/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:11:14,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:11:14,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:11:14,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:11:14,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:11:14,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:11:14,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:11:14,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:11:14,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:11:14,491 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:11:14,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:11:14,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:11:14,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:11:14,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:11:14,497 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:11:14,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:11:14,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:11:14,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:11:14,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:11:14,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:11:14,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:11:14,500 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:11:14,500 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:11:14,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:11:14,501 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:11:14,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:11:14,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:11:14,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:11:14,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:11:14,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:11:14,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:11:14,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:11:14,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:11:14,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:11:14,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:11:14,503 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:11:14,504 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:11:14,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:11:14,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:11:14,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:11:14,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:11:14,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:11:14,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:11:14,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:11:14,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:11:14,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:11:14,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:11:14,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-05 11:11:16,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:11:16,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:11:16,512 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-05 11:11:16,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c580b547f/22d55f72872a4555822b0a7c24ab4b89/FLAG06d5ad0e0 [2024-11-05 11:11:16,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c580b547f/22d55f72872a4555822b0a7c24ab4b89 [2024-11-05 11:11:16,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:11:16,572 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:11:16,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:11:16,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:11:16,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:11:16,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:11:16" (1/1) ... [2024-11-05 11:11:16,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f80129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:16, skipping insertion in model container [2024-11-05 11:11:16,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:11:16" (1/1) ... [2024-11-05 11:11:16,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:11:17,724 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,727 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,727 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,728 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,732 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,734 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,734 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,734 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,735 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,736 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,737 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,737 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,738 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,738 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,743 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,744 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,744 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,744 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,745 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,746 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,749 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,752 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,754 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,754 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,754 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,755 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,764 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,765 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,770 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,843 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,843 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,844 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,845 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,846 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,854 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,855 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,879 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,880 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,881 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,885 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,895 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,903 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,911 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,930 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,938 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,962 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,971 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,972 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,977 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,981 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:17,982 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:18,031 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-11-05 11:11:18,120 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:11:18,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:11:18,154 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:11:18,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] [2024-11-05 11:11:18,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] [2024-11-05 11:11:18,353 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] [2024-11-05 11:11:18,400 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] [2024-11-05 11:11:18,461 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] [2024-11-05 11:11:18,474 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] [2024-11-05 11:11:18,506 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-11-05 11:11:18,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:11:18,597 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:11:18,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18 WrapperNode [2024-11-05 11:11:18,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:11:18,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:11:18,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:11:18,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:11:18,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:18,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:18,784 INFO L138 Inliner]: procedures = 197, calls = 969, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1571 [2024-11-05 11:11:18,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:11:18,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:11:18,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:11:18,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:11:18,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:18,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:18,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:19,122 INFO L175 MemorySlicer]: Split 388 memory accesses to 13 slices as follows [2, 4, 7, 40, 239, 4, 7, 2, 8, 7, 22, 7, 39]. 62 percent of accesses are in the largest equivalence class. The 102 initializations are split as follows [2, 4, 7, 40, 16, 4, 7, 0, 8, 7, 0, 7, 0]. The 93 writes are split as follows [0, 0, 0, 0, 31, 0, 0, 1, 0, 0, 22, 0, 39]. [2024-11-05 11:11:19,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:19,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:19,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:19,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:19,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:19,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:19,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:11:19,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:11:19,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:11:19,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:11:19,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (1/1) ... [2024-11-05 11:11:19,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:11:19,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:11:19,387 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) [2024-11-05 11:11:19,391 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 [2024-11-05 11:11:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 11:11:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 11:11:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 11:11:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 11:11:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:11:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:11:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:11:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:11:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:11:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:11:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:11:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:11:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 11:11:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 11:11:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 11:11:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-05 11:11:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-05 11:11:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-05 11:11:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:11:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:11:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-11-05 11:11:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-11-05 11:11:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-05 11:11:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-05 11:11:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:11:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:11:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-05 11:11:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-05 11:11:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 11:11:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 11:11:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:11:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-05 11:11:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 11:11:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 11:11:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 11:11:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-05 11:11:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-05 11:11:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-05 11:11:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-05 11:11:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-05 11:11:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2024-11-05 11:11:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 11:11:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 11:11:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 11:11:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 11:11:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-05 11:11:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-05 11:11:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-05 11:11:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:11:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2024-11-05 11:11:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2024-11-05 11:11:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 11:11:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 11:11:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2024-11-05 11:11:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:11:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 11:11:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 11:11:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 11:11:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-05 11:11:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-05 11:11:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-05 11:11:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 11:11:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 11:11:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#11 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#12 [2024-11-05 11:11:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-05 11:11:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-05 11:11:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-05 11:11:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-05 11:11:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-05 11:11:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-05 11:11:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-05 11:11:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-05 11:11:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-05 11:11:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-05 11:11:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2024-11-05 11:11:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2024-11-05 11:11:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-05 11:11:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-05 11:11:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-05 11:11:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-05 11:11:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2024-11-05 11:11:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2024-11-05 11:11:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 11:11:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 11:11:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-05 11:11:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-05 11:11:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-05 11:11:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-05 11:11:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-11-05 11:11:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-11-05 11:11:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:11:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:11:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:11:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:11:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:11:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:11:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:11:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 11:11:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 11:11:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 11:11:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-05 11:11:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-05 11:11:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-05 11:11:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:11:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:11:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:11:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2024-11-05 11:11:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:11:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-05 11:11:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-05 11:11:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 11:11:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2024-11-05 11:11:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2024-11-05 11:11:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2024-11-05 11:11:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-05 11:11:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-05 11:11:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-05 11:11:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2024-11-05 11:11:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2024-11-05 11:11:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-05 11:11:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-05 11:11:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-05 11:11:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-05 11:11:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-05 11:11:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-05 11:11:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-05 11:11:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-05 11:11:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:11:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:11:20,055 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:11:20,057 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:11:30,235 INFO L? ?]: Removed 831 outVars from TransFormulas that were not future-live. [2024-11-05 11:11:30,235 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:11:30,271 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:11:30,271 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 11:11:30,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:11:30 BoogieIcfgContainer [2024-11-05 11:11:30,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:11:30,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:11:30,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:11:30,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:11:30,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:11:16" (1/3) ... [2024-11-05 11:11:30,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b25e9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:11:30, skipping insertion in model container [2024-11-05 11:11:30,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:11:18" (2/3) ... [2024-11-05 11:11:30,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b25e9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:11:30, skipping insertion in model container [2024-11-05 11:11:30,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:11:30" (3/3) ... [2024-11-05 11:11:30,281 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-05 11:11:30,298 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:11:30,299 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:11:30,385 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:11:30,392 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;@139649e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:11:30,392 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:11:30,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 629 states, 414 states have (on average 1.2463768115942029) internal successors, (516), 433 states have internal predecessors, (516), 176 states have call successors, (176), 37 states have call predecessors, (176), 37 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-05 11:11:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-05 11:11:30,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:11:30,410 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:11:30,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:11:30,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:11:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash -234004226, now seen corresponding path program 1 times [2024-11-05 11:11:30,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:11:30,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225347472] [2024-11-05 11:11:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:11:30,427 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:11:30,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:30,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:11:30,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:11:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:11:31,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:11:31,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:11:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:32,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:11:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:32,584 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:11:32,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225347472] [2024-11-05 11:11:32,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1225347472] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:11:32,585 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:11:32,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:11:32,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855300676] [2024-11-05 11:11:32,587 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:11:32,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:11:32,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:11:32,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:11:32,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:11:32,627 INFO L87 Difference]: Start difference. First operand has 629 states, 414 states have (on average 1.2463768115942029) internal successors, (516), 433 states have internal predecessors, (516), 176 states have call successors, (176), 37 states have call predecessors, (176), 37 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:11:36,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:11:37,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:11:37,033 INFO L93 Difference]: Finished difference Result 1461 states and 2024 transitions. [2024-11-05 11:11:37,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:11:37,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 19 [2024-11-05 11:11:37,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:11:37,060 INFO L225 Difference]: With dead ends: 1461 [2024-11-05 11:11:37,061 INFO L226 Difference]: Without dead ends: 838 [2024-11-05 11:11:37,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:11:37,075 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 696 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:11:37,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 1298 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-05 11:11:37,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-05 11:11:37,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 836. [2024-11-05 11:11:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 547 states have (on average 1.2358318098720293) internal successors, (676), 569 states have internal predecessors, (676), 234 states have call successors, (234), 55 states have call predecessors, (234), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-05 11:11:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1140 transitions. [2024-11-05 11:11:37,247 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1140 transitions. Word has length 19 [2024-11-05 11:11:37,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:11:37,248 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1140 transitions. [2024-11-05 11:11:37,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:11:37,248 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1140 transitions. [2024-11-05 11:11:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-05 11:11:37,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:11:37,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:11:37,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:11:37,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:37,450 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:11:37,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:11:37,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1335437404, now seen corresponding path program 1 times [2024-11-05 11:11:37,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:11:37,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386592547] [2024-11-05 11:11:37,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:11:37,452 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:11:37,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:37,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:11:37,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:11:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:11:38,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:11:38,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:11:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:38,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:11:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:39,561 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:11:39,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386592547] [2024-11-05 11:11:39,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [386592547] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:11:39,561 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:11:39,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:11:39,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4140571] [2024-11-05 11:11:39,561 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:11:39,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:11:39,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:11:39,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:11:39,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:11:39,564 INFO L87 Difference]: Start difference. First operand 836 states and 1140 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:11:43,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:11:43,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:11:43,803 INFO L93 Difference]: Finished difference Result 838 states and 1141 transitions. [2024-11-05 11:11:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:11:43,805 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), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2024-11-05 11:11:43,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:11:43,812 INFO L225 Difference]: With dead ends: 838 [2024-11-05 11:11:43,812 INFO L226 Difference]: Without dead ends: 835 [2024-11-05 11:11:43,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:11:43,815 INFO L432 NwaCegarLoop]: 848 mSDtfsCounter, 832 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:11:43,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 848 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-05 11:11:43,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-05 11:11:43,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2024-11-05 11:11:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 547 states have (on average 1.2340036563071297) internal successors, (675), 568 states have internal predecessors, (675), 233 states have call successors, (233), 55 states have call predecessors, (233), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-05 11:11:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1138 transitions. [2024-11-05 11:11:43,918 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1138 transitions. Word has length 20 [2024-11-05 11:11:43,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:11:43,919 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1138 transitions. [2024-11-05 11:11:43,919 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), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:11:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1138 transitions. [2024-11-05 11:11:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-05 11:11:43,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:11:43,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:11:43,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 11:11:44,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:44,121 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:11:44,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:11:44,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1551474751, now seen corresponding path program 1 times [2024-11-05 11:11:44,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:11:44,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936696517] [2024-11-05 11:11:44,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:11:44,123 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:11:44,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:44,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:11:44,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:11:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:11:44,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:11:44,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:11:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:45,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:11:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:46,456 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:11:46,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936696517] [2024-11-05 11:11:46,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1936696517] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:11:46,456 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:11:46,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:11:46,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148591103] [2024-11-05 11:11:46,457 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:11:46,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:11:46,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:11:46,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:11:46,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:11:46,458 INFO L87 Difference]: Start difference. First operand 835 states and 1138 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:11:50,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:11:50,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:11:50,589 INFO L93 Difference]: Finished difference Result 837 states and 1139 transitions. [2024-11-05 11:11:50,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:11:50,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 21 [2024-11-05 11:11:50,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:11:50,596 INFO L225 Difference]: With dead ends: 837 [2024-11-05 11:11:50,596 INFO L226 Difference]: Without dead ends: 834 [2024-11-05 11:11:50,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:11:50,598 INFO L432 NwaCegarLoop]: 846 mSDtfsCounter, 829 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:11:50,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 846 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-05 11:11:50,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-11-05 11:11:50,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 834. [2024-11-05 11:11:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 547 states have (on average 1.2321755027422303) internal successors, (674), 567 states have internal predecessors, (674), 232 states have call successors, (232), 55 states have call predecessors, (232), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-05 11:11:50,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1136 transitions. [2024-11-05 11:11:50,655 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1136 transitions. Word has length 21 [2024-11-05 11:11:50,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:11:50,655 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1136 transitions. [2024-11-05 11:11:50,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:11:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1136 transitions. [2024-11-05 11:11:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-05 11:11:50,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:11:50,657 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:11:50,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:11:50,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:50,861 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:11:50,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:11:50,861 INFO L85 PathProgramCache]: Analyzing trace with hash -851433473, now seen corresponding path program 1 times [2024-11-05 11:11:50,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:11:50,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32834070] [2024-11-05 11:11:50,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:11:50,862 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:11:50,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:50,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:11:50,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:11:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:11:51,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:11:51,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:11:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:52,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:11:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:53,293 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:11:53,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32834070] [2024-11-05 11:11:53,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [32834070] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:11:53,293 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:11:53,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:11:53,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731833967] [2024-11-05 11:11:53,294 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:11:53,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:11:53,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:11:53,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:11:53,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:11:53,295 INFO L87 Difference]: Start difference. First operand 834 states and 1136 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:11:57,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:11:57,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:11:57,400 INFO L93 Difference]: Finished difference Result 836 states and 1137 transitions. [2024-11-05 11:11:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:11:57,437 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), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 22 [2024-11-05 11:11:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:11:57,444 INFO L225 Difference]: With dead ends: 836 [2024-11-05 11:11:57,444 INFO L226 Difference]: Without dead ends: 824 [2024-11-05 11:11:57,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:11:57,446 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 826 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:11:57,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 845 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-05 11:11:57,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2024-11-05 11:11:57,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2024-11-05 11:11:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 539 states have (on average 1.2300556586270872) internal successors, (663), 558 states have internal predecessors, (663), 230 states have call successors, (230), 55 states have call predecessors, (230), 54 states have return successors, (229), 217 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-05 11:11:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1122 transitions. [2024-11-05 11:11:57,555 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1122 transitions. Word has length 22 [2024-11-05 11:11:57,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:11:57,555 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1122 transitions. [2024-11-05 11:11:57,555 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), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:11:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1122 transitions. [2024-11-05 11:11:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-05 11:11:57,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:11:57,560 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:11:57,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-05 11:11:57,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:57,766 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:11:57,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:11:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash -739704343, now seen corresponding path program 1 times [2024-11-05 11:11:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:11:57,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407840298] [2024-11-05 11:11:57,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:11:57,767 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:11:57,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:11:57,770 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:11:57,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:11:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:11:58,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:11:58,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:11:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:11:59,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:12:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-05 11:12:01,276 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:12:01,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407840298] [2024-11-05 11:12:01,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [407840298] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:12:01,277 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:12:01,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:12:01,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215852533] [2024-11-05 11:12:01,277 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:12:01,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:12:01,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:12:01,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:12:01,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:12:01,279 INFO L87 Difference]: Start difference. First operand 824 states and 1122 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-05 11:12:02,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:12:02,962 INFO L93 Difference]: Finished difference Result 1842 states and 2554 transitions. [2024-11-05 11:12:02,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:12:02,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 64 [2024-11-05 11:12:02,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:12:02,973 INFO L225 Difference]: With dead ends: 1842 [2024-11-05 11:12:02,973 INFO L226 Difference]: Without dead ends: 1028 [2024-11-05 11:12:02,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:12:02,981 INFO L432 NwaCegarLoop]: 905 mSDtfsCounter, 337 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:12:02,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1753 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-05 11:12:02,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-05 11:12:03,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1028. [2024-11-05 11:12:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 675 states have (on average 1.2533333333333334) internal successors, (846), 700 states have internal predecessors, (846), 298 states have call successors, (298), 55 states have call predecessors, (298), 54 states have return successors, (297), 285 states have call predecessors, (297), 297 states have call successors, (297) [2024-11-05 11:12:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1441 transitions. [2024-11-05 11:12:03,075 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1441 transitions. Word has length 64 [2024-11-05 11:12:03,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:12:03,075 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1441 transitions. [2024-11-05 11:12:03,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-05 11:12:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1441 transitions. [2024-11-05 11:12:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-05 11:12:03,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:12:03,086 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:12:03,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0 [2024-11-05 11:12:03,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:03,287 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:12:03,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:12:03,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1438626995, now seen corresponding path program 1 times [2024-11-05 11:12:03,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:12:03,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716361434] [2024-11-05 11:12:03,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:12:03,288 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:12:03,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:03,291 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:12:03,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:12:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:12:04,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:12:04,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:12:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:12:04,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:12:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:12:06,476 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:12:06,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716361434] [2024-11-05 11:12:06,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1716361434] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:12:06,477 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:12:06,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 11:12:06,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597899699] [2024-11-05 11:12:06,477 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:12:06,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:12:06,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:12:06,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:12:06,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:12:06,478 INFO L87 Difference]: Start difference. First operand 1028 states and 1441 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-05 11:12:07,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:12:07,025 INFO L93 Difference]: Finished difference Result 2050 states and 2874 transitions. [2024-11-05 11:12:07,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:12:07,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2024-11-05 11:12:07,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:12:07,034 INFO L225 Difference]: With dead ends: 2050 [2024-11-05 11:12:07,034 INFO L226 Difference]: Without dead ends: 1028 [2024-11-05 11:12:07,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:12:07,042 INFO L432 NwaCegarLoop]: 831 mSDtfsCounter, 0 mSDsluCounter, 2485 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3316 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 11:12:07,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3316 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 11:12:07,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-05 11:12:07,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1028. [2024-11-05 11:12:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 675 states have (on average 1.2518518518518518) internal successors, (845), 700 states have internal predecessors, (845), 298 states have call successors, (298), 55 states have call predecessors, (298), 54 states have return successors, (297), 285 states have call predecessors, (297), 297 states have call successors, (297) [2024-11-05 11:12:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1440 transitions. [2024-11-05 11:12:07,140 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1440 transitions. Word has length 81 [2024-11-05 11:12:07,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:12:07,140 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1440 transitions. [2024-11-05 11:12:07,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-05 11:12:07,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1440 transitions. [2024-11-05 11:12:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-05 11:12:07,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:12:07,146 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:12:07,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:12:07,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:07,352 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:12:07,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:12:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash -72883924, now seen corresponding path program 1 times [2024-11-05 11:12:07,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:12:07,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775238867] [2024-11-05 11:12:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:12:07,353 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:12:07,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:07,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:12:07,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:12:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:12:08,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 11:12:08,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:12:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:12:09,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:12:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-05 11:12:12,630 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:12:12,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775238867] [2024-11-05 11:12:12,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [775238867] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:12:12,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:12:12,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-05 11:12:12,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903777069] [2024-11-05 11:12:12,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:12:12,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:12:12,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:12:12,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:12:12,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:12:12,632 INFO L87 Difference]: Start difference. First operand 1028 states and 1440 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-05 11:12:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:12:13,346 INFO L93 Difference]: Finished difference Result 2053 states and 2877 transitions. [2024-11-05 11:12:13,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 11:12:13,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2024-11-05 11:12:13,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:12:13,396 INFO L225 Difference]: With dead ends: 2053 [2024-11-05 11:12:13,396 INFO L226 Difference]: Without dead ends: 1032 [2024-11-05 11:12:13,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:12:13,402 INFO L432 NwaCegarLoop]: 830 mSDtfsCounter, 0 mSDsluCounter, 3310 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4140 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:12:13,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4140 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-05 11:12:13,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-11-05 11:12:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1030. [2024-11-05 11:12:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 676 states have (on average 1.2514792899408285) internal successors, (846), 702 states have internal predecessors, (846), 298 states have call successors, (298), 55 states have call predecessors, (298), 55 states have return successors, (299), 285 states have call predecessors, (299), 297 states have call successors, (299) [2024-11-05 11:12:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1443 transitions. [2024-11-05 11:12:13,493 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1443 transitions. Word has length 93 [2024-11-05 11:12:13,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:12:13,493 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1443 transitions. [2024-11-05 11:12:13,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-05 11:12:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1443 transitions. [2024-11-05 11:12:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-05 11:12:13,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:12:13,499 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:12:13,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-05 11:12:13,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:13,699 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:12:13,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:12:13,700 INFO L85 PathProgramCache]: Analyzing trace with hash -648865241, now seen corresponding path program 1 times [2024-11-05 11:12:13,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:12:13,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937741631] [2024-11-05 11:12:13,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:12:13,701 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:12:13,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:13,705 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:12:13,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:12:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:12:14,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:12:14,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:12:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 11:12:15,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:12:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-05 11:12:17,508 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:12:17,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937741631] [2024-11-05 11:12:17,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1937741631] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:12:17,509 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:12:17,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2024-11-05 11:12:17,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904781713] [2024-11-05 11:12:17,509 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:12:17,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 11:12:17,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:12:17,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 11:12:17,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:12:17,510 INFO L87 Difference]: Start difference. First operand 1030 states and 1443 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-05 11:12:18,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:12:18,799 INFO L93 Difference]: Finished difference Result 2061 states and 2886 transitions. [2024-11-05 11:12:18,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 11:12:18,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 96 [2024-11-05 11:12:18,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:12:18,808 INFO L225 Difference]: With dead ends: 2061 [2024-11-05 11:12:18,808 INFO L226 Difference]: Without dead ends: 1026 [2024-11-05 11:12:18,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:12:18,815 INFO L432 NwaCegarLoop]: 829 mSDtfsCounter, 33 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 4064 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:12:18,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 4064 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-05 11:12:18,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-05 11:12:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1026. [2024-11-05 11:12:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 674 states have (on average 1.2477744807121662) internal successors, (841), 699 states have internal predecessors, (841), 296 states have call successors, (296), 55 states have call predecessors, (296), 55 states have return successors, (297), 283 states have call predecessors, (297), 295 states have call successors, (297) [2024-11-05 11:12:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1434 transitions. [2024-11-05 11:12:18,890 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1434 transitions. Word has length 96 [2024-11-05 11:12:18,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:12:18,893 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1434 transitions. [2024-11-05 11:12:18,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-05 11:12:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1434 transitions. [2024-11-05 11:12:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-05 11:12:18,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:12:18,897 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:12:18,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Ended with exit code 0 [2024-11-05 11:12:19,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:19,098 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:12:19,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:12:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash -2026040856, now seen corresponding path program 1 times [2024-11-05 11:12:19,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:12:19,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779348277] [2024-11-05 11:12:19,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:12:19,099 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:12:19,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:19,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:12:19,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-05 11:12:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:12:19,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-05 11:12:19,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:12:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-05 11:12:22,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:12:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-05 11:12:29,738 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:12:29,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779348277] [2024-11-05 11:12:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [779348277] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:12:29,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:12:29,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-11-05 11:12:29,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261294749] [2024-11-05 11:12:29,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:12:29,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 11:12:29,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:12:29,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 11:12:29,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-05 11:12:29,741 INFO L87 Difference]: Start difference. First operand 1026 states and 1434 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 11:12:30,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:12:30,915 INFO L93 Difference]: Finished difference Result 2051 states and 2865 transitions. [2024-11-05 11:12:30,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-05 11:12:30,916 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-05 11:12:30,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:12:30,925 INFO L225 Difference]: With dead ends: 2051 [2024-11-05 11:12:30,925 INFO L226 Difference]: Without dead ends: 1028 [2024-11-05 11:12:30,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-05 11:12:30,931 INFO L432 NwaCegarLoop]: 819 mSDtfsCounter, 0 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6541 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:12:30,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6541 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-05 11:12:30,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-05 11:12:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1026. [2024-11-05 11:12:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 674 states have (on average 1.2477744807121662) internal successors, (841), 699 states have internal predecessors, (841), 296 states have call successors, (296), 55 states have call predecessors, (296), 55 states have return successors, (296), 283 states have call predecessors, (296), 295 states have call successors, (296) [2024-11-05 11:12:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1433 transitions. [2024-11-05 11:12:31,034 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1433 transitions. Word has length 131 [2024-11-05 11:12:31,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:12:31,035 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1433 transitions. [2024-11-05 11:12:31,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 11:12:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1433 transitions. [2024-11-05 11:12:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-05 11:12:31,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:12:31,038 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:12:31,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Ended with exit code 0 [2024-11-05 11:12:31,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:31,243 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:12:31,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:12:31,243 INFO L85 PathProgramCache]: Analyzing trace with hash 473062221, now seen corresponding path program 2 times [2024-11-05 11:12:31,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:12:31,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729365459] [2024-11-05 11:12:31,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:12:31,244 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:12:31,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:31,246 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:12:31,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-05 11:12:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:12:32,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:12:32,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:12:32,598 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-05 11:12:32,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:12:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-05 11:12:34,986 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:12:34,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729365459] [2024-11-05 11:12:34,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [729365459] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:12:34,986 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:12:34,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 11:12:34,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578362470] [2024-11-05 11:12:34,986 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:12:34,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:12:34,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:12:34,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:12:34,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:12:34,988 INFO L87 Difference]: Start difference. First operand 1026 states and 1433 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-05 11:12:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:12:36,250 INFO L93 Difference]: Finished difference Result 2044 states and 2856 transitions. [2024-11-05 11:12:36,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:12:36,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 134 [2024-11-05 11:12:36,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:12:36,259 INFO L225 Difference]: With dead ends: 2044 [2024-11-05 11:12:36,259 INFO L226 Difference]: Without dead ends: 1024 [2024-11-05 11:12:36,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:12:36,265 INFO L432 NwaCegarLoop]: 822 mSDtfsCounter, 32 mSDsluCounter, 2438 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 3260 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:12:36,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 3260 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-05 11:12:36,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-11-05 11:12:36,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2024-11-05 11:12:36,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 673 states have (on average 1.2451708766716196) internal successors, (838), 698 states have internal predecessors, (838), 295 states have call successors, (295), 55 states have call predecessors, (295), 55 states have return successors, (295), 282 states have call predecessors, (295), 294 states have call successors, (295) [2024-11-05 11:12:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1428 transitions. [2024-11-05 11:12:36,342 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1428 transitions. Word has length 134 [2024-11-05 11:12:36,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:12:36,343 INFO L471 AbstractCegarLoop]: Abstraction has 1024 states and 1428 transitions. [2024-11-05 11:12:36,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-05 11:12:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1428 transitions. [2024-11-05 11:12:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-05 11:12:36,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:12:36,348 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:12:36,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Ended with exit code 0 [2024-11-05 11:12:36,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:36,549 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:12:36,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:12:36,550 INFO L85 PathProgramCache]: Analyzing trace with hash -339433457, now seen corresponding path program 1 times [2024-11-05 11:12:36,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:12:36,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201994578] [2024-11-05 11:12:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:12:36,550 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:12:36,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:12:36,553 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:12:36,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Waiting until timeout for monitored process [2024-11-05 11:12:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:12:37,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 11:12:37,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:12:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-05 11:12:38,256 INFO L311 TraceCheckSpWp]: Computing backward predicates...