/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 12:19:54,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 12:19:54,671 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 12:19:54,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 12:19:54,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 12:19:54,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 12:19:54,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 12:19:54,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 12:19:54,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 12:19:54,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 12:19:54,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 12:19:54,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 12:19:54,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 12:19:54,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 12:19:54,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 12:19:54,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 12:19:54,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 12:19:54,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 12:19:54,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 12:19:54,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 12:19:54,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 12:19:54,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 12:19:54,711 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 12:19:54,712 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 12:19:54,716 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 12:19:54,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 12:19:54,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 12:19:54,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 12:19:54,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 12:19:54,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 12:19:54,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 12:19:54,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 12:19:54,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 12:19:54,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 12:19:54,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 12:19:54,719 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 12:19:54,719 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 12:19:54,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 12:19:54,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 12:19:54,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 12:19:54,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 12:19:54,723 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 12:19:54,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 12:19:54,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 12:19:54,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 12:19:54,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 12:19:54,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 12:19:54,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-06 12:19:56,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 12:19:56,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 12:19:56,931 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-06 12:19:56,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dce46f34/d8b951692aef47f1b15f70438453f007/FLAG2e309c000 [2024-11-06 12:19:56,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dce46f34/d8b951692aef47f1b15f70438453f007 [2024-11-06 12:19:56,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 12:19:56,987 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 12:19:56,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 12:19:56,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 12:19:56,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 12:19:56,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:19:56" (1/1) ... [2024-11-06 12:19:56,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b257db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:56, skipping insertion in model container [2024-11-06 12:19:56,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:19:56" (1/1) ... [2024-11-06 12:19:57,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 12:19:58,022 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,124 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,149 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,151 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,161 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,170 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,211 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,225 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,236 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,248 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,261 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,318 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,348 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,370 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,371 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,371 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,375 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,375 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,375 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,376 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,378 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,378 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,378 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,379 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,379 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,380 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,380 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,380 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,405 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i[129978,129991] [2024-11-06 12:19:58,559 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:19:58,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 12:19:58,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 12:19:58,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3226-3227] [2024-11-06 12:19:58,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3238-3239] [2024-11-06 12:19:58,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3242-3243] [2024-11-06 12:19:58,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3246-3247] [2024-11-06 12:19:58,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3250-3251] [2024-11-06 12:19:58,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp): "ebx"); [3767] [2024-11-06 12:19:58,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___0): "ebx"); [3772] [2024-11-06 12:19:58,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___1): "ebx"); [3777] [2024-11-06 12:19:58,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___2): "ebx"); [3782] [2024-11-06 12:19:58,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___3): "ebx"); [3787] [2024-11-06 12:19:58,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (tmp), "i" (1UL)); [3886-3887] [2024-11-06 12:19:58,806 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i[129978,129991] [2024-11-06 12:19:58,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 12:19:58,904 INFO L204 MainTranslator]: Completed translation [2024-11-06 12:19:58,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58 WrapperNode [2024-11-06 12:19:58,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 12:19:58,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 12:19:58,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 12:19:58,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 12:19:58,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:58,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,085 INFO L138 Inliner]: procedures = 196, calls = 552, calls flagged for inlining = 74, calls inlined = 69, statements flattened = 1619 [2024-11-06 12:19:59,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 12:19:59,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 12:19:59,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 12:19:59,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 12:19:59,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,117 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,304 INFO L175 MemorySlicer]: Split 205 memory accesses to 7 slices as follows [2, 23, 13, 14, 27, 122, 4]. 60 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 0, 2, 0]. The 128 writes are split as follows [0, 23, 2, 12, 27, 62, 2]. [2024-11-06 12:19:59,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 12:19:59,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 12:19:59,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 12:19:59,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 12:19:59,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (1/1) ... [2024-11-06 12:19:59,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 12:19:59,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:19:59,448 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) [2024-11-06 12:19:59,450 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 [2024-11-06 12:19:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 12:19:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 12:19:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 12:19:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-06 12:19:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 12:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 12:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 12:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 12:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 12:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 12:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 12:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 12:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 12:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 12:19:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 12:19:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-06 12:19:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-06 12:19:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 12:19:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 12:19:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-06 12:19:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-06 12:19:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-06 12:19:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-06 12:19:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 12:19:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 12:19:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 12:19:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 12:19:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_poll [2024-11-06 12:19:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_poll [2024-11-06 12:19:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-06 12:19:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-06 12:19:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 12:19:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-06 12:19:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-06 12:19:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-06 12:19:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 12:19:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 12:19:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 12:19:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 12:19:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 12:19:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 12:19:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 12:19:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 12:19:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 12:19:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 12:19:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2024-11-06 12:19:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 12:19:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-06 12:19:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-06 12:19:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-06 12:19:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-06 12:19:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure serio_close [2024-11-06 12:19:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_close [2024-11-06 12:19:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-06 12:19:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-06 12:19:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_write [2024-11-06 12:19:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_write [2024-11-06 12:19:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_fasync [2024-11-06 12:19:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_fasync [2024-11-06 12:19:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-06 12:19:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-06 12:19:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 12:19:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 12:19:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2024-11-06 12:19:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2024-11-06 12:19:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-06 12:19:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-06 12:19:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-06 12:19:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-06 12:19:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 12:19:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 12:19:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 12:19:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 12:19:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 12:19:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 12:19:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 12:19:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 12:19:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 12:19:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 12:19:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 12:19:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 12:19:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-06 12:19:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-06 12:19:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 12:19:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 12:19:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_disconnect [2024-11-06 12:19:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_disconnect [2024-11-06 12:19:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure serio_continue_rx [2024-11-06 12:19:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_continue_rx [2024-11-06 12:19:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-06 12:19:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-06 12:19:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 12:19:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-06 12:19:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-06 12:19:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 12:19:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-06 12:19:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-06 12:19:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure serio_set_drvdata [2024-11-06 12:19:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_set_drvdata [2024-11-06 12:19:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 12:19:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-06 12:19:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2024-11-06 12:19:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-06 12:19:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-06 12:19:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure serio_pause_rx [2024-11-06 12:19:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_pause_rx [2024-11-06 12:19:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-06 12:19:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-06 12:19:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure serio_get_drvdata [2024-11-06 12:19:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_get_drvdata [2024-11-06 12:19:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-06 12:19:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-06 12:19:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-06 12:19:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-06 12:19:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 12:19:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 12:19:59,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 12:19:59,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 12:20:00,054 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 12:20:20,104 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live. [2024-11-06 12:20:20,105 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 12:20:20,143 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 12:20:20,143 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 12:20:20,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:20:20 BoogieIcfgContainer [2024-11-06 12:20:20,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 12:20:20,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 12:20:20,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 12:20:20,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 12:20:20,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:19:56" (1/3) ... [2024-11-06 12:20:20,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a12aced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:20:20, skipping insertion in model container [2024-11-06 12:20:20,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:19:58" (2/3) ... [2024-11-06 12:20:20,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a12aced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:20:20, skipping insertion in model container [2024-11-06 12:20:20,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:20:20" (3/3) ... [2024-11-06 12:20:20,160 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-06 12:20:20,178 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 12:20:20,178 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 12:20:20,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 12:20:20,276 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;@73191653, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 12:20:20,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 12:20:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 534 states, 378 states have (on average 1.3148148148148149) internal successors, (497), 395 states have internal predecessors, (497), 115 states have call successors, (115), 40 states have call predecessors, (115), 39 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-06 12:20:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-06 12:20:20,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:20:20,308 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:20:20,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:20:20,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:20:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1477246676, now seen corresponding path program 1 times [2024-11-06 12:20:20,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:20:20,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386308965] [2024-11-06 12:20:20,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:20:20,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:20:20,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:20:20,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:20:20,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 12:20:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:20:21,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 12:20:21,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:20:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-06 12:20:21,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:20:21,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:20:21,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386308965] [2024-11-06 12:20:21,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386308965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:20:21,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:20:21,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 12:20:21,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906573717] [2024-11-06 12:20:21,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:20:21,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 12:20:21,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:20:21,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 12:20:21,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 12:20:21,872 INFO L87 Difference]: Start difference. First operand has 534 states, 378 states have (on average 1.3148148148148149) internal successors, (497), 395 states have internal predecessors, (497), 115 states have call successors, (115), 40 states have call predecessors, (115), 39 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 12:20:21,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:20:21,981 INFO L93 Difference]: Finished difference Result 1063 states and 1474 transitions. [2024-11-06 12:20:21,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 12:20:21,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2024-11-06 12:20:21,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:20:22,003 INFO L225 Difference]: With dead ends: 1063 [2024-11-06 12:20:22,003 INFO L226 Difference]: Without dead ends: 523 [2024-11-06 12:20:22,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 12:20:22,022 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 12:20:22,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 12:20:22,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-06 12:20:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-06 12:20:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 373 states have (on average 1.3002680965147453) internal successors, (485), 384 states have internal predecessors, (485), 111 states have call successors, (111), 39 states have call predecessors, (111), 38 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-06 12:20:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 699 transitions. [2024-11-06 12:20:22,132 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 699 transitions. Word has length 168 [2024-11-06 12:20:22,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:20:22,133 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 699 transitions. [2024-11-06 12:20:22,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 12:20:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 699 transitions. [2024-11-06 12:20:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-06 12:20:22,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:20:22,143 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:20:22,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 12:20:22,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:20:22,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:20:22,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:20:22,345 INFO L85 PathProgramCache]: Analyzing trace with hash 404943672, now seen corresponding path program 1 times [2024-11-06 12:20:22,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:20:22,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178837238] [2024-11-06 12:20:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:20:22,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:20:22,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:20:22,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:20:22,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 12:20:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:20:23,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:20:23,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:20:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-06 12:20:37,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:20:37,072 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:20:37,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178837238] [2024-11-06 12:20:37,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178837238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:20:37,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:20:37,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 12:20:37,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123711576] [2024-11-06 12:20:37,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:20:37,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:20:37,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:20:37,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:20:37,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:20:37,076 INFO L87 Difference]: Start difference. First operand 523 states and 699 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 12:20:37,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:20:37,203 INFO L93 Difference]: Finished difference Result 525 states and 700 transitions. [2024-11-06 12:20:37,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:20:37,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 168 [2024-11-06 12:20:37,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:20:37,209 INFO L225 Difference]: With dead ends: 525 [2024-11-06 12:20:37,209 INFO L226 Difference]: Without dead ends: 522 [2024-11-06 12:20:37,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:20:37,210 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 625 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 12:20:37,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 696 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 12:20:37,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-06 12:20:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2024-11-06 12:20:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 373 states have (on average 1.2975871313672922) internal successors, (484), 383 states have internal predecessors, (484), 110 states have call successors, (110), 39 states have call predecessors, (110), 38 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-06 12:20:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 697 transitions. [2024-11-06 12:20:37,251 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 697 transitions. Word has length 168 [2024-11-06 12:20:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:20:37,255 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 697 transitions. [2024-11-06 12:20:37,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 12:20:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 697 transitions. [2024-11-06 12:20:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-06 12:20:37,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:20:37,259 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:20:37,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-06 12:20:37,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:20:37,460 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:20:37,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:20:37,461 INFO L85 PathProgramCache]: Analyzing trace with hash -331755225, now seen corresponding path program 1 times [2024-11-06 12:20:37,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:20:37,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12544767] [2024-11-06 12:20:37,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:20:37,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:20:37,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:20:37,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:20:37,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 12:20:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:20:38,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:20:38,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:20:50,957 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-06 12:20:50,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:20:50,958 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:20:50,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12544767] [2024-11-06 12:20:50,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12544767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:20:50,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:20:50,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 12:20:50,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547899085] [2024-11-06 12:20:50,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:20:50,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:20:50,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:20:50,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:20:50,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:20:50,962 INFO L87 Difference]: Start difference. First operand 522 states and 697 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 12:20:51,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:20:51,035 INFO L93 Difference]: Finished difference Result 524 states and 698 transitions. [2024-11-06 12:20:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:20:51,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 169 [2024-11-06 12:20:51,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:20:51,041 INFO L225 Difference]: With dead ends: 524 [2024-11-06 12:20:51,041 INFO L226 Difference]: Without dead ends: 521 [2024-11-06 12:20:51,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:20:51,043 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 622 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 12:20:51,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 694 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 12:20:51,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-06 12:20:51,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2024-11-06 12:20:51,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 373 states have (on average 1.2949061662198391) internal successors, (483), 382 states have internal predecessors, (483), 109 states have call successors, (109), 39 states have call predecessors, (109), 38 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-06 12:20:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 695 transitions. [2024-11-06 12:20:51,083 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 695 transitions. Word has length 169 [2024-11-06 12:20:51,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:20:51,085 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 695 transitions. [2024-11-06 12:20:51,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 12:20:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 695 transitions. [2024-11-06 12:20:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-06 12:20:51,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:20:51,092 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:20:51,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 12:20:51,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:20:51,293 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:20:51,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:20:51,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1694579685, now seen corresponding path program 1 times [2024-11-06 12:20:51,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:20:51,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349011859] [2024-11-06 12:20:51,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:20:51,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:20:51,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:20:51,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:20:51,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 12:20:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:20:52,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:20:52,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:21:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-06 12:21:04,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:21:04,629 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:21:04,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349011859] [2024-11-06 12:21:04,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349011859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:21:04,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:21:04,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 12:21:04,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343666190] [2024-11-06 12:21:04,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:21:04,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:21:04,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:21:04,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:21:04,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:21:04,631 INFO L87 Difference]: Start difference. First operand 521 states and 695 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 12:21:04,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:21:04,708 INFO L93 Difference]: Finished difference Result 523 states and 696 transitions. [2024-11-06 12:21:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:21:04,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 170 [2024-11-06 12:21:04,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:21:04,719 INFO L225 Difference]: With dead ends: 523 [2024-11-06 12:21:04,719 INFO L226 Difference]: Without dead ends: 520 [2024-11-06 12:21:04,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:21:04,721 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 619 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 12:21:04,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 692 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 12:21:04,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-06 12:21:04,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2024-11-06 12:21:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 373 states have (on average 1.292225201072386) internal successors, (482), 381 states have internal predecessors, (482), 108 states have call successors, (108), 39 states have call predecessors, (108), 38 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-06 12:21:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 693 transitions. [2024-11-06 12:21:04,772 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 693 transitions. Word has length 170 [2024-11-06 12:21:04,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:21:04,774 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 693 transitions. [2024-11-06 12:21:04,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 12:21:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 693 transitions. [2024-11-06 12:21:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-06 12:21:04,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:21:04,778 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:21:04,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 12:21:04,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:21:04,979 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:21:04,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:21:04,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1709155043, now seen corresponding path program 1 times [2024-11-06 12:21:04,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:21:04,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936859162] [2024-11-06 12:21:04,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:21:04,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:21:04,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:21:04,983 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:21:04,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 12:21:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:21:06,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:21:06,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:21:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-06 12:21:06,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:21:06,630 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:21:06,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936859162] [2024-11-06 12:21:06,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936859162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:21:06,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:21:06,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 12:21:06,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369153199] [2024-11-06 12:21:06,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:21:06,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:21:06,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:21:06,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:21:06,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:21:06,633 INFO L87 Difference]: Start difference. First operand 520 states and 693 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 12:21:08,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:21:08,316 INFO L93 Difference]: Finished difference Result 1255 states and 1643 transitions. [2024-11-06 12:21:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:21:08,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 174 [2024-11-06 12:21:08,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:21:08,324 INFO L225 Difference]: With dead ends: 1255 [2024-11-06 12:21:08,324 INFO L226 Difference]: Without dead ends: 771 [2024-11-06 12:21:08,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:21:08,326 INFO L432 NwaCegarLoop]: 705 mSDtfsCounter, 394 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 12:21:08,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1266 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 12:21:08,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-06 12:21:08,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 753. [2024-11-06 12:21:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 542 states have (on average 1.2785977859778597) internal successors, (693), 555 states have internal predecessors, (693), 145 states have call successors, (145), 67 states have call predecessors, (145), 65 states have return successors, (144), 136 states have call predecessors, (144), 140 states have call successors, (144) [2024-11-06 12:21:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 982 transitions. [2024-11-06 12:21:08,395 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 982 transitions. Word has length 174 [2024-11-06 12:21:08,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:21:08,399 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 982 transitions. [2024-11-06 12:21:08,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 12:21:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 982 transitions. [2024-11-06 12:21:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-06 12:21:08,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:21:08,402 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:21:08,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-06 12:21:08,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:21:08,603 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:21:08,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:21:08,604 INFO L85 PathProgramCache]: Analyzing trace with hash -992460118, now seen corresponding path program 1 times [2024-11-06 12:21:08,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:21:08,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968156192] [2024-11-06 12:21:08,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:21:08,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:21:08,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:21:08,607 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:21:08,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 12:21:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:21:09,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:21:09,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:21:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-06 12:21:22,436 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:21:22,436 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:21:22,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968156192] [2024-11-06 12:21:22,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968156192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:21:22,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:21:22,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 12:21:22,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821057569] [2024-11-06 12:21:22,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:21:22,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:21:22,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:21:22,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:21:22,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:21:22,438 INFO L87 Difference]: Start difference. First operand 753 states and 982 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 12:21:23,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:21:23,118 INFO L93 Difference]: Finished difference Result 2070 states and 2726 transitions. [2024-11-06 12:21:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:21:23,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 171 [2024-11-06 12:21:23,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:21:23,129 INFO L225 Difference]: With dead ends: 2070 [2024-11-06 12:21:23,129 INFO L226 Difference]: Without dead ends: 1345 [2024-11-06 12:21:23,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:21:23,133 INFO L432 NwaCegarLoop]: 864 mSDtfsCounter, 603 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 12:21:23,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1408 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 12:21:23,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2024-11-06 12:21:23,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1338. [2024-11-06 12:21:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 982 states have (on average 1.290224032586558) internal successors, (1267), 1005 states have internal predecessors, (1267), 242 states have call successors, (242), 119 states have call predecessors, (242), 113 states have return successors, (253), 223 states have call predecessors, (253), 234 states have call successors, (253) [2024-11-06 12:21:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1762 transitions. [2024-11-06 12:21:23,284 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1762 transitions. Word has length 171 [2024-11-06 12:21:23,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:21:23,285 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 1762 transitions. [2024-11-06 12:21:23,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 12:21:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1762 transitions. [2024-11-06 12:21:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-06 12:21:23,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:21:23,290 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:21:23,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-06 12:21:23,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:21:23,491 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:21:23,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:21:23,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1167336843, now seen corresponding path program 1 times [2024-11-06 12:21:23,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:21:23,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [964205186] [2024-11-06 12:21:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:21:23,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:21:23,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:21:23,495 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:21:23,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-06 12:21:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:21:24,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:21:24,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:21:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-06 12:21:25,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:21:25,069 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:21:25,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964205186] [2024-11-06 12:21:25,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964205186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:21:25,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:21:25,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 12:21:25,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72394697] [2024-11-06 12:21:25,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:21:25,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:21:25,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:21:25,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:21:25,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:21:25,071 INFO L87 Difference]: Start difference. First operand 1338 states and 1762 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 12:21:26,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:21:26,020 INFO L93 Difference]: Finished difference Result 3415 states and 4492 transitions. [2024-11-06 12:21:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:21:26,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 199 [2024-11-06 12:21:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:21:26,037 INFO L225 Difference]: With dead ends: 3415 [2024-11-06 12:21:26,037 INFO L226 Difference]: Without dead ends: 2113 [2024-11-06 12:21:26,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:21:26,046 INFO L432 NwaCegarLoop]: 1070 mSDtfsCounter, 529 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 12:21:26,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1695 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 12:21:26,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-06 12:21:26,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2086. [2024-11-06 12:21:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2086 states, 1558 states have (on average 1.3023106546854941) internal successors, (2029), 1583 states have internal predecessors, (2029), 347 states have call successors, (347), 188 states have call predecessors, (347), 180 states have return successors, (372), 325 states have call predecessors, (372), 339 states have call successors, (372) [2024-11-06 12:21:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 2748 transitions. [2024-11-06 12:21:26,225 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 2748 transitions. Word has length 199 [2024-11-06 12:21:26,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:21:26,225 INFO L471 AbstractCegarLoop]: Abstraction has 2086 states and 2748 transitions. [2024-11-06 12:21:26,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 12:21:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2748 transitions. [2024-11-06 12:21:26,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-06 12:21:26,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:21:26,229 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2024-11-06 12:21:26,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-06 12:21:26,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:21:26,430 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:21:26,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:21:26,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1986975611, now seen corresponding path program 1 times [2024-11-06 12:21:26,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:21:26,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [280522476] [2024-11-06 12:21:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:21:26,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:21:26,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:21:26,435 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:21:26,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process