/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 03:21:43,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 03:21:43,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 03:21:43,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 03:21:43,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 03:21:43,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 03:21:43,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 03:21:43,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 03:21:43,379 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 03:21:43,380 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 03:21:43,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 03:21:43,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 03:21:43,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 03:21:43,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 03:21:43,382 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 03:21:43,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 03:21:43,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 03:21:43,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 03:21:43,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 03:21:43,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 03:21:43,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 03:21:43,390 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 03:21:43,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 03:21:43,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 03:21:43,391 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 03:21:43,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 03:21:43,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 03:21:43,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 03:21:43,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 03:21:43,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 03:21:43,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 03:21:43,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 03:21:43,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 03:21:43,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 03:21:43,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 03:21:43,394 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 03:21:43,394 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 03:21:43,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 03:21:43,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 03:21:43,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 03:21:43,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 03:21:43,396 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 03:21:43,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 03:21:43,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 03:21:43,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 03:21:43,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 03:21:43,676 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 03:21:43,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-06 03:21:45,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 03:21:45,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 03:21:45,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-06 03:21:45,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dff5ef31/7e938831f59e4a61af562877ea2ab7fe/FLAGbabae3136 [2024-11-06 03:21:45,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dff5ef31/7e938831f59e4a61af562877ea2ab7fe [2024-11-06 03:21:45,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 03:21:45,714 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 03:21:45,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 03:21:45,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 03:21:45,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 03:21:45,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:21:45" (1/1) ... [2024-11-06 03:21:45,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f79278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:45, skipping insertion in model container [2024-11-06 03:21:45,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:21:45" (1/1) ... [2024-11-06 03:21:45,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 03:21:46,687 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,757 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,763 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,780 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,781 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,797 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,798 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,835 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,845 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,882 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,895 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,919 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,920 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,920 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,927 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,929 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,930 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,937 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,938 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:46,955 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i[129978,129991] [2024-11-06 03:21:47,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:21:47,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:21:47,164 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 03:21:47,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3226-3227] [2024-11-06 03:21:47,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3238-3239] [2024-11-06 03:21:47,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3242-3243] [2024-11-06 03:21:47,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3246-3247] [2024-11-06 03:21:47,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3250-3251] [2024-11-06 03:21:47,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp): "ebx"); [3767] [2024-11-06 03:21:47,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___0): "ebx"); [3772] [2024-11-06 03:21:47,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___1): "ebx"); [3777] [2024-11-06 03:21:47,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___2): "ebx"); [3782] [2024-11-06 03:21:47,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___3): "ebx"); [3787] [2024-11-06 03:21:47,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (tmp), "i" (1UL)); [3886-3887] [2024-11-06 03:21:47,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i[129978,129991] [2024-11-06 03:21:47,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:21:47,476 INFO L204 MainTranslator]: Completed translation [2024-11-06 03:21:47,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47 WrapperNode [2024-11-06 03:21:47,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 03:21:47,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 03:21:47,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 03:21:47,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 03:21:47,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,671 INFO L138 Inliner]: procedures = 196, calls = 552, calls flagged for inlining = 74, calls inlined = 69, statements flattened = 1619 [2024-11-06 03:21:47,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 03:21:47,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 03:21:47,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 03:21:47,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 03:21:47,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,708 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,887 INFO L175 MemorySlicer]: Split 205 memory accesses to 7 slices as follows [2, 13, 14, 4, 27, 122, 23]. 60 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 0, 2, 0]. The 128 writes are split as follows [0, 2, 12, 2, 27, 62, 23]. [2024-11-06 03:21:47,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 03:21:47,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 03:21:47,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 03:21:47,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 03:21:47,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (1/1) ... [2024-11-06 03:21:47,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 03:21:48,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 03:21:48,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 03:21:48,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 03:21:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 03:21:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 03:21:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 03:21:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 03:21:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 03:21:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-06 03:21:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 03:21:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 03:21:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 03:21:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 03:21:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 03:21:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 03:21:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 03:21:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-06 03:21:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-06 03:21:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 03:21:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 03:21:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-06 03:21:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-06 03:21:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-06 03:21:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-06 03:21:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 03:21:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 03:21:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 03:21:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 03:21:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_poll [2024-11-06 03:21:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_poll [2024-11-06 03:21:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-06 03:21:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-06 03:21:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-06 03:21:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 03:21:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-06 03:21:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 03:21:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 03:21:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-06 03:21:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2024-11-06 03:21:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2024-11-06 03:21:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 03:21:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 03:21:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 03:21:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 03:21:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 03:21:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 03:21:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 03:21:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-06 03:21:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-06 03:21:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-06 03:21:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-06 03:21:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure serio_close [2024-11-06 03:21:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_close [2024-11-06 03:21:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-06 03:21:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-06 03:21:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_write [2024-11-06 03:21:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_write [2024-11-06 03:21:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_fasync [2024-11-06 03:21:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_fasync [2024-11-06 03:21:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-06 03:21:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-06 03:21:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 03:21:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 03:21:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2024-11-06 03:21:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2024-11-06 03:21:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-06 03:21:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-06 03:21:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-06 03:21:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-06 03:21:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 03:21:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 03:21:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 03:21:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 03:21:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 03:21:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 03:21:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 03:21:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 03:21:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 03:21:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 03:21:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 03:21:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 03:21:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 03:21:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-06 03:21:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-06 03:21:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 03:21:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 03:21:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_disconnect [2024-11-06 03:21:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_disconnect [2024-11-06 03:21:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure serio_continue_rx [2024-11-06 03:21:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_continue_rx [2024-11-06 03:21:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-06 03:21:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-06 03:21:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 03:21:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-06 03:21:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-06 03:21:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 03:21:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-06 03:21:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-06 03:21:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure serio_set_drvdata [2024-11-06 03:21:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_set_drvdata [2024-11-06 03:21:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 03:21:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 03:21:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 03:21:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 03:21:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 03:21:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 03:21:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 03:21:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-06 03:21:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-06 03:21:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2024-11-06 03:21:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2024-11-06 03:21:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-06 03:21:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-06 03:21:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure serio_pause_rx [2024-11-06 03:21:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_pause_rx [2024-11-06 03:21:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-06 03:21:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-06 03:21:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure serio_get_drvdata [2024-11-06 03:21:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_get_drvdata [2024-11-06 03:21:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-06 03:21:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-06 03:21:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-06 03:21:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-06 03:21:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 03:21:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 03:21:48,454 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 03:21:48,457 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 03:21:48,546 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 03:22:07,190 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live. [2024-11-06 03:22:07,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 03:22:07,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 03:22:07,235 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 03:22:07,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:22:07 BoogieIcfgContainer [2024-11-06 03:22:07,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 03:22:07,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 03:22:07,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 03:22:07,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 03:22:07,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 03:21:45" (1/3) ... [2024-11-06 03:22:07,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8bcf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:22:07, skipping insertion in model container [2024-11-06 03:22:07,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:21:47" (2/3) ... [2024-11-06 03:22:07,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8bcf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:22:07, skipping insertion in model container [2024-11-06 03:22:07,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:22:07" (3/3) ... [2024-11-06 03:22:07,247 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-06 03:22:07,267 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 03:22:07,267 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 03:22:07,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 03:22:07,388 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;@4f4651ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 03:22:07,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 03:22:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 534 states, 378 states have (on average 1.3148148148148149) internal successors, (497), 395 states have internal predecessors, (497), 115 states have call successors, (115), 40 states have call predecessors, (115), 39 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-06 03:22:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-06 03:22:07,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:22:07,415 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:22:07,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:22:07,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:22:07,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1477246676, now seen corresponding path program 1 times [2024-11-06 03:22:07,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:22:07,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032690644] [2024-11-06 03:22:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:22:07,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:07,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:22:07,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:22:07,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 03:22:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:22:09,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 03:22:09,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:22:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-06 03:22:09,104 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:22:09,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:22:09,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032690644] [2024-11-06 03:22:09,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032690644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:22:09,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:22:09,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 03:22:09,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055876682] [2024-11-06 03:22:09,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:22:09,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 03:22:09,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:22:09,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 03:22:09,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 03:22:09,139 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 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-06 03:22:09,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:22:09,245 INFO L93 Difference]: Finished difference Result 1063 states and 1474 transitions. [2024-11-06 03:22:09,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 03:22:09,247 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2024-11-06 03:22:09,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:22:09,269 INFO L225 Difference]: With dead ends: 1063 [2024-11-06 03:22:09,270 INFO L226 Difference]: Without dead ends: 523 [2024-11-06 03:22:09,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 03:22:09,282 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 03:22:09,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 03:22:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-06 03:22:09,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-06 03:22:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 373 states have (on average 1.3002680965147453) internal successors, (485), 384 states have internal predecessors, (485), 111 states have call successors, (111), 39 states have call predecessors, (111), 38 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-06 03:22:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 699 transitions. [2024-11-06 03:22:09,378 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 699 transitions. Word has length 168 [2024-11-06 03:22:09,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:22:09,379 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 699 transitions. [2024-11-06 03:22:09,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-06 03:22:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 699 transitions. [2024-11-06 03:22:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-06 03:22:09,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:22:09,383 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:22:09,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 03:22:09,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:09,585 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:22:09,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:22:09,585 INFO L85 PathProgramCache]: Analyzing trace with hash 404943672, now seen corresponding path program 1 times [2024-11-06 03:22:09,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:22:09,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958539647] [2024-11-06 03:22:09,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:22:09,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:09,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:22:09,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:22:09,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 03:22:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:22:11,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-06 03:22:11,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:22:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-06 03:22:12,380 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:22:12,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:22:12,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958539647] [2024-11-06 03:22:12,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958539647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:22:12,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:22:12,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 03:22:12,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903474547] [2024-11-06 03:22:12,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:22:12,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 03:22:12,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:22:12,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 03:22:12,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 03:22:12,384 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) [2024-11-06 03:22:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:22:13,328 INFO L93 Difference]: Finished difference Result 1034 states and 1387 transitions. [2024-11-06 03:22:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 03:22:13,329 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 [2024-11-06 03:22:13,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:22:13,337 INFO L225 Difference]: With dead ends: 1034 [2024-11-06 03:22:13,337 INFO L226 Difference]: Without dead ends: 524 [2024-11-06 03:22:13,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 03:22:13,341 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 0 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 03:22:13,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2073 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 03:22:13,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-06 03:22:13,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-11-06 03:22:13,376 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) [2024-11-06 03:22:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 700 transitions. [2024-11-06 03:22:13,383 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 700 transitions. Word has length 168 [2024-11-06 03:22:13,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:22:13,385 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 700 transitions. [2024-11-06 03:22:13,385 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) [2024-11-06 03:22:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 700 transitions. [2024-11-06 03:22:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-06 03:22:13,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:22:13,389 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] [2024-11-06 03:22:13,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-06 03:22:13,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:13,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:22:13,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:22:13,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1273749952, now seen corresponding path program 1 times [2024-11-06 03:22:13,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:22:13,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047880905] [2024-11-06 03:22:13,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:22:13,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:13,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:22:13,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:22:13,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 03:22:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:22:15,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 1289 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 03:22:15,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:22:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-06 03:22:16,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:22:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-06 03:22:24,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:22:24,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047880905] [2024-11-06 03:22:24,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047880905] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 03:22:24,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 03:22:24,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 03:22:24,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505995280] [2024-11-06 03:22:24,345 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 03:22:24,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 03:22:24,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:22:24,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 03:22:24,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 03:22:24,348 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) [2024-11-06 03:22:29,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:22:29,387 INFO L93 Difference]: Finished difference Result 1048 states and 1409 transitions. [2024-11-06 03:22:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-06 03:22:29,389 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 [2024-11-06 03:22:29,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:22:29,396 INFO L225 Difference]: With dead ends: 1048 [2024-11-06 03:22:29,397 INFO L226 Difference]: Without dead ends: 540 [2024-11-06 03:22:29,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-11-06 03:22:29,401 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 7 mSDsluCounter, 2735 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3427 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-06 03:22:29,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3427 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-06 03:22:29,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-06 03:22:29,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-11-06 03:22:29,426 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) [2024-11-06 03:22:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 719 transitions. [2024-11-06 03:22:29,432 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 719 transitions. Word has length 176 [2024-11-06 03:22:29,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:22:29,433 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 719 transitions. [2024-11-06 03:22:29,433 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) [2024-11-06 03:22:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 719 transitions. [2024-11-06 03:22:29,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-06 03:22:29,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:22:29,440 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] [2024-11-06 03:22:29,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-06 03:22:29,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:29,641 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:22:29,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:22:29,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1967697664, now seen corresponding path program 2 times [2024-11-06 03:22:29,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:22:29,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997062969] [2024-11-06 03:22:29,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:22:29,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:29,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:22:29,647 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:22:29,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 03:22:31,112 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 03:22:31,112 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:22:31,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 03:22:31,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:22:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-11-06 03:22:31,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:22:31,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:22:31,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997062969] [2024-11-06 03:22:31,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997062969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:22:31,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:22:31,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 03:22:31,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115091115] [2024-11-06 03:22:31,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:22:31,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:22:31,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:22:31,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:22:31,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:22:31,737 INFO L87 Difference]: Start difference. First operand 540 states and 719 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 03:22:35,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:22:36,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:22:36,377 INFO L93 Difference]: Finished difference Result 1493 states and 1990 transitions. [2024-11-06 03:22:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:22:36,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 191 [2024-11-06 03:22:36,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:22:36,386 INFO L225 Difference]: With dead ends: 1493 [2024-11-06 03:22:36,386 INFO L226 Difference]: Without dead ends: 1006 [2024-11-06 03:22:36,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:22:36,390 INFO L432 NwaCegarLoop]: 722 mSDtfsCounter, 624 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-06 03:22:36,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 1399 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-06 03:22:36,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-11-06 03:22:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 1000. [2024-11-06 03:22:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 723 states have (on average 1.3042876901798064) internal successors, (943), 738 states have internal predecessors, (943), 199 states have call successors, (199), 78 states have call predecessors, (199), 77 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-06 03:22:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1333 transitions. [2024-11-06 03:22:36,454 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1333 transitions. Word has length 191 [2024-11-06 03:22:36,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:22:36,455 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1333 transitions. [2024-11-06 03:22:36,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 03:22:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1333 transitions. [2024-11-06 03:22:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-06 03:22:36,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:22:36,459 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:22:36,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-06 03:22:36,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:36,661 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:22:36,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:22:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash -485066337, now seen corresponding path program 1 times [2024-11-06 03:22:36,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:22:36,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940979791] [2024-11-06 03:22:36,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:22:36,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:36,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:22:36,666 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:22:36,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-06 03:22:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:22:38,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-06 03:22:38,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:22:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 349 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-06 03:22:40,392 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:22:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 45 proven. 63 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-11-06 03:22:50,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:22:50,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940979791] [2024-11-06 03:22:50,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940979791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 03:22:50,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 03:22:50,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-06 03:22:50,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464964577] [2024-11-06 03:22:50,268 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 03:22:50,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 03:22:50,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:22:50,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 03:22:50,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-06 03:22:50,270 INFO L87 Difference]: Start difference. First operand 1000 states and 1333 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-06 03:22:58,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:22:58,612 INFO L93 Difference]: Finished difference Result 1985 states and 2649 transitions. [2024-11-06 03:22:58,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-06 03:22:58,612 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 198 [2024-11-06 03:22:58,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:22:58,620 INFO L225 Difference]: With dead ends: 1985 [2024-11-06 03:22:58,621 INFO L226 Difference]: Without dead ends: 1004 [2024-11-06 03:22:58,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2024-11-06 03:22:58,626 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 11 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4105 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-06 03:22:58,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4105 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-06 03:22:58,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2024-11-06 03:22:58,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2024-11-06 03:22:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 727 states have (on average 1.299862448418157) internal successors, (945), 742 states have internal predecessors, (945), 199 states have call successors, (199), 78 states have call predecessors, (199), 77 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-06 03:22:58,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1335 transitions. [2024-11-06 03:22:58,672 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1335 transitions. Word has length 198 [2024-11-06 03:22:58,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:22:58,672 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1335 transitions. [2024-11-06 03:22:58,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-06 03:22:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1335 transitions. [2024-11-06 03:22:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-06 03:22:58,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:22:58,676 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:22:58,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-06 03:22:58,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:58,877 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:22:58,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:22:58,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1041800289, now seen corresponding path program 2 times [2024-11-06 03:22:58,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:22:58,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29811043] [2024-11-06 03:22:58,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:22:58,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:22:58,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:22:58,882 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:22:58,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-06 03:23:00,227 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 03:23:00,227 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:23:00,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 03:23:00,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:23:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-06 03:23:14,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:23:14,852 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:23:14,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29811043] [2024-11-06 03:23:14,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29811043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:23:14,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:23:14,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 03:23:14,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292086911] [2024-11-06 03:23:14,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:23:14,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:23:14,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:23:14,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:23:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:23:14,853 INFO L87 Difference]: Start difference. First operand 1004 states and 1335 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)