./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx --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 0.2.3-dev-527bcce [2023-11-21 22:05:02,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:02,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:05:02,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:02,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:02,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:02,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:02,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:02,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:02,160 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:02,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:02,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:02,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:02,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:02,163 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:02,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:02,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:02,165 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:02,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:02,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:02,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:02,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:02,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:02,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:02,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:02,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:02,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:02,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:02,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:02,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:02,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:02,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:02,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:02,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:02,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:02,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:05:02,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:05:02,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:02,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:02,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:02,188 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:02,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:02,189 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 [2023-11-21 22:05:02,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:02,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:02,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:02,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:02,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:02,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2023-11-21 22:05:05,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:06,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:06,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2023-11-21 22:05:06,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/data/c911d5413/aa38233888a74a6ba1456e89b47ff862/FLAG56f5a2166 [2023-11-21 22:05:06,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/data/c911d5413/aa38233888a74a6ba1456e89b47ff862 [2023-11-21 22:05:06,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:06,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:06,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:06,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:06,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:06,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e450838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06, skipping insertion in model container [2023-11-21 22:05:06,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:07,667 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2023-11-21 22:05:08,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:08,525 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:08,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [13] [2023-11-21 22:05:08,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [14] [2023-11-21 22:05:08,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [187] [2023-11-21 22:05:08,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [193] [2023-11-21 22:05:08,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [399] [2023-11-21 22:05:08,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [452] [2023-11-21 22:05:08,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [471] [2023-11-21 22:05:08,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [472] [2023-11-21 22:05:08,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1153] [2023-11-21 22:05:08,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1326] [2023-11-21 22:05:08,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1446] [2023-11-21 22:05:08,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1447] [2023-11-21 22:05:08,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(1) [2284] [2023-11-21 22:05:08,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack() [2285] [2023-11-21 22:05:08,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [2626] [2023-11-21 22:05:08,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2627] [2023-11-21 22:05:08,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2630] [2023-11-21 22:05:08,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2631] [2023-11-21 22:05:08,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2632] [2023-11-21 22:05:08,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2633] [2023-11-21 22:05:08,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [2634] [2023-11-21 22:05:08,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2635] [2023-11-21 22:05:08,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [2642] [2023-11-21 22:05:08,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [2643] [2023-11-21 22:05:08,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2644] [2023-11-21 22:05:08,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2645] [2023-11-21 22:05:08,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2646] [2023-11-21 22:05:08,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2651] [2023-11-21 22:05:08,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2652] [2023-11-21 22:05:08,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2681] [2023-11-21 22:05:08,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2682] [2023-11-21 22:05:08,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2683] [2023-11-21 22:05:08,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2690] [2023-11-21 22:05:08,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2691] [2023-11-21 22:05:08,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [2692] [2023-11-21 22:05:08,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [2693] [2023-11-21 22:05:08,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [2694] [2023-11-21 22:05:08,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2695] [2023-11-21 22:05:08,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2696] [2023-11-21 22:05:08,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2697] [2023-11-21 22:05:08,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2698] [2023-11-21 22:05:08,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2699] [2023-11-21 22:05:08,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2753] [2023-11-21 22:05:08,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2754] [2023-11-21 22:05:08,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2827] [2023-11-21 22:05:08,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2828] [2023-11-21 22:05:08,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2840] [2023-11-21 22:05:08,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2841] [2023-11-21 22:05:08,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [2910] [2023-11-21 22:05:08,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudioNECDeviceControl) [2911] [2023-11-21 22:05:08,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHitachiSendPauseCommand) [2912] [2023-11-21 22:05:08,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHitachiDeviceControl) [2913] [2023-11-21 22:05:08,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioDenonDeviceControl) [2914] [2023-11-21 22:05:08,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudio435DeviceControl) [2915] [2023-11-21 22:05:08,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudio535DeviceControl) [2916] [2023-11-21 22:05:08,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioPioneerDeviceControl) [2917] [2023-11-21 22:05:08,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDNC,CdAudioPan533DeviceControl) [2918] [2023-11-21 22:05:08,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioAtapiDeviceControl) [2919] [2023-11-21 22:05:08,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioLionOpticsDeviceControl) [2920] [2023-11-21 22:05:08,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,CdAudioHPCdrDeviceControl) [2921] [2023-11-21 22:05:08,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,HpCdrProcessLastSession) [2922] [2023-11-21 22:05:08,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGECDOT,HPCdrCompletion) [2923] [2023-11-21 22:05:08,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7517] [2023-11-21 22:05:08,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7518] [2023-11-21 22:05:08,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7519] [2023-11-21 22:05:08,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7520] [2023-11-21 22:05:08,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7521] [2023-11-21 22:05:08,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7522] [2023-11-21 22:05:08,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7523] [2023-11-21 22:05:08,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7524] [2023-11-21 22:05:08,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [7525] [2023-11-21 22:05:08,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [7526] [2023-11-21 22:05:08,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [7527] [2023-11-21 22:05:08,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [7528] [2023-11-21 22:05:08,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [7529] [2023-11-21 22:05:08,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [7530] [2023-11-21 22:05:08,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7531] [2023-11-21 22:05:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7532] [2023-11-21 22:05:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7533] [2023-11-21 22:05:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7534] [2023-11-21 22:05:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7535] [2023-11-21 22:05:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7536] [2023-11-21 22:05:08,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [7537] [2023-11-21 22:05:08,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [7538] [2023-11-21 22:05:08,685 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2023-11-21 22:05:09,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:09,147 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:09,154 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:09,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09 WrapperNode [2023-11-21 22:05:09,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:09,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:09,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:09,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:09,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,410 INFO L138 Inliner]: procedures = 120, calls = 2195, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2497 [2023-11-21 22:05:09,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:09,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:09,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:09,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:09,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,457 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,560 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:05:09,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:09,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:09,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:09,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:09,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (1/1) ... [2023-11-21 22:05:09,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:09,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:09,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:09,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5376f3-45c1-4301-97ab-3c0200284468/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:05:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:05:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:05:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:05:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-21 22:05:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-21 22:05:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:05:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:05:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2023-11-21 22:05:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2023-11-21 22:05:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:05:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2023-11-21 22:05:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2023-11-21 22:05:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2023-11-21 22:05:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2023-11-21 22:05:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-21 22:05:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-21 22:05:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:05:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:05:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2023-11-21 22:05:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2023-11-21 22:05:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-21 22:05:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-21 22:05:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:05:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2023-11-21 22:05:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2023-11-21 22:05:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2023-11-21 22:05:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2023-11-21 22:05:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:05:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:05:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-21 22:05:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-21 22:05:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:05:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:05:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2023-11-21 22:05:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2023-11-21 22:05:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2023-11-21 22:05:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2023-11-21 22:05:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:05:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-11-21 22:05:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-11-21 22:05:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2023-11-21 22:05:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2023-11-21 22:05:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:05:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2023-11-21 22:05:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2023-11-21 22:05:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:05:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2023-11-21 22:05:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2023-11-21 22:05:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2023-11-21 22:05:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2023-11-21 22:05:10,396 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:10,399 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:10,640 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:10,668 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2023-11-21 22:05:10,668 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-11-21 22:05:11,393 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:11,440 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2023-11-21 22:05:11,440 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2023-11-21 22:05:11,470 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:11,471 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:11,474 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:11,486 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:11,499 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:11,509 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:20,813 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##202: assume !false; [2023-11-21 22:05:20,813 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume false; [2023-11-21 22:05:20,813 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##600: assume !false; [2023-11-21 22:05:20,814 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0; [2023-11-21 22:05:20,814 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2023-11-21 22:05:20,814 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2023-11-21 22:05:20,814 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2023-11-21 22:05:20,814 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2023-11-21 22:05:20,814 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2023-11-21 22:05:20,815 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2023-11-21 22:05:20,815 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume !false; [2023-11-21 22:05:20,815 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##348: assume false; [2023-11-21 22:05:20,815 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##599: assume false; [2023-11-21 22:05:20,866 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:05:20,872 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-21 22:05:20,873 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-21 22:05:20,904 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:22,210 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:22,210 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 22:05:22,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:22 BoogieIcfgContainer [2023-11-21 22:05:22,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:22,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:22,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:22,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:22,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:06" (1/3) ... [2023-11-21 22:05:22,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284c2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:22, skipping insertion in model container [2023-11-21 22:05:22,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:09" (2/3) ... [2023-11-21 22:05:22,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284c2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:22, skipping insertion in model container [2023-11-21 22:05:22,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:22" (3/3) ... [2023-11-21 22:05:22,221 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2023-11-21 22:05:22,241 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:22,241 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:05:22,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:22,320 INFO L357 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, mHoare=true, 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;@15a8b52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:22,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:05:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 488 states, 354 states have (on average 1.536723163841808) internal successors, (544), 373 states have internal predecessors, (544), 113 states have call successors, (113), 19 states have call predecessors, (113), 19 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) [2023-11-21 22:05:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 22:05:22,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:22,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:05:22,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:22,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash 361468029, now seen corresponding path program 1 times [2023-11-21 22:05:22,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:22,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334719298] [2023-11-21 22:05:22,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:22,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:22,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:22,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334719298] [2023-11-21 22:05:22,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334719298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:22,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:22,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:05:22,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383606935] [2023-11-21 22:05:22,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:22,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:05:22,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:22,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:05:22,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:05:22,934 INFO L87 Difference]: Start difference. First operand has 488 states, 354 states have (on average 1.536723163841808) internal successors, (544), 373 states have internal predecessors, (544), 113 states have call successors, (113), 19 states have call predecessors, (113), 19 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-21 22:05:25,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:28,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:30,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:33,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:36,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:38,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:38,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:38,187 INFO L93 Difference]: Finished difference Result 1042 states and 1658 transitions. [2023-11-21 22:05:38,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:05:38,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2023-11-21 22:05:38,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:38,218 INFO L225 Difference]: With dead ends: 1042 [2023-11-21 22:05:38,219 INFO L226 Difference]: Without dead ends: 664 [2023-11-21 22:05:38,230 INFO L412 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 [2023-11-21 22:05:38,234 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 611 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:38,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 1207 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 15.1s Time] [2023-11-21 22:05:38,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2023-11-21 22:05:38,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 660. [2023-11-21 22:05:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 488 states have (on average 1.4938524590163935) internal successors, (729), 499 states have internal predecessors, (729), 141 states have call successors, (141), 33 states have call predecessors, (141), 30 states have return successors, (134), 129 states have call predecessors, (134), 129 states have call successors, (134) [2023-11-21 22:05:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1004 transitions. [2023-11-21 22:05:38,409 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1004 transitions. Word has length 12 [2023-11-21 22:05:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:38,410 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 1004 transitions. [2023-11-21 22:05:38,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-21 22:05:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1004 transitions. [2023-11-21 22:05:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 22:05:38,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:38,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:05:38,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:05:38,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:38,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:38,418 INFO L85 PathProgramCache]: Analyzing trace with hash -917535161, now seen corresponding path program 1 times [2023-11-21 22:05:38,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:38,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912972235] [2023-11-21 22:05:38,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:38,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:38,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:38,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912972235] [2023-11-21 22:05:38,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912972235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:38,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:38,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:05:38,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980285153] [2023-11-21 22:05:38,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:38,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:05:38,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:38,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:05:38,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:05:38,626 INFO L87 Difference]: Start difference. First operand 660 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-21 22:05:40,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:42,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:45,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:47,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:49,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:51,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:53,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:55,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:57,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:05:57,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:57,483 INFO L93 Difference]: Finished difference Result 679 states and 1029 transitions. [2023-11-21 22:05:57,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:05:57,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 14 [2023-11-21 22:05:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:57,499 INFO L225 Difference]: With dead ends: 679 [2023-11-21 22:05:57,499 INFO L226 Difference]: Without dead ends: 660 [2023-11-21 22:05:57,500 INFO L412 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 [2023-11-21 22:05:57,501 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 9 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:57,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1260 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 7 Unknown, 0 Unchecked, 18.8s Time] [2023-11-21 22:05:57,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2023-11-21 22:05:57,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2023-11-21 22:05:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 488 states have (on average 1.4918032786885247) internal successors, (728), 499 states have internal predecessors, (728), 141 states have call successors, (141), 33 states have call predecessors, (141), 30 states have return successors, (134), 129 states have call predecessors, (134), 129 states have call successors, (134) [2023-11-21 22:05:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1003 transitions. [2023-11-21 22:05:57,567 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1003 transitions. Word has length 14 [2023-11-21 22:05:57,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:57,567 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 1003 transitions. [2023-11-21 22:05:57,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-21 22:05:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1003 transitions. [2023-11-21 22:05:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 22:05:57,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:57,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:05:57,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:05:57,578 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:57,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:57,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1644525183, now seen corresponding path program 1 times [2023-11-21 22:05:57,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:57,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839136587] [2023-11-21 22:05:57,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:57,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:05:57,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:57,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839136587] [2023-11-21 22:05:57,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839136587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:57,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:57,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:05:57,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932047465] [2023-11-21 22:05:57,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:57,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:05:57,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:57,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:05:57,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:05:57,784 INFO L87 Difference]: Start difference. First operand 660 states and 1003 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-21 22:05:59,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:06:00,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:06:03,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:06:06,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []