/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-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-b75d321-m [2024-11-05 11:58:13,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:58:13,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:58:13,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:58:13,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:58:13,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:58:13,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:58:13,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:58:13,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:58:13,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:58:13,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:58:13,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:58:13,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:58:13,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:58:13,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:58:13,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:58:13,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:58:13,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:58:13,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:58:13,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:58:13,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:58:13,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:58:13,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:58:13,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:58:13,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:58:13,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:58:13,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:58:13,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:58:13,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:58:13,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:58:13,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:58:13,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:58:13,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:58:13,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:58:13,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:58:13,788 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:58:13,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:58:13,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:58:13,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:58:13,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:58:13,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:58:13,791 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:58:13,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:58:14,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:58:14,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:58:14,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:58:14,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:58:14,004 INFO L431 ainManager$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 [2024-11-05 11:58:15,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:58:15,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:58:15,675 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 [2024-11-05 11:58:15,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66efab7a4/0f37e77685684c3dbf7d8d72f767ffbc/FLAGc77f07314 [2024-11-05 11:58:15,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66efab7a4/0f37e77685684c3dbf7d8d72f767ffbc [2024-11-05 11:58:15,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:58:15,725 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:58:15,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:58:15,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:58:15,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:58:15,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:58:15" (1/1) ... [2024-11-05 11:58:15,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a5465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:15, skipping insertion in model container [2024-11-05 11:58:15,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:58:15" (1/1) ... [2024-11-05 11:58:15,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:58:16,473 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,544 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,549 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,568 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,568 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,573 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,577 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,609 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,616 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,622 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,630 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,636 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,650 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,665 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,679 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,680 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,680 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,683 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,683 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,684 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,688 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,688 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,688 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,688 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,690 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,690 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,690 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,707 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] [2024-11-05 11:58:16,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:58:16,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:58:16,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:58:16,888 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] [2024-11-05 11:58:16,890 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] [2024-11-05 11:58:16,891 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] [2024-11-05 11:58:16,891 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] [2024-11-05 11:58:16,891 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] [2024-11-05 11:58:16,919 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] [2024-11-05 11:58:16,921 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] [2024-11-05 11:58:16,921 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] [2024-11-05 11:58:16,921 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] [2024-11-05 11:58:16,921 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] [2024-11-05 11:58:16,927 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] [2024-11-05 11:58:16,972 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] [2024-11-05 11:58:16,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:58:17,059 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:58:17,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17 WrapperNode [2024-11-05 11:58:17,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:58:17,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:58:17,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:58:17,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:58:17,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,175 INFO L138 Inliner]: procedures = 196, calls = 552, calls flagged for inlining = 74, calls inlined = 69, statements flattened = 1619 [2024-11-05 11:58:17,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:58:17,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:58:17,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:58:17,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:58:17,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,208 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,324 INFO L175 MemorySlicer]: Split 205 memory accesses to 7 slices as follows [2, 4, 14, 13, 23, 27, 122]. 60 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 0, 0, 2]. The 128 writes are split as follows [0, 2, 12, 2, 23, 27, 62]. [2024-11-05 11:58:17,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:58:17,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:58:17,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:58:17,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:58:17,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (1/1) ... [2024-11-05 11:58:17,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:58:17,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:58:17,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 11:58:17,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 11:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 11:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 11:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 11:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 11:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 11:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 11:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 11:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-05 11:58:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:58:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 11:58:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 11:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:58:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-05 11:58:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-05 11:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-05 11:58:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-05 11:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:58:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:58:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_poll [2024-11-05 11:58:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_poll [2024-11-05 11:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-05 11:58:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-05 11:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-05 11:58:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-05 11:58:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2024-11-05 11:58:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-05 11:58:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-05 11:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-05 11:58:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-05 11:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure serio_close [2024-11-05 11:58:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_close [2024-11-05 11:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-05 11:58:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-05 11:58:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_write [2024-11-05 11:58:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_write [2024-11-05 11:58:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_fasync [2024-11-05 11:58:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_fasync [2024-11-05 11:58:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-05 11:58:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-05 11:58:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 11:58:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 11:58:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2024-11-05 11:58:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-05 11:58:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-05 11:58:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:58:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 11:58:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 11:58:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 11:58:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 11:58:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-05 11:58:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-05 11:58:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 11:58:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 11:58:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_disconnect [2024-11-05 11:58:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_disconnect [2024-11-05 11:58:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure serio_continue_rx [2024-11-05 11:58:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_continue_rx [2024-11-05 11:58:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 11:58:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 11:58:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-05 11:58:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure serio_set_drvdata [2024-11-05 11:58:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_set_drvdata [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:58:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:58:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:58:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:58:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-05 11:58:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-05 11:58:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2024-11-05 11:58:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2024-11-05 11:58:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-05 11:58:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-05 11:58:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure serio_pause_rx [2024-11-05 11:58:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_pause_rx [2024-11-05 11:58:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-05 11:58:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-05 11:58:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure serio_get_drvdata [2024-11-05 11:58:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_get_drvdata [2024-11-05 11:58:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-05 11:58:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-05 11:58:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-05 11:58:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-05 11:58:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:58:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:58:17,800 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:58:17,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:58:17,860 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:58:33,681 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live. [2024-11-05 11:58:33,681 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:58:33,702 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:58:33,702 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 11:58:33,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:58:33 BoogieIcfgContainer [2024-11-05 11:58:33,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:58:33,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:58:33,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:58:33,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:58:33,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:58:15" (1/3) ... [2024-11-05 11:58:33,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3987c829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:58:33, skipping insertion in model container [2024-11-05 11:58:33,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:58:17" (2/3) ... [2024-11-05 11:58:33,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3987c829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:58:33, skipping insertion in model container [2024-11-05 11:58:33,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:58:33" (3/3) ... [2024-11-05 11:58:33,712 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-05 11:58:33,728 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:58:33,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:58:33,805 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:58:33,810 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;@75ad2319, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:58:33,810 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:58:33,817 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) [2024-11-05 11:58:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-05 11:58:33,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:58:33,836 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] [2024-11-05 11:58:33,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:58:33,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:58:33,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1477246676, now seen corresponding path program 1 times [2024-11-05 11:58:33,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:58:33,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095864517] [2024-11-05 11:58:33,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:58:33,852 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:58:33,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:58:33,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:58:33,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:58:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:58:34,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 11:58:34,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:58:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-05 11:58:34,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:58:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-05 11:58:39,472 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:58:39,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095864517] [2024-11-05 11:58:39,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1095864517] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:58:39,473 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:58:39,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 11:58:39,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315576934] [2024-11-05 11:58:39,475 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:58:39,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 11:58:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:58:39,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 11:58:39,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 11:58:39,509 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 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-05 11:58:39,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:58:39,611 INFO L93 Difference]: Finished difference Result 1063 states and 1474 transitions. [2024-11-05 11:58:39,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 11:58:39,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 168 [2024-11-05 11:58:39,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:58:39,625 INFO L225 Difference]: With dead ends: 1063 [2024-11-05 11:58:39,625 INFO L226 Difference]: Without dead ends: 523 [2024-11-05 11:58:39,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 11:58:39,641 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 [2024-11-05 11:58:39,644 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] [2024-11-05 11:58:39,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-05 11:58:39,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-05 11:58:39,720 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) [2024-11-05 11:58:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 699 transitions. [2024-11-05 11:58:39,726 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 699 transitions. Word has length 168 [2024-11-05 11:58:39,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:58:39,726 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 699 transitions. [2024-11-05 11:58:39,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-05 11:58:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 699 transitions. [2024-11-05 11:58:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-05 11:58:39,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:58:39,730 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] [2024-11-05 11:58:39,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-05 11:58:39,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:58:39,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:58:39,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:58:39,935 INFO L85 PathProgramCache]: Analyzing trace with hash 404943672, now seen corresponding path program 1 times [2024-11-05 11:58:39,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:58:39,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731613847] [2024-11-05 11:58:39,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:58:39,936 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:58:39,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:58:39,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:58:39,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:58:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:58:40,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 11:58:40,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:58:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-05 11:58:41,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:58:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-05 11:58:47,369 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:58:47,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731613847] [2024-11-05 11:58:47,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [731613847] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:58:47,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:58:47,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 11:58:47,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360832535] [2024-11-05 11:58:47,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:58:47,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:58:47,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:58:47,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:58:47,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:58:47,372 INFO L87 Difference]: Start difference. First operand 523 states and 699 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 11:58:48,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:58:48,074 INFO L93 Difference]: Finished difference Result 1034 states and 1387 transitions. [2024-11-05 11:58:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:58:48,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 168 [2024-11-05 11:58:48,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:58:48,078 INFO L225 Difference]: With dead ends: 1034 [2024-11-05 11:58:48,078 INFO L226 Difference]: Without dead ends: 524 [2024-11-05 11:58:48,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:58:48,080 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 0 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-05 11:58:48,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2073 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-05 11:58:48,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-05 11:58:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-11-05 11:58:48,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 374 states have (on average 1.2994652406417113) internal successors, (486), 385 states have internal predecessors, (486), 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) [2024-11-05 11:58:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 700 transitions. [2024-11-05 11:58:48,098 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 700 transitions. Word has length 168 [2024-11-05 11:58:48,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:58:48,100 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 700 transitions. [2024-11-05 11:58:48,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 11:58:48,100 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 700 transitions. [2024-11-05 11:58:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-05 11:58:48,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:58:48,102 INFO L215 NwaCegarLoop]: trace histogram [8, 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] [2024-11-05 11:58:48,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 11:58:48,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:58:48,302 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:58:48,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:58:48,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1273749952, now seen corresponding path program 1 times [2024-11-05 11:58:48,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:58:48,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409768812] [2024-11-05 11:58:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:58:48,303 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:58:48,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:58:48,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:58:48,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:58:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:58:49,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 1289 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 11:58:49,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:58:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-05 11:58:50,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:58:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-05 11:58:56,113 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:58:56,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409768812] [2024-11-05 11:58:56,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1409768812] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:58:56,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:58:56,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 11:58:56,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865355968] [2024-11-05 11:58:56,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:58:56,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 11:58:56,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:58:56,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 11:58:56,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:58:56,115 INFO L87 Difference]: Start difference. First operand 524 states and 700 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-05 11:58:59,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:58:59,932 INFO L93 Difference]: Finished difference Result 1048 states and 1409 transitions. [2024-11-05 11:58:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-05 11:58:59,935 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 176 [2024-11-05 11:58:59,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:58:59,941 INFO L225 Difference]: With dead ends: 1048 [2024-11-05 11:58:59,942 INFO L226 Difference]: Without dead ends: 540 [2024-11-05 11:58:59,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-11-05 11:58:59,944 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 8 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2748 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:58:59,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2748 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-05 11:58:59,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-05 11:58:59,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-11-05 11:58:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 388 states have (on average 1.3015463917525774) internal successors, (505), 399 states have internal predecessors, (505), 111 states have call successors, (111), 41 states have call predecessors, (111), 40 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 11:58:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 719 transitions. [2024-11-05 11:58:59,977 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 719 transitions. Word has length 176 [2024-11-05 11:58:59,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:58:59,978 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 719 transitions. [2024-11-05 11:58:59,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-05 11:58:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 719 transitions. [2024-11-05 11:58:59,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-05 11:58:59,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:58:59,983 INFO L215 NwaCegarLoop]: trace histogram [23, 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] [2024-11-05 11:58:59,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:59:00,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:59:00,184 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:59:00,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:59:00,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1967697664, now seen corresponding path program 2 times [2024-11-05 11:59:00,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:59:00,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942491675] [2024-11-05 11:59:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:59:00,185 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:59:00,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:59:00,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:59:00,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:59:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:59:01,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 11:59:01,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:59:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 349 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-05 11:59:02,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:59:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 45 proven. 63 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-11-05 11:59:09,696 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:59:09,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942491675] [2024-11-05 11:59:09,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [942491675] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:59:09,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:59:09,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 11:59:09,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770055165] [2024-11-05 11:59:09,697 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:59:09,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:59:09,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:59:09,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:59:09,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:59:09,699 INFO L87 Difference]: Start difference. First operand 540 states and 719 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 11:59:16,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:59:16,517 INFO L93 Difference]: Finished difference Result 1065 states and 1421 transitions. [2024-11-05 11:59:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-05 11:59:16,518 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 191 [2024-11-05 11:59:16,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:59:16,521 INFO L225 Difference]: With dead ends: 1065 [2024-11-05 11:59:16,521 INFO L226 Difference]: Without dead ends: 544 [2024-11-05 11:59:16,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2024-11-05 11:59:16,523 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 8 mSDsluCounter, 3417 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:59:16,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4108 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-05 11:59:16,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-05 11:59:16,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-11-05 11:59:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 392 states have (on average 1.2933673469387754) internal successors, (507), 403 states have internal predecessors, (507), 111 states have call successors, (111), 41 states have call predecessors, (111), 40 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 11:59:16,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 721 transitions. [2024-11-05 11:59:16,538 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 721 transitions. Word has length 191 [2024-11-05 11:59:16,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:59:16,539 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 721 transitions. [2024-11-05 11:59:16,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 11:59:16,539 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 721 transitions. [2024-11-05 11:59:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-05 11:59:16,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:59:16,540 INFO L215 NwaCegarLoop]: trace histogram [35, 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] [2024-11-05 11:59:16,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 11:59:16,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:59:16,742 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:59:16,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:59:16,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1430673664, now seen corresponding path program 3 times [2024-11-05 11:59:16,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:59:16,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436311090] [2024-11-05 11:59:16,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:59:16,743 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:59:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:59:16,750 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:59:16,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:59:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:59:17,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-05 11:59:17,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:59:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 613 proven. 21 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-11-05 11:59:22,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:59:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 93 proven. 201 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-11-05 11:59:34,002 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:59:34,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436311090] [2024-11-05 11:59:34,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [436311090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:59:34,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:59:34,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-05 11:59:34,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704726563] [2024-11-05 11:59:34,005 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:59:34,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-05 11:59:34,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:59:34,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-05 11:59:34,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-05 11:59:34,007 INFO L87 Difference]: Start difference. First operand 544 states and 721 transitions. Second operand has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 11:59:43,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:59:43,997 INFO L93 Difference]: Finished difference Result 1077 states and 1435 transitions. [2024-11-05 11:59:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-05 11:59:43,998 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 203 [2024-11-05 11:59:43,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:59:44,001 INFO L225 Difference]: With dead ends: 1077 [2024-11-05 11:59:44,001 INFO L226 Difference]: Without dead ends: 548 [2024-11-05 11:59:44,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-05 11:59:44,003 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 10 mSDsluCounter, 4783 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5474 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:59:44,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5474 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-05 11:59:44,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-05 11:59:44,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2024-11-05 11:59:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 396 states have (on average 1.292929292929293) internal successors, (512), 407 states have internal predecessors, (512), 111 states have call successors, (111), 41 states have call predecessors, (111), 40 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 11:59:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 726 transitions. [2024-11-05 11:59:44,016 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 726 transitions. Word has length 203 [2024-11-05 11:59:44,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:59:44,017 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 726 transitions. [2024-11-05 11:59:44,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 11:59:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 726 transitions. [2024-11-05 11:59:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-05 11:59:44,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:59:44,019 INFO L215 NwaCegarLoop]: trace histogram [41, 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] [2024-11-05 11:59:44,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:59:44,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:59:44,223 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:59:44,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:59:44,223 INFO L85 PathProgramCache]: Analyzing trace with hash 717828608, now seen corresponding path program 4 times [2024-11-05 11:59:44,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:59:44,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324182133] [2024-11-05 11:59:44,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:59:44,224 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:59:44,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:59:44,226 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:59:44,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:59:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:59:45,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 1652 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:59:45,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:59:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2024-11-05 11:59:45,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:59:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2024-11-05 11:59:50,646 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:59:50,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324182133] [2024-11-05 11:59:50,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [324182133] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:59:50,646 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:59:50,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:59:50,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207769326] [2024-11-05 11:59:50,647 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:59:50,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:59:50,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:59:50,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:59:50,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:59:50,648 INFO L87 Difference]: Start difference. First operand 548 states and 726 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-11-05 11:59:54,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []