,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [187] [2024-11-11 16:02:19,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [193] [2024-11-11 16:02:19,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [399] [2024-11-11 16:02:19,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [452] [2024-11-11 16:02:19,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [471] [2024-11-11 16:02:19,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [472] [2024-11-11 16:02:19,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1153] [2024-11-11 16:02:19,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1326] [2024-11-11 16:02:19,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1446] [2024-11-11 16:02:19,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1447] [2024-11-11 16:02:19,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(1) [2284] [2024-11-11 16:02:19,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack() [2285] [2024-11-11 16:02:19,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [2626] [2024-11-11 16:02:19,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2627] [2024-11-11 16:02:19,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2630] [2024-11-11 16:02:19,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2631] [2024-11-11 16:02:19,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2632] [2024-11-11 16:02:19,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2633] [2024-11-11 16:02:19,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [2634] [2024-11-11 16:02:19,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2635] [2024-11-11 16:02:19,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2642] [2024-11-11 16:02:19,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2643] [2024-11-11 16:02:19,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2644] [2024-11-11 16:02:19,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2645] [2024-11-11 16:02:19,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2646] [2024-11-11 16:02:19,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2651] [2024-11-11 16:02:19,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2652] [2024-11-11 16:02:19,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2681] [2024-11-11 16:02:19,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2682] [2024-11-11 16:02:19,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2683] [2024-11-11 16:02:19,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2690] [2024-11-11 16:02:19,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2691] [2024-11-11 16:02:19,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [2692] [2024-11-11 16:02:19,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [2693] [2024-11-11 16:02:19,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [2694] [2024-11-11 16:02:19,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2695] [2024-11-11 16:02:19,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2696] [2024-11-11 16:02:19,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2697] [2024-11-11 16:02:19,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2698] [2024-11-11 16:02:19,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2699] [2024-11-11 16:02:19,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2753] [2024-11-11 16:02:19,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2754] [2024-11-11 16:02:19,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2827] [2024-11-11 16:02:19,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2828] [2024-11-11 16:02:19,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2840] [2024-11-11 16:02:19,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2841] [2024-11-11 16:02:19,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [2910] [2024-11-11 16:02:19,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudioNECDeviceControl) [2911] [2024-11-11 16:02:19,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHitachiSendPauseCommand) [2912] [2024-11-11 16:02:19,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHitachiDeviceControl) [2913] [2024-11-11 16:02:19,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioDenonDeviceControl) [2914] [2024-11-11 16:02:19,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudio435DeviceControl) [2915] [2024-11-11 16:02:19,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudio535DeviceControl) [2916] [2024-11-11 16:02:19,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioPioneerDeviceControl) [2917] [2024-11-11 16:02:19,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudioPan533DeviceControl) [2918] [2024-11-11 16:02:19,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioAtapiDeviceControl) [2919] [2024-11-11 16:02:19,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioLionOpticsDeviceControl) [2920] [2024-11-11 16:02:19,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHPCdrDeviceControl) [2921] [2024-11-11 16:02:19,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,HpCdrProcessLastSession) [2922] [2024-11-11 16:02:19,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,HPCdrCompletion) [2923] [2024-11-11 16:02:19,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7517] [2024-11-11 16:02:19,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7518] [2024-11-11 16:02:19,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7519] [2024-11-11 16:02:19,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7520] [2024-11-11 16:02:19,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7521] [2024-11-11 16:02:19,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7522] [2024-11-11 16:02:19,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7523] [2024-11-11 16:02:19,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7524] [2024-11-11 16:02:19,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7525] [2024-11-11 16:02:19,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7526] [2024-11-11 16:02:19,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [7527] [2024-11-11 16:02:19,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [7528] [2024-11-11 16:02:19,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [7529] [2024-11-11 16:02:19,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7530] [2024-11-11 16:02:19,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7531] [2024-11-11 16:02:19,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7532] [2024-11-11 16:02:19,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7533] [2024-11-11 16:02:19,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7534] [2024-11-11 16:02:19,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7535] [2024-11-11 16:02:19,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7536] [2024-11-11 16:02:19,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [7537] [2024-11-11 16:02:19,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [7538] [2024-11-11 16:02:19,232 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] [2024-11-11 16:02:19,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:02:19,688 INFO L204 MainTranslator]: Completed translation [2024-11-11 16:02:19,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19 WrapperNode [2024-11-11 16:02:19,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 16:02:19,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 16:02:19,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 16:02:19,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 16:02:19,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:19,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:19,902 INFO L138 Inliner]: procedures = 120, calls = 2181, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2469 [2024-11-11 16:02:19,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 16:02:19,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 16:02:19,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 16:02:19,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 16:02:19,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:19,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:19,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:20,034 INFO L175 MemorySlicer]: Split 698 memory accesses to 14 slices as follows [2, 1, 7, 20, 4, 2, 1, 84, 111, 224, 1, 13, 113, 115]. 32 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 7, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 397 writes are split as follows [0, 0, 0, 4, 0, 0, 0, 53, 86, 118, 1, 12, 112, 11]. [2024-11-11 16:02:20,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:20,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:20,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:20,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:20,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:20,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:20,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 16:02:20,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 16:02:20,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 16:02:20,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 16:02:20,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (1/1) ... [2024-11-11 16:02:20,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:02:20,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:02:20,263 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) [2024-11-11 16:02:20,274 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 [2024-11-11 16:02:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-11 16:02:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-11 16:02:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-11 16:02:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-11 16:02:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-11 16:02:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-11 16:02:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-11 16:02:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-11 16:02:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-11 16:02:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-11 16:02:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-11 16:02:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-11 16:02:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-11 16:02:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-11 16:02:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-11 16:02:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-11 16:02:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-11 16:02:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-11 16:02:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-11 16:02:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-11 16:02:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-11 16:02:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-11 16:02:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-11 16:02:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-11 16:02:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-11 16:02:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-11 16:02:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-11 16:02:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-11 16:02:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-11 16:02:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-11 16:02:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-11 16:02:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-11 16:02:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-11 16:02:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-11 16:02:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-11 16:02:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-11 16:02:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-11 16:02:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-11 16:02:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-11 16:02:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-11 16:02:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-11 16:02:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-11 16:02:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-11 16:02:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-11 16:02:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-11 16:02:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-11 16:02:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-11 16:02:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-11 16:02:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-11 16:02:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-11 16:02:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-11 16:02:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-11 16:02:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-11 16:02:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-11 16:02:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-11 16:02:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-11 16:02:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-11 16:02:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-11 16:02:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-11 16:02:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-11 16:02:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2024-11-11 16:02:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2024-11-11 16:02:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-11 16:02:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-11 16:02:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2024-11-11 16:02:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2024-11-11 16:02:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2024-11-11 16:02:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-11 16:02:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-11 16:02:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-11 16:02:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-11 16:02:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-11 16:02:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-11 16:02:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-11 16:02:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-11 16:02:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-11 16:02:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-11 16:02:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-11 16:02:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-11 16:02:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-11 16:02:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-11 16:02:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-11 16:02:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-11 16:02:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-11 16:02:20,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-11 16:02:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2024-11-11 16:02:20,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2024-11-11 16:02:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-11 16:02:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-11 16:02:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-11 16:02:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2024-11-11 16:02:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2024-11-11 16:02:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2024-11-11 16:02:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-11 16:02:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-11 16:02:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-11 16:02:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-11 16:02:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-11 16:02:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-11 16:02:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-11 16:02:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-11 16:02:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 16:02:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-11-11 16:02:20,346 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-11-11 16:02:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-11 16:02:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-11 16:02:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-11 16:02:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-11 16:02:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-11 16:02:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2024-11-11 16:02:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2024-11-11 16:02:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2024-11-11 16:02:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2024-11-11 16:02:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 16:02:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-11 16:02:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-11 16:02:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2024-11-11 16:02:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2024-11-11 16:02:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 16:02:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 16:02:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 16:02:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 16:02:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-11 16:02:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-11 16:02:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-11 16:02:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2024-11-11 16:02:20,351 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-11 16:02:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-11 16:02:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2024-11-11 16:02:20,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2024-11-11 16:02:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 16:02:20,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 16:02:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2024-11-11 16:02:20,353 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2024-11-11 16:02:20,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 16:02:20,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 16:02:21,318 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:21,359 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2024-11-11 16:02:21,359 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2024-11-11 16:02:21,575 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:21,581 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2024-11-11 16:02:21,581 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2024-11-11 16:02:21,786 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:21,799 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2024-11-11 16:02:21,800 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-11-11 16:02:22,398 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:22,398 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:22,399 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:22,410 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:22,420 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:22,426 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-11 16:02:25,458 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##202: assume !false; [2024-11-11 16:02:25,458 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume false; [2024-11-11 16:02:25,458 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##600: assume !false; [2024-11-11 16:02:25,459 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0; [2024-11-11 16:02:25,459 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2024-11-11 16:02:25,459 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2024-11-11 16:02:25,459 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2024-11-11 16:02:25,459 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2024-11-11 16:02:25,459 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2024-11-11 16:02:25,459 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2024-11-11 16:02:25,460 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume !false; [2024-11-11 16:02:25,460 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##348: assume false; [2024-11-11 16:02:25,460 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##599: assume false; [2024-11-11 16:02:25,866 INFO L? ?]: Removed 899 outVars from TransFormulas that were not future-live. [2024-11-11 16:02:25,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 16:02:25,910 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 16:02:25,913 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-11 16:02:25,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:02:25 BoogieIcfgContainer [2024-11-11 16:02:25,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 16:02:25,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 16:02:25,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 16:02:25,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 16:02:25,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 04:02:17" (1/3) ... [2024-11-11 16:02:25,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131c217d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:02:25, skipping insertion in model container [2024-11-11 16:02:25,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:02:19" (2/3) ... [2024-11-11 16:02:25,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131c217d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:02:25, skipping insertion in model container [2024-11-11 16:02:25,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:02:25" (3/3) ... [2024-11-11 16:02:25,924 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2024-11-11 16:02:25,940 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 16:02:25,941 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 16:02:26,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 16:02:26,041 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;@27416241, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 16:02:26,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 16:02:26,049 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) [2024-11-11 16:02:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-11 16:02:26,056 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:26,057 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:02:26,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:26,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:26,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1452259225, now seen corresponding path program 1 times [2024-11-11 16:02:26,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:26,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325114752] [2024-11-11 16:02:26,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:26,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:26,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:26,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:26,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325114752] [2024-11-11 16:02:26,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325114752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:26,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:26,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 16:02:26,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442638528] [2024-11-11 16:02:26,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:26,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 16:02:26,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:26,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 16:02:26,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 16:02:26,480 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) [2024-11-11 16:02:26,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:26,607 INFO L93 Difference]: Finished difference Result 1386 states and 2192 transitions. [2024-11-11 16:02:26,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 16:02:26,611 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 [2024-11-11 16:02:26,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:26,629 INFO L225 Difference]: With dead ends: 1386 [2024-11-11 16:02:26,629 INFO L226 Difference]: Without dead ends: 689 [2024-11-11 16:02:26,637 INFO L434 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 [2024-11-11 16:02:26,640 INFO L435 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 [2024-11-11 16:02:26,641 INFO L436 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] [2024-11-11 16:02:26,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-11 16:02:26,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2024-11-11 16:02:26,725 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) [2024-11-11 16:02:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1031 transitions. [2024-11-11 16:02:26,734 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1031 transitions. Word has length 19 [2024-11-11 16:02:26,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:26,735 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1031 transitions. [2024-11-11 16:02:26,735 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) [2024-11-11 16:02:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1031 transitions. [2024-11-11 16:02:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-11 16:02:26,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:26,736 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:02:26,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 16:02:26,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:26,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:26,738 INFO L85 PathProgramCache]: Analyzing trace with hash -147217445, now seen corresponding path program 1 times [2024-11-11 16:02:26,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:26,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817408256] [2024-11-11 16:02:26,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:26,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:26,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817408256] [2024-11-11 16:02:26,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817408256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:26,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:26,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:02:26,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991724537] [2024-11-11 16:02:26,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:26,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 16:02:26,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:26,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 16:02:26,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 16:02:26,909 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) [2024-11-11 16:02:27,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:27,026 INFO L93 Difference]: Finished difference Result 708 states and 1056 transitions. [2024-11-11 16:02:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 16:02:27,027 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 [2024-11-11 16:02:27,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:27,034 INFO L225 Difference]: With dead ends: 708 [2024-11-11 16:02:27,035 INFO L226 Difference]: Without dead ends: 689 [2024-11-11 16:02:27,036 INFO L434 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 [2024-11-11 16:02:27,038 INFO L435 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 [2024-11-11 16:02:27,038 INFO L436 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] [2024-11-11 16:02:27,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-11 16:02:27,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2024-11-11 16:02:27,089 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) [2024-11-11 16:02:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1030 transitions. [2024-11-11 16:02:27,096 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1030 transitions. Word has length 19 [2024-11-11 16:02:27,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:27,097 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1030 transitions. [2024-11-11 16:02:27,097 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) [2024-11-11 16:02:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1030 transitions. [2024-11-11 16:02:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-11 16:02:27,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:27,099 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:02:27,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 16:02:27,099 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:27,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:27,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1289158732, now seen corresponding path program 1 times [2024-11-11 16:02:27,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:27,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247842882] [2024-11-11 16:02:27,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:27,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:27,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:27,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247842882] [2024-11-11 16:02:27,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247842882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:27,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:27,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:02:27,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122764179] [2024-11-11 16:02:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:27,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 16:02:27,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:27,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 16:02:27,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 16:02:27,255 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) [2024-11-11 16:02:27,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:27,463 INFO L93 Difference]: Finished difference Result 1226 states and 1823 transitions. [2024-11-11 16:02:27,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 16:02:27,464 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 [2024-11-11 16:02:27,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:27,471 INFO L225 Difference]: With dead ends: 1226 [2024-11-11 16:02:27,471 INFO L226 Difference]: Without dead ends: 973 [2024-11-11 16:02:27,473 INFO L434 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 [2024-11-11 16:02:27,474 INFO L435 NwaCegarLoop]: 1340 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, 1769 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 [2024-11-11 16:02:27,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 1769 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 16:02:27,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2024-11-11 16:02:27,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 954. [2024-11-11 16:02:27,576 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) [2024-11-11 16:02:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1422 transitions. [2024-11-11 16:02:27,581 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1422 transitions. Word has length 21 [2024-11-11 16:02:27,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:27,582 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1422 transitions. [2024-11-11 16:02:27,582 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) [2024-11-11 16:02:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1422 transitions. [2024-11-11 16:02:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-11 16:02:27,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:27,584 INFO L218 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] [2024-11-11 16:02:27,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 16:02:27,585 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:27,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:27,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1599811433, now seen corresponding path program 1 times [2024-11-11 16:02:27,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:27,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950470816] [2024-11-11 16:02:27,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:27,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:27,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:27,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950470816] [2024-11-11 16:02:27,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950470816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:27,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:27,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:02:27,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710875982] [2024-11-11 16:02:27,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:27,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 16:02:27,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:27,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 16:02:27,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 16:02:27,767 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) [2024-11-11 16:02:27,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:27,831 INFO L93 Difference]: Finished difference Result 1526 states and 2256 transitions. [2024-11-11 16:02:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 16:02:27,832 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 [2024-11-11 16:02:27,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:27,841 INFO L225 Difference]: With dead ends: 1526 [2024-11-11 16:02:27,841 INFO L226 Difference]: Without dead ends: 1394 [2024-11-11 16:02:27,843 INFO L434 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 [2024-11-11 16:02:27,845 INFO L435 NwaCegarLoop]: 1245 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, 1679 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 [2024-11-11 16:02:27,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 1679 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 16:02:27,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2024-11-11 16:02:27,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1359. [2024-11-11 16:02:27,913 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) [2024-11-11 16:02:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 2028 transitions. [2024-11-11 16:02:27,920 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 2028 transitions. Word has length 28 [2024-11-11 16:02:27,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:27,921 INFO L471 AbstractCegarLoop]: Abstraction has 1359 states and 2028 transitions. [2024-11-11 16:02:27,921 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) [2024-11-11 16:02:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2028 transitions. [2024-11-11 16:02:27,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-11 16:02:27,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:27,926 INFO L218 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] [2024-11-11 16:02:27,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 16:02:27,926 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:27,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:27,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1701522095, now seen corresponding path program 1 times [2024-11-11 16:02:27,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:27,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957816980] [2024-11-11 16:02:27,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:27,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:28,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:28,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:28,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957816980] [2024-11-11 16:02:28,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957816980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:28,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:28,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:02:28,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565841984] [2024-11-11 16:02:28,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:28,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 16:02:28,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:28,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 16:02:28,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 16:02:28,017 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) [2024-11-11 16:02:28,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:28,217 INFO L93 Difference]: Finished difference Result 3144 states and 4792 transitions. [2024-11-11 16:02:28,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 16:02:28,219 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 [2024-11-11 16:02:28,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:28,232 INFO L225 Difference]: With dead ends: 3144 [2024-11-11 16:02:28,233 INFO L226 Difference]: Without dead ends: 2383 [2024-11-11 16:02:28,236 INFO L434 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 [2024-11-11 16:02:28,237 INFO L435 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 [2024-11-11 16:02:28,237 INFO L436 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] [2024-11-11 16:02:28,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-11-11 16:02:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 1619. [2024-11-11 16:02:28,319 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) [2024-11-11 16:02:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2423 transitions. [2024-11-11 16:02:28,328 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2423 transitions. Word has length 28 [2024-11-11 16:02:28,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:28,329 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2423 transitions. [2024-11-11 16:02:28,330 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) [2024-11-11 16:02:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2423 transitions. [2024-11-11 16:02:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-11 16:02:28,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:28,333 INFO L218 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] [2024-11-11 16:02:28,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 16:02:28,333 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:28,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:28,334 INFO L85 PathProgramCache]: Analyzing trace with hash -557001360, now seen corresponding path program 1 times [2024-11-11 16:02:28,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:28,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40833077] [2024-11-11 16:02:28,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:28,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:28,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:28,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40833077] [2024-11-11 16:02:28,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40833077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:28,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:28,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:02:28,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371787623] [2024-11-11 16:02:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:28,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 16:02:28,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:28,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 16:02:28,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 16:02:28,474 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) [2024-11-11 16:02:28,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:28,588 INFO L93 Difference]: Finished difference Result 1622 states and 2425 transitions. [2024-11-11 16:02:28,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 16:02:28,589 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 [2024-11-11 16:02:28,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:28,597 INFO L225 Difference]: With dead ends: 1622 [2024-11-11 16:02:28,597 INFO L226 Difference]: Without dead ends: 1618 [2024-11-11 16:02:28,599 INFO L434 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 [2024-11-11 16:02:28,599 INFO L435 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 [2024-11-11 16:02:28,600 INFO L436 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] [2024-11-11 16:02:28,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2024-11-11 16:02:28,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1618. [2024-11-11 16:02:28,666 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) [2024-11-11 16:02:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 2420 transitions. [2024-11-11 16:02:28,674 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 2420 transitions. Word has length 28 [2024-11-11 16:02:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:28,675 INFO L471 AbstractCegarLoop]: Abstraction has 1618 states and 2420 transitions. [2024-11-11 16:02:28,675 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) [2024-11-11 16:02:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2420 transitions. [2024-11-11 16:02:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-11 16:02:28,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:28,676 INFO L218 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] [2024-11-11 16:02:28,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 16:02:28,677 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:28,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:28,677 INFO L85 PathProgramCache]: Analyzing trace with hash 968439853, now seen corresponding path program 1 times [2024-11-11 16:02:28,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:28,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961231355] [2024-11-11 16:02:28,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:28,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:28,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:28,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:28,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961231355] [2024-11-11 16:02:28,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961231355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:28,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:28,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 16:02:28,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723916208] [2024-11-11 16:02:28,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:28,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 16:02:28,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:28,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 16:02:28,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 16:02:28,879 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) [2024-11-11 16:02:29,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:29,605 INFO L93 Difference]: Finished difference Result 2929 states and 4417 transitions. [2024-11-11 16:02:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 16:02:29,605 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 [2024-11-11 16:02:29,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:29,617 INFO L225 Difference]: With dead ends: 2929 [2024-11-11 16:02:29,617 INFO L226 Difference]: Without dead ends: 1932 [2024-11-11 16:02:29,620 INFO L434 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 [2024-11-11 16:02:29,621 INFO L435 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 [2024-11-11 16:02:29,621 INFO L436 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] [2024-11-11 16:02:29,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2024-11-11 16:02:29,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1606. [2024-11-11 16:02:29,695 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) [2024-11-11 16:02:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2396 transitions. [2024-11-11 16:02:29,703 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2396 transitions. Word has length 29 [2024-11-11 16:02:29,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:29,704 INFO L471 AbstractCegarLoop]: Abstraction has 1606 states and 2396 transitions. [2024-11-11 16:02:29,704 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) [2024-11-11 16:02:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2396 transitions. [2024-11-11 16:02:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-11 16:02:29,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:29,706 INFO L218 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] [2024-11-11 16:02:29,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 16:02:29,706 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:29,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:29,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1032153716, now seen corresponding path program 1 times [2024-11-11 16:02:29,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:29,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922145027] [2024-11-11 16:02:29,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:29,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:29,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:29,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922145027] [2024-11-11 16:02:29,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922145027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:29,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:29,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 16:02:29,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010343346] [2024-11-11 16:02:29,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:29,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 16:02:29,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:29,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 16:02:29,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 16:02:29,879 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) [2024-11-11 16:02:30,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:30,341 INFO L93 Difference]: Finished difference Result 1667 states and 2476 transitions. [2024-11-11 16:02:30,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 16:02:30,342 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 [2024-11-11 16:02:30,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:30,349 INFO L225 Difference]: With dead ends: 1667 [2024-11-11 16:02:30,350 INFO L226 Difference]: Without dead ends: 1623 [2024-11-11 16:02:30,350 INFO L434 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 [2024-11-11 16:02:30,351 INFO L435 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 [2024-11-11 16:02:30,351 INFO L436 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] [2024-11-11 16:02:30,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2024-11-11 16:02:30,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1606. [2024-11-11 16:02:30,421 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) [2024-11-11 16:02:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2394 transitions. [2024-11-11 16:02:30,429 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2394 transitions. Word has length 37 [2024-11-11 16:02:30,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:30,429 INFO L471 AbstractCegarLoop]: Abstraction has 1606 states and 2394 transitions. [2024-11-11 16:02:30,429 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) [2024-11-11 16:02:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2394 transitions. [2024-11-11 16:02:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-11 16:02:30,431 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:30,431 INFO L218 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] [2024-11-11 16:02:30,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 16:02:30,432 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:30,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:30,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1117000761, now seen corresponding path program 1 times [2024-11-11 16:02:30,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:30,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244993817] [2024-11-11 16:02:30,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:30,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:30,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:30,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244993817] [2024-11-11 16:02:30,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244993817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:30,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:30,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 16:02:30,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780843136] [2024-11-11 16:02:30,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:30,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 16:02:30,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:30,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 16:02:30,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 16:02:30,580 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) [2024-11-11 16:02:31,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:31,243 INFO L93 Difference]: Finished difference Result 1917 states and 2849 transitions. [2024-11-11 16:02:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 16:02:31,244 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 [2024-11-11 16:02:31,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:31,253 INFO L225 Difference]: With dead ends: 1917 [2024-11-11 16:02:31,254 INFO L226 Difference]: Without dead ends: 1908 [2024-11-11 16:02:31,254 INFO L434 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 [2024-11-11 16:02:31,255 INFO L435 NwaCegarLoop]: 1323 mSDtfsCounter, 1276 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 2093 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 [2024-11-11 16:02:31,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 2093 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-11 16:02:31,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-11-11 16:02:31,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1646. [2024-11-11 16:02:31,375 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) [2024-11-11 16:02:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2448 transitions. [2024-11-11 16:02:31,383 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2448 transitions. Word has length 39 [2024-11-11 16:02:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:31,384 INFO L471 AbstractCegarLoop]: Abstraction has 1646 states and 2448 transitions. [2024-11-11 16:02:31,384 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) [2024-11-11 16:02:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2448 transitions. [2024-11-11 16:02:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-11 16:02:31,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:31,386 INFO L218 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] [2024-11-11 16:02:31,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 16:02:31,387 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:31,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:31,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1117277591, now seen corresponding path program 1 times [2024-11-11 16:02:31,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:31,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051523105] [2024-11-11 16:02:31,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:31,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:31,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:31,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051523105] [2024-11-11 16:02:31,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051523105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:31,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:31,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:02:31,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568950106] [2024-11-11 16:02:31,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:31,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 16:02:31,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:31,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 16:02:31,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 16:02:31,473 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) [2024-11-11 16:02:31,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:31,585 INFO L93 Difference]: Finished difference Result 2268 states and 3355 transitions. [2024-11-11 16:02:31,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 16:02:31,586 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 [2024-11-11 16:02:31,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:31,597 INFO L225 Difference]: With dead ends: 2268 [2024-11-11 16:02:31,597 INFO L226 Difference]: Without dead ends: 2240 [2024-11-11 16:02:31,599 INFO L434 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 [2024-11-11 16:02:31,599 INFO L435 NwaCegarLoop]: 1026 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, 1405 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 [2024-11-11 16:02:31,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 1405 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 16:02:31,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2024-11-11 16:02:31,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2203. [2024-11-11 16:02:31,718 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) [2024-11-11 16:02:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 3267 transitions. [2024-11-11 16:02:31,727 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 3267 transitions. Word has length 39 [2024-11-11 16:02:31,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:31,727 INFO L471 AbstractCegarLoop]: Abstraction has 2203 states and 3267 transitions. [2024-11-11 16:02:31,727 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) [2024-11-11 16:02:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 3267 transitions. [2024-11-11 16:02:31,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-11 16:02:31,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:31,729 INFO L218 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] [2024-11-11 16:02:31,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 16:02:31,730 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:31,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:31,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1131622500, now seen corresponding path program 1 times [2024-11-11 16:02:31,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:31,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760664468] [2024-11-11 16:02:31,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:31,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:31,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:31,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760664468] [2024-11-11 16:02:31,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760664468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:31,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:31,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:02:31,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351837408] [2024-11-11 16:02:31,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:31,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 16:02:31,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:31,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 16:02:31,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 16:02:31,842 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) [2024-11-11 16:02:32,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:32,022 INFO L93 Difference]: Finished difference Result 2733 states and 4052 transitions. [2024-11-11 16:02:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 16:02:32,022 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 [2024-11-11 16:02:32,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:32,036 INFO L225 Difference]: With dead ends: 2733 [2024-11-11 16:02:32,036 INFO L226 Difference]: Without dead ends: 2720 [2024-11-11 16:02:32,038 INFO L434 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 [2024-11-11 16:02:32,039 INFO L435 NwaCegarLoop]: 1297 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, 2241 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 [2024-11-11 16:02:32,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 2241 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 16:02:32,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2024-11-11 16:02:32,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2200. [2024-11-11 16:02:32,156 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) [2024-11-11 16:02:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 3260 transitions. [2024-11-11 16:02:32,164 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 3260 transitions. Word has length 39 [2024-11-11 16:02:32,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:32,164 INFO L471 AbstractCegarLoop]: Abstraction has 2200 states and 3260 transitions. [2024-11-11 16:02:32,165 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) [2024-11-11 16:02:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 3260 transitions. [2024-11-11 16:02:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-11 16:02:32,166 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:32,166 INFO L218 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] [2024-11-11 16:02:32,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 16:02:32,167 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:32,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:32,167 INFO L85 PathProgramCache]: Analyzing trace with hash -557633380, now seen corresponding path program 1 times [2024-11-11 16:02:32,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:32,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892062173] [2024-11-11 16:02:32,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:32,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:32,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:32,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892062173] [2024-11-11 16:02:32,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892062173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:32,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:32,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 16:02:32,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881801200] [2024-11-11 16:02:32,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:32,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 16:02:32,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:32,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 16:02:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 16:02:32,292 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) [2024-11-11 16:02:32,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:32,805 INFO L93 Difference]: Finished difference Result 2230 states and 3292 transitions. [2024-11-11 16:02:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 16:02:32,806 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 [2024-11-11 16:02:32,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:32,817 INFO L225 Difference]: With dead ends: 2230 [2024-11-11 16:02:32,817 INFO L226 Difference]: Without dead ends: 2183 [2024-11-11 16:02:32,818 INFO L434 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 [2024-11-11 16:02:32,819 INFO L435 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 [2024-11-11 16:02:32,819 INFO L436 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] [2024-11-11 16:02:32,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-11-11 16:02:32,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2181. [2024-11-11 16:02:32,934 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) [2024-11-11 16:02:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 3229 transitions. [2024-11-11 16:02:32,945 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 3229 transitions. Word has length 39 [2024-11-11 16:02:32,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:32,946 INFO L471 AbstractCegarLoop]: Abstraction has 2181 states and 3229 transitions. [2024-11-11 16:02:32,950 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) [2024-11-11 16:02:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 3229 transitions. [2024-11-11 16:02:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-11 16:02:32,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:32,952 INFO L218 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] [2024-11-11 16:02:32,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 16:02:32,952 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:32,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:32,953 INFO L85 PathProgramCache]: Analyzing trace with hash -267383375, now seen corresponding path program 1 times [2024-11-11 16:02:32,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:32,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692918174] [2024-11-11 16:02:32,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:32,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:33,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:33,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692918174] [2024-11-11 16:02:33,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692918174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:33,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:33,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 16:02:33,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476849248] [2024-11-11 16:02:33,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:33,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 16:02:33,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:33,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 16:02:33,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 16:02:33,139 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) [2024-11-11 16:02:33,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:33,311 INFO L93 Difference]: Finished difference Result 2193 states and 3241 transitions. [2024-11-11 16:02:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 16:02:33,312 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 [2024-11-11 16:02:33,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:33,322 INFO L225 Difference]: With dead ends: 2193 [2024-11-11 16:02:33,322 INFO L226 Difference]: Without dead ends: 2165 [2024-11-11 16:02:33,324 INFO L434 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 [2024-11-11 16:02:33,325 INFO L435 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 [2024-11-11 16:02:33,325 INFO L436 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] [2024-11-11 16:02:33,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2024-11-11 16:02:33,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 2165. [2024-11-11 16:02:33,479 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) [2024-11-11 16:02:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 3210 transitions. [2024-11-11 16:02:33,488 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 3210 transitions. Word has length 40 [2024-11-11 16:02:33,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:33,488 INFO L471 AbstractCegarLoop]: Abstraction has 2165 states and 3210 transitions. [2024-11-11 16:02:33,489 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) [2024-11-11 16:02:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 3210 transitions. [2024-11-11 16:02:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-11 16:02:33,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:33,490 INFO L218 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] [2024-11-11 16:02:33,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 16:02:33,491 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:33,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:33,491 INFO L85 PathProgramCache]: Analyzing trace with hash -187966051, now seen corresponding path program 1 times [2024-11-11 16:02:33,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:33,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367719647] [2024-11-11 16:02:33,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:33,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:33,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-11 16:02:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:33,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:33,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367719647] [2024-11-11 16:02:33,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367719647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:33,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:33,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 16:02:33,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740879974] [2024-11-11 16:02:33,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:33,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 16:02:33,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:33,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 16:02:33,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:02:33,670 INFO L87 Difference]: Start difference. First operand 2165 states and 3210 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 16:02:37,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:37,072 INFO L93 Difference]: Finished difference Result 3046 states and 4437 transitions. [2024-11-11 16:02:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 16:02:37,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2024-11-11 16:02:37,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:37,080 INFO L225 Difference]: With dead ends: 3046 [2024-11-11 16:02:37,081 INFO L226 Difference]: Without dead ends: 1390 [2024-11-11 16:02:37,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-11 16:02:37,086 INFO L435 NwaCegarLoop]: 952 mSDtfsCounter, 800 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:37,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 2695 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-11 16:02:37,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2024-11-11 16:02:37,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1240. [2024-11-11 16:02:37,163 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) [2024-11-11 16:02:37,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1808 transitions. [2024-11-11 16:02:37,168 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1808 transitions. Word has length 45 [2024-11-11 16:02:37,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:37,168 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1808 transitions. [2024-11-11 16:02:37,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 16:02:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1808 transitions. [2024-11-11 16:02:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-11 16:02:37,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:37,172 INFO L218 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] [2024-11-11 16:02:37,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 16:02:37,172 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:37,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:37,173 INFO L85 PathProgramCache]: Analyzing trace with hash -2094335046, now seen corresponding path program 1 times [2024-11-11 16:02:37,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:37,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259490118] [2024-11-11 16:02:37,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:37,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:37,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 16:02:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:37,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:37,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259490118] [2024-11-11 16:02:37,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259490118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:37,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:37,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 16:02:37,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194953768] [2024-11-11 16:02:37,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:37,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 16:02:37,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:37,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 16:02:37,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 16:02:37,312 INFO L87 Difference]: Start difference. First operand 1240 states and 1808 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 16:02:39,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:39,896 INFO L93 Difference]: Finished difference Result 1881 states and 2739 transitions. [2024-11-11 16:02:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 16:02:39,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2024-11-11 16:02:39,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:39,904 INFO L225 Difference]: With dead ends: 1881 [2024-11-11 16:02:39,908 INFO L226 Difference]: Without dead ends: 1217 [2024-11-11 16:02:39,911 INFO L434 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 [2024-11-11 16:02:39,914 INFO L435 NwaCegarLoop]: 855 mSDtfsCounter, 995 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:39,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 1429 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-11 16:02:39,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-11 16:02:40,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1172. [2024-11-11 16:02:40,002 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) [2024-11-11 16:02:40,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1709 transitions. [2024-11-11 16:02:40,008 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1709 transitions. Word has length 46 [2024-11-11 16:02:40,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:40,008 INFO L471 AbstractCegarLoop]: Abstraction has 1172 states and 1709 transitions. [2024-11-11 16:02:40,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-11 16:02:40,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1709 transitions. [2024-11-11 16:02:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-11 16:02:40,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:40,011 INFO L218 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] [2024-11-11 16:02:40,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 16:02:40,011 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:40,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:40,013 INFO L85 PathProgramCache]: Analyzing trace with hash 208975687, now seen corresponding path program 1 times [2024-11-11 16:02:40,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:40,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249068359] [2024-11-11 16:02:40,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:40,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 16:02:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 16:02:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:40,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:40,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249068359] [2024-11-11 16:02:40,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249068359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:40,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:40,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 16:02:40,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409911625] [2024-11-11 16:02:40,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:40,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 16:02:40,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:40,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 16:02:40,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:02:40,146 INFO L87 Difference]: Start difference. First operand 1172 states and 1709 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 16:02:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:42,124 INFO L93 Difference]: Finished difference Result 1233 states and 1806 transitions. [2024-11-11 16:02:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 16:02:42,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-11 16:02:42,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:42,139 INFO L225 Difference]: With dead ends: 1233 [2024-11-11 16:02:42,140 INFO L226 Difference]: Without dead ends: 1205 [2024-11-11 16:02:42,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-11 16:02:42,141 INFO L435 NwaCegarLoop]: 790 mSDtfsCounter, 357 mSDsluCounter, 1848 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:42,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 2638 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-11 16:02:42,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2024-11-11 16:02:42,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1136. [2024-11-11 16:02:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 916 states have (on average 1.4246724890829694) internal successors, (1305), 923 states have internal predecessors, (1305), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-11 16:02:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1673 transitions. [2024-11-11 16:02:42,230 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1673 transitions. Word has length 49 [2024-11-11 16:02:42,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:42,231 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1673 transitions. [2024-11-11 16:02:42,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 16:02:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1673 transitions. [2024-11-11 16:02:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-11 16:02:42,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:42,261 INFO L218 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] [2024-11-11 16:02:42,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 16:02:42,261 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:42,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:42,262 INFO L85 PathProgramCache]: Analyzing trace with hash 631677513, now seen corresponding path program 1 times [2024-11-11 16:02:42,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:42,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292742469] [2024-11-11 16:02:42,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:42,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 16:02:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:42,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 16:02:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:42,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:42,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292742469] [2024-11-11 16:02:42,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292742469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:42,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:42,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 16:02:42,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738684300] [2024-11-11 16:02:42,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:42,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 16:02:42,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:42,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 16:02:42,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:02:42,396 INFO L87 Difference]: Start difference. First operand 1136 states and 1673 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:02:44,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:44,602 INFO L93 Difference]: Finished difference Result 1177 states and 1731 transitions. [2024-11-11 16:02:44,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 16:02:44,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 49 [2024-11-11 16:02:44,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:44,608 INFO L225 Difference]: With dead ends: 1177 [2024-11-11 16:02:44,608 INFO L226 Difference]: Without dead ends: 1170 [2024-11-11 16:02:44,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-11 16:02:44,609 INFO L435 NwaCegarLoop]: 788 mSDtfsCounter, 331 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 2680 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:44,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 2680 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-11 16:02:44,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2024-11-11 16:02:44,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1148. [2024-11-11 16:02:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 928 states have (on average 1.4213362068965518) internal successors, (1319), 935 states have internal predecessors, (1319), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-11 16:02:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1687 transitions. [2024-11-11 16:02:44,698 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1687 transitions. Word has length 49 [2024-11-11 16:02:44,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:44,699 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1687 transitions. [2024-11-11 16:02:44,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:02:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1687 transitions. [2024-11-11 16:02:44,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-11 16:02:44,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:44,701 INFO L218 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] [2024-11-11 16:02:44,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-11 16:02:44,702 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:44,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:44,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1884055995, now seen corresponding path program 1 times [2024-11-11 16:02:44,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:44,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321140774] [2024-11-11 16:02:44,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:44,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 16:02:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:44,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 16:02:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:44,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:44,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321140774] [2024-11-11 16:02:44,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321140774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:44,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:44,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 16:02:44,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358182013] [2024-11-11 16:02:44,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:44,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 16:02:44,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:44,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 16:02:44,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 16:02:44,950 INFO L87 Difference]: Start difference. First operand 1148 states and 1687 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:02:47,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:47,348 INFO L93 Difference]: Finished difference Result 1177 states and 1727 transitions. [2024-11-11 16:02:47,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 16:02:47,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50 [2024-11-11 16:02:47,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:47,354 INFO L225 Difference]: With dead ends: 1177 [2024-11-11 16:02:47,354 INFO L226 Difference]: Without dead ends: 1172 [2024-11-11 16:02:47,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-11 16:02:47,355 INFO L435 NwaCegarLoop]: 787 mSDtfsCounter, 1231 mSDsluCounter, 2423 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 3210 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:47,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 3210 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-11 16:02:47,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2024-11-11 16:02:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1148. [2024-11-11 16:02:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 928 states have (on average 1.4202586206896552) internal successors, (1318), 935 states have internal predecessors, (1318), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-11 16:02:47,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1686 transitions. [2024-11-11 16:02:47,450 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1686 transitions. Word has length 50 [2024-11-11 16:02:47,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:47,453 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1686 transitions. [2024-11-11 16:02:47,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:02:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1686 transitions. [2024-11-11 16:02:47,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-11 16:02:47,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:47,455 INFO L218 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] [2024-11-11 16:02:47,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-11 16:02:47,456 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:47,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:47,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1448314315, now seen corresponding path program 1 times [2024-11-11 16:02:47,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:47,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235811007] [2024-11-11 16:02:47,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:47,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 16:02:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:47,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 16:02:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:47,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:47,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235811007] [2024-11-11 16:02:47,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235811007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:47,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:47,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 16:02:47,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773800637] [2024-11-11 16:02:47,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:47,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 16:02:47,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:47,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 16:02:47,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:02:47,615 INFO L87 Difference]: Start difference. First operand 1148 states and 1686 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:02:49,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:49,406 INFO L93 Difference]: Finished difference Result 2318 states and 3410 transitions. [2024-11-11 16:02:49,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 16:02:49,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 51 [2024-11-11 16:02:49,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:49,410 INFO L225 Difference]: With dead ends: 2318 [2024-11-11 16:02:49,410 INFO L226 Difference]: Without dead ends: 1174 [2024-11-11 16:02:49,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-11 16:02:49,414 INFO L435 NwaCegarLoop]: 787 mSDtfsCounter, 304 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:49,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 2709 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-11 16:02:49,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-11 16:02:49,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1151. [2024-11-11 16:02:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 931 states have (on average 1.41890440386681) internal successors, (1321), 938 states have internal predecessors, (1321), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-11 16:02:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1689 transitions. [2024-11-11 16:02:49,501 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1689 transitions. Word has length 51 [2024-11-11 16:02:49,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:49,502 INFO L471 AbstractCegarLoop]: Abstraction has 1151 states and 1689 transitions. [2024-11-11 16:02:49,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:02:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1689 transitions. [2024-11-11 16:02:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-11 16:02:49,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:49,504 INFO L218 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] [2024-11-11 16:02:49,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-11 16:02:49,505 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:49,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:49,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1536773435, now seen corresponding path program 1 times [2024-11-11 16:02:49,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:49,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064157274] [2024-11-11 16:02:49,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:49,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:49,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 16:02:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 16:02:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-11 16:02:49,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064157274] [2024-11-11 16:02:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064157274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 16:02:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281534810] [2024-11-11 16:02:49,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:49,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 16:02:49,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:02:49,759 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) [2024-11-11 16:02:49,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-11 16:02:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:50,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-11 16:02:50,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 16:02:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:02:50,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 16:02:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-11 16:02:50,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281534810] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 16:02:50,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 16:02:50,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2024-11-11 16:02:50,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796393845] [2024-11-11 16:02:50,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 16:02:50,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 16:02:50,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:50,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 16:02:50,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-11 16:02:50,324 INFO L87 Difference]: Start difference. First operand 1151 states and 1689 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-11 16:02:53,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:53,294 INFO L93 Difference]: Finished difference Result 2331 states and 3427 transitions. [2024-11-11 16:02:53,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 16:02:53,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2024-11-11 16:02:53,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:53,300 INFO L225 Difference]: With dead ends: 2331 [2024-11-11 16:02:53,300 INFO L226 Difference]: Without dead ends: 1185 [2024-11-11 16:02:53,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-11 16:02:53,305 INFO L435 NwaCegarLoop]: 785 mSDtfsCounter, 317 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 3417 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:53,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 3417 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-11 16:02:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-11 16:02:53,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1161. [2024-11-11 16:02:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 941 states have (on average 1.414452709883103) internal successors, (1331), 948 states have internal predecessors, (1331), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-11 16:02:53,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1699 transitions. [2024-11-11 16:02:53,398 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1699 transitions. Word has length 57 [2024-11-11 16:02:53,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:53,398 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1699 transitions. [2024-11-11 16:02:53,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-11 16:02:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1699 transitions. [2024-11-11 16:02:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-11 16:02:53,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:53,404 INFO L218 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] [2024-11-11 16:02:53,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-11 16:02:53,608 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 [2024-11-11 16:02:53,609 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:53,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:53,610 INFO L85 PathProgramCache]: Analyzing trace with hash 631658299, now seen corresponding path program 2 times [2024-11-11 16:02:53,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:53,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940148158] [2024-11-11 16:02:53,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-11 16:02:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:53,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-11 16:02:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-11 16:02:53,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:53,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940148158] [2024-11-11 16:02:53,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940148158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 16:02:53,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754340784] [2024-11-11 16:02:53,952 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-11 16:02:53,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 16:02:53,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:02:53,954 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) [2024-11-11 16:02:53,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-11 16:02:54,473 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-11 16:02:54,473 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 16:02:54,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-11 16:02:54,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 16:02:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-11 16:02:54,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 16:02:54,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754340784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:54,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 16:02:54,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-11 16:02:54,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043158450] [2024-11-11 16:02:54,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:54,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 16:02:54,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:54,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 16:02:54,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 16:02:54,509 INFO L87 Difference]: Start difference. First operand 1161 states and 1699 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 16:02:54,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:54,646 INFO L93 Difference]: Finished difference Result 1987 states and 2952 transitions. [2024-11-11 16:02:54,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 16:02:54,646 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 [2024-11-11 16:02:54,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:54,650 INFO L225 Difference]: With dead ends: 1987 [2024-11-11 16:02:54,650 INFO L226 Difference]: Without dead ends: 1166 [2024-11-11 16:02:54,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 16:02:54,653 INFO L435 NwaCegarLoop]: 961 mSDtfsCounter, 0 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:54,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2877 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 16:02:54,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2024-11-11 16:02:54,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1166. [2024-11-11 16:02:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 946 states have (on average 1.412262156448203) internal successors, (1336), 953 states have internal predecessors, (1336), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-11 16:02:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1704 transitions. [2024-11-11 16:02:54,758 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1704 transitions. Word has length 67 [2024-11-11 16:02:54,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:54,759 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1704 transitions. [2024-11-11 16:02:54,759 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) [2024-11-11 16:02:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1704 transitions. [2024-11-11 16:02:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-11 16:02:54,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:54,762 INFO L218 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] [2024-11-11 16:02:54,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-11 16:02:54,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-11 16:02:54,963 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:54,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:54,963 INFO L85 PathProgramCache]: Analyzing trace with hash -2050092606, now seen corresponding path program 1 times [2024-11-11 16:02:54,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:54,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599853919] [2024-11-11 16:02:54,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:54,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 16:02:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:55,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-11 16:02:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-11 16:02:55,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:55,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599853919] [2024-11-11 16:02:55,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599853919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:55,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:55,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 16:02:55,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685169689] [2024-11-11 16:02:55,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:55,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 16:02:55,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:55,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 16:02:55,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:02:55,143 INFO L87 Difference]: Start difference. First operand 1166 states and 1704 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 16:02:58,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:02:58,077 INFO L93 Difference]: Finished difference Result 1812 states and 2633 transitions. [2024-11-11 16:02:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 16:02:58,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 69 [2024-11-11 16:02:58,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:02:58,082 INFO L225 Difference]: With dead ends: 1812 [2024-11-11 16:02:58,082 INFO L226 Difference]: Without dead ends: 1287 [2024-11-11 16:02:58,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-11 16:02:58,084 INFO L435 NwaCegarLoop]: 884 mSDtfsCounter, 678 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-11 16:02:58,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2638 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-11 16:02:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-11 16:02:58,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1166. [2024-11-11 16:02:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 946 states have (on average 1.4112050739957718) internal successors, (1335), 953 states have internal predecessors, (1335), 156 states have call successors, (156), 58 states have call predecessors, (156), 63 states have return successors, (212), 154 states have call predecessors, (212), 150 states have call successors, (212) [2024-11-11 16:02:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1703 transitions. [2024-11-11 16:02:58,173 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1703 transitions. Word has length 69 [2024-11-11 16:02:58,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:02:58,174 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1703 transitions. [2024-11-11 16:02:58,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 16:02:58,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1703 transitions. [2024-11-11 16:02:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-11 16:02:58,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:02:58,176 INFO L218 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] [2024-11-11 16:02:58,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-11 16:02:58,177 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:02:58,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:02:58,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1249239721, now seen corresponding path program 1 times [2024-11-11 16:02:58,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:02:58,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398583663] [2024-11-11 16:02:58,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:02:58,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:02:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:58,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-11 16:02:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:58,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-11 16:02:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:02:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-11 16:02:58,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:02:58,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398583663] [2024-11-11 16:02:58,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398583663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:02:58,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:02:58,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 16:02:58,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833684472] [2024-11-11 16:02:58,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:02:58,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-11 16:02:58,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:02:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-11 16:02:58,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-11 16:02:58,593 INFO L87 Difference]: Start difference. First operand 1166 states and 1703 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:03:03,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:03:03,355 INFO L93 Difference]: Finished difference Result 1212 states and 1770 transitions. [2024-11-11 16:03:03,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 16:03:03,356 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67 [2024-11-11 16:03:03,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:03:03,361 INFO L225 Difference]: With dead ends: 1212 [2024-11-11 16:03:03,361 INFO L226 Difference]: Without dead ends: 1197 [2024-11-11 16:03:03,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-11 16:03:03,363 INFO L435 NwaCegarLoop]: 838 mSDtfsCounter, 216 mSDsluCounter, 5785 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 6623 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-11 16:03:03,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 6623 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1997 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-11 16:03:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-11 16:03:03,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1164. [2024-11-11 16:03:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 945 states have (on average 1.4105820105820106) internal successors, (1333), 952 states have internal predecessors, (1333), 155 states have call successors, (155), 58 states have call predecessors, (155), 63 states have return successors, (211), 153 states have call predecessors, (211), 149 states have call successors, (211) [2024-11-11 16:03:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1699 transitions. [2024-11-11 16:03:03,464 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1699 transitions. Word has length 67 [2024-11-11 16:03:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:03:03,464 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1699 transitions. [2024-11-11 16:03:03,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:03:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1699 transitions. [2024-11-11 16:03:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-11 16:03:03,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:03:03,466 INFO L218 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] [2024-11-11 16:03:03,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-11 16:03:03,467 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:03:03,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:03:03,467 INFO L85 PathProgramCache]: Analyzing trace with hash 984331276, now seen corresponding path program 1 times [2024-11-11 16:03:03,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:03:03,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150603980] [2024-11-11 16:03:03,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:03:03,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:03:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-11 16:03:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:03,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 16:03:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:03,712 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-11 16:03:03,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:03:03,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150603980] [2024-11-11 16:03:03,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150603980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 16:03:03,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035879872] [2024-11-11 16:03:03,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:03:03,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 16:03:03,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:03:03,715 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) [2024-11-11 16:03:03,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-11 16:03:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:04,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-11 16:03:04,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 16:03:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-11 16:03:04,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 16:03:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-11 16:03:04,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035879872] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 16:03:04,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 16:03:04,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-11-11 16:03:04,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342122650] [2024-11-11 16:03:04,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 16:03:04,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-11 16:03:04,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:03:04,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-11 16:03:04,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-11 16:03:04,469 INFO L87 Difference]: Start difference. First operand 1164 states and 1699 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-11 16:03:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:03:07,173 INFO L93 Difference]: Finished difference Result 2343 states and 3426 transitions. [2024-11-11 16:03:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 16:03:07,173 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 68 [2024-11-11 16:03:07,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:03:07,177 INFO L225 Difference]: With dead ends: 2343 [2024-11-11 16:03:07,177 INFO L226 Difference]: Without dead ends: 1186 [2024-11-11 16:03:07,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-11 16:03:07,181 INFO L435 NwaCegarLoop]: 782 mSDtfsCounter, 331 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 4117 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-11 16:03:07,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 4117 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-11 16:03:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-11 16:03:07,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1178. [2024-11-11 16:03:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 959 states have (on average 1.4045881126173096) internal successors, (1347), 966 states have internal predecessors, (1347), 155 states have call successors, (155), 58 states have call predecessors, (155), 63 states have return successors, (211), 153 states have call predecessors, (211), 149 states have call successors, (211) [2024-11-11 16:03:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1713 transitions. [2024-11-11 16:03:07,282 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1713 transitions. Word has length 68 [2024-11-11 16:03:07,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:03:07,283 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1713 transitions. [2024-11-11 16:03:07,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-11 16:03:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1713 transitions. [2024-11-11 16:03:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-11 16:03:07,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:03:07,285 INFO L218 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] [2024-11-11 16:03:07,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-11 16:03:07,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 16:03:07,488 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:03:07,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:03:07,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1358092838, now seen corresponding path program 2 times [2024-11-11 16:03:07,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:03:07,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614953152] [2024-11-11 16:03:07,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:03:07,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:03:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:07,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-11 16:03:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:07,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-11 16:03:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-11 16:03:07,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:03:07,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614953152] [2024-11-11 16:03:07,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614953152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 16:03:07,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088648812] [2024-11-11 16:03:07,894 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-11 16:03:07,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 16:03:07,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:03:07,896 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) [2024-11-11 16:03:07,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-11 16:03:08,970 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-11 16:03:08,970 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 16:03:08,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-11 16:03:08,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 16:03:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-11 16:03:09,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 16:03:09,119 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-11 16:03:09,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088648812] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 16:03:09,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 16:03:09,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2024-11-11 16:03:09,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363110713] [2024-11-11 16:03:09,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 16:03:09,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-11 16:03:09,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:03:09,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-11 16:03:09,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-11 16:03:09,122 INFO L87 Difference]: Start difference. First operand 1178 states and 1713 transitions. Second operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 13 states have internal predecessors, (93), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-11 16:03:13,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:03:13,012 INFO L93 Difference]: Finished difference Result 2384 states and 3477 transitions. [2024-11-11 16:03:13,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-11 16:03:13,013 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 13 states have internal predecessors, (93), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 82 [2024-11-11 16:03:13,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:03:13,018 INFO L225 Difference]: With dead ends: 2384 [2024-11-11 16:03:13,018 INFO L226 Difference]: Without dead ends: 1221 [2024-11-11 16:03:13,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2024-11-11 16:03:13,022 INFO L435 NwaCegarLoop]: 783 mSDtfsCounter, 339 mSDsluCounter, 6181 mSDsCounter, 0 mSdLazyCounter, 2508 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 6964 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 2508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-11 16:03:13,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 6964 Invalid, 2766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 2508 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-11 16:03:13,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-11-11 16:03:13,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1214. [2024-11-11 16:03:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 995 states have (on average 1.3899497487437187) internal successors, (1383), 1002 states have internal predecessors, (1383), 155 states have call successors, (155), 58 states have call predecessors, (155), 63 states have return successors, (211), 153 states have call predecessors, (211), 149 states have call successors, (211) [2024-11-11 16:03:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1749 transitions. [2024-11-11 16:03:13,123 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1749 transitions. Word has length 82 [2024-11-11 16:03:13,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:03:13,124 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1749 transitions. [2024-11-11 16:03:13,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 13 states have internal predecessors, (93), 1 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-11 16:03:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1749 transitions. [2024-11-11 16:03:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-11 16:03:13,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:03:13,127 INFO L218 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] [2024-11-11 16:03:13,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-11 16:03:13,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 16:03:13,327 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:03:13,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:03:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1651609346, now seen corresponding path program 3 times [2024-11-11 16:03:13,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:03:13,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604555419] [2024-11-11 16:03:13,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:03:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:03:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-11 16:03:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:14,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 16:03:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-11 16:03:14,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:03:14,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604555419] [2024-11-11 16:03:14,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604555419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 16:03:14,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683989001] [2024-11-11 16:03:14,150 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-11 16:03:14,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 16:03:14,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:03:14,152 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) [2024-11-11 16:03:14,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-11 16:03:14,898 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-11 16:03:14,898 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 16:03:14,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-11 16:03:14,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 16:03:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-11 16:03:14,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 16:03:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-11 16:03:15,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683989001] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 16:03:15,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 16:03:15,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5, 5] total 22 [2024-11-11 16:03:15,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064032557] [2024-11-11 16:03:15,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 16:03:15,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-11 16:03:15,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:03:15,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-11 16:03:15,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-11 16:03:15,084 INFO L87 Difference]: Start difference. First operand 1214 states and 1749 transitions. Second operand has 22 states, 22 states have (on average 4.909090909090909) internal successors, (108), 20 states have internal predecessors, (108), 2 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 16:03:18,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:03:18,790 INFO L93 Difference]: Finished difference Result 2444 states and 3538 transitions. [2024-11-11 16:03:18,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-11 16:03:18,791 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.909090909090909) internal successors, (108), 20 states have internal predecessors, (108), 2 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 118 [2024-11-11 16:03:18,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:03:18,796 INFO L225 Difference]: With dead ends: 2444 [2024-11-11 16:03:18,796 INFO L226 Difference]: Without dead ends: 1243 [2024-11-11 16:03:18,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=845, Unknown=0, NotChecked=0, Total=992 [2024-11-11 16:03:18,800 INFO L435 NwaCegarLoop]: 781 mSDtfsCounter, 353 mSDsluCounter, 4765 mSDsCounter, 0 mSdLazyCounter, 2751 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 3020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 2751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-11 16:03:18,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 5546 Invalid, 3020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 2751 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-11 16:03:18,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2024-11-11 16:03:18,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1235. [2024-11-11 16:03:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1015 states have (on average 1.3852216748768473) internal successors, (1406), 1022 states have internal predecessors, (1406), 155 states have call successors, (155), 59 states have call predecessors, (155), 64 states have return successors, (211), 153 states have call predecessors, (211), 149 states have call successors, (211) [2024-11-11 16:03:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1772 transitions. [2024-11-11 16:03:18,912 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1772 transitions. Word has length 118 [2024-11-11 16:03:18,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:03:18,913 INFO L471 AbstractCegarLoop]: Abstraction has 1235 states and 1772 transitions. [2024-11-11 16:03:18,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.909090909090909) internal successors, (108), 20 states have internal predecessors, (108), 2 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-11 16:03:18,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1772 transitions. [2024-11-11 16:03:18,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-11 16:03:18,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:03:18,916 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:03:18,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-11 16:03:19,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-11 16:03:19,121 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:03:19,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:03:19,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1524872274, now seen corresponding path program 1 times [2024-11-11 16:03:19,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:03:19,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036602053] [2024-11-11 16:03:19,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:03:19,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:03:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:19,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 16:03:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:19,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-11 16:03:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-11 16:03:19,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:03:19,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036602053] [2024-11-11 16:03:19,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036602053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:03:19,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:03:19,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 16:03:19,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390084627] [2024-11-11 16:03:19,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:03:19,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-11 16:03:19,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:03:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-11 16:03:19,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-11 16:03:19,718 INFO L87 Difference]: Start difference. First operand 1235 states and 1772 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:03:24,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:03:24,998 INFO L93 Difference]: Finished difference Result 1280 states and 1838 transitions. [2024-11-11 16:03:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 16:03:24,999 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 125 [2024-11-11 16:03:24,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:03:25,004 INFO L225 Difference]: With dead ends: 1280 [2024-11-11 16:03:25,005 INFO L226 Difference]: Without dead ends: 1265 [2024-11-11 16:03:25,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-11 16:03:25,006 INFO L435 NwaCegarLoop]: 828 mSDtfsCounter, 216 mSDsluCounter, 5724 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 6552 SdHoareTripleChecker+Invalid, 2195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-11 16:03:25,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 6552 Invalid, 2195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-11 16:03:25,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2024-11-11 16:03:25,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1232. [2024-11-11 16:03:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1013 states have (on average 1.384995064165844) internal successors, (1403), 1020 states have internal predecessors, (1403), 154 states have call successors, (154), 59 states have call predecessors, (154), 64 states have return successors, (210), 152 states have call predecessors, (210), 148 states have call successors, (210) [2024-11-11 16:03:25,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1767 transitions. [2024-11-11 16:03:25,117 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1767 transitions. Word has length 125 [2024-11-11 16:03:25,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:03:25,118 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1767 transitions. [2024-11-11 16:03:25,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 16:03:25,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1767 transitions. [2024-11-11 16:03:25,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-11 16:03:25,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:03:25,122 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:03:25,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-11 16:03:25,122 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:03:25,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:03:25,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1615151689, now seen corresponding path program 1 times [2024-11-11 16:03:25,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:03:25,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28490016] [2024-11-11 16:03:25,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:03:25,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:03:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:25,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 16:03:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:25,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 16:03:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-11 16:03:25,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:03:25,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28490016] [2024-11-11 16:03:25,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28490016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:03:25,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:03:25,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 16:03:25,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478112072] [2024-11-11 16:03:25,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:03:25,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 16:03:25,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:03:25,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 16:03:25,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:03:25,354 INFO L87 Difference]: Start difference. First operand 1232 states and 1767 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 16:03:28,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:03:28,860 INFO L93 Difference]: Finished difference Result 1359 states and 1935 transitions. [2024-11-11 16:03:28,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 16:03:28,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (4), 4 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 126 [2024-11-11 16:03:28,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:03:28,865 INFO L225 Difference]: With dead ends: 1359 [2024-11-11 16:03:28,865 INFO L226 Difference]: Without dead ends: 1285 [2024-11-11 16:03:28,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-11 16:03:28,866 INFO L435 NwaCegarLoop]: 831 mSDtfsCounter, 1045 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-11 16:03:28,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 2294 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-11 16:03:28,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2024-11-11 16:03:28,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1221. [2024-11-11 16:03:28,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1006 states have (on average 1.385685884691849) internal successors, (1394), 1013 states have internal predecessors, (1394), 152 states have call successors, (152), 57 states have call predecessors, (152), 62 states have return successors, (208), 150 states have call predecessors, (208), 146 states have call successors, (208) [2024-11-11 16:03:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1754 transitions. [2024-11-11 16:03:28,981 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1754 transitions. Word has length 126 [2024-11-11 16:03:28,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:03:28,982 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1754 transitions. [2024-11-11 16:03:28,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 16:03:28,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1754 transitions. [2024-11-11 16:03:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-11 16:03:28,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:03:28,985 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:03:28,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-11 16:03:28,985 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:03:28,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:03:28,986 INFO L85 PathProgramCache]: Analyzing trace with hash 751674207, now seen corresponding path program 1 times [2024-11-11 16:03:28,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:03:28,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302815968] [2024-11-11 16:03:28,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:03:28,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:03:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:29,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 16:03:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:29,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-11 16:03:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:03:29,546 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-11 16:03:29,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:03:29,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302815968] [2024-11-11 16:03:29,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302815968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:03:29,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:03:29,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 16:03:29,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812028756] [2024-11-11 16:03:29,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:03:29,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 16:03:29,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:03:29,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 16:03:29,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-11 16:03:29,549 INFO L87 Difference]: Start difference. First operand 1221 states and 1754 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)