/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:34:02,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:34:02,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:34:02,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:34:02,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:34:02,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:34:02,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:34:02,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:34:02,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:34:02,366 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:34:02,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:34:02,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:34:02,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:34:02,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:34:02,367 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:34:02,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:34:02,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:34:02,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:34:02,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:34:02,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:34:02,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:34:02,372 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:34:02,372 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:34:02,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:34:02,372 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:34:02,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:34:02,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:34:02,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:34:02,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:34:02,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:34:02,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:34:02,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:34:02,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:34:02,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:34:02,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:34:02,374 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:34:02,374 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:34:02,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:34:02,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:34:02,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:34:02,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:34:02,375 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:34:02,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:34:02,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:34:02,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:34:02,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:34:02,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:34:02,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-05 11:34:03,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:34:04,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:34:04,351 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-05 11:34:04,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6f3924b0/2b0f93a9348347ee9116ea34b3455b89/FLAG324da2c86 [2024-11-05 11:34:04,402 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6f3924b0/2b0f93a9348347ee9116ea34b3455b89 [2024-11-05 11:34:04,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:34:04,406 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:34:04,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:34:04,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:34:04,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:34:04,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:34:04" (1/1) ... [2024-11-05 11:34:04,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68601e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:04, skipping insertion in model container [2024-11-05 11:34:04,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:34:04" (1/1) ... [2024-11-05 11:34:04,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:34:05,501 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2024-11-05 11:34:05,623 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,626 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,640 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,654 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,657 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,658 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,661 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,668 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,711 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,716 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,723 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,724 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,724 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,725 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,725 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,726 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,726 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,732 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,804 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,817 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,821 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,821 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,822 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,822 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,822 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,867 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,889 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:05,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:34:05,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:34:06,016 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5282] [2024-11-05 11:34:06,018 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5289] [2024-11-05 11:34:06,018 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; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5297-5298] [2024-11-05 11:34:06,019 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; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5306-5307] [2024-11-05 11:34:06,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5320] [2024-11-05 11:34:06,023 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; incl %0": "+m" (v->counter)); [5383] [2024-11-05 11:34:06,023 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5391-5392] [2024-11-05 11:34:06,034 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2024-11-05 11:34:06,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5963] [2024-11-05 11:34:06,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5966] [2024-11-05 11:34:06,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5969] [2024-11-05 11:34:06,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5972] [2024-11-05 11:34:06,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5975] [2024-11-05 11:34:06,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5991-5992] [2024-11-05 11:34:06,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5995-5996] [2024-11-05 11:34:06,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5999-6000] [2024-11-05 11:34:06,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6003-6004] [2024-11-05 11:34:06,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6007-6008] [2024-11-05 11:34:06,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6031-6032] [2024-11-05 11:34:06,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6035-6036] [2024-11-05 11:34:06,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6039-6040] [2024-11-05 11:34:06,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6043-6044] [2024-11-05 11:34:06,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6047-6048] [2024-11-05 11:34:06,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6176] [2024-11-05 11:34:06,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6179] [2024-11-05 11:34:06,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6182] [2024-11-05 11:34:06,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6185] [2024-11-05 11:34:06,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6188] [2024-11-05 11:34:06,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [6200-6201] [2024-11-05 11:34:06,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6218-6219] [2024-11-05 11:34:06,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6222-6223] [2024-11-05 11:34:06,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6226-6227] [2024-11-05 11:34:06,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6230-6231] [2024-11-05 11:34:06,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6234-6235] [2024-11-05 11:34:06,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((u32 *)argp), "i" (4UL)); [6247-6248] [2024-11-05 11:34:06,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6261-6262] [2024-11-05 11:34:06,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6265-6266] [2024-11-05 11:34:06,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6269-6270] [2024-11-05 11:34:06,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6273-6274] [2024-11-05 11:34:06,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6277-6278] [2024-11-05 11:34:06,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" ((u32 *)argp), "i" (4UL)); [6290-6291] [2024-11-05 11:34:06,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6328-6329] [2024-11-05 11:34:06,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6332-6333] [2024-11-05 11:34:06,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6336-6337] [2024-11-05 11:34:06,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6340-6341] [2024-11-05 11:34:06,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6344-6345] [2024-11-05 11:34:06,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" (p), "i" (4UL)); [6357-6358] [2024-11-05 11:34:06,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:34:06,270 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:34:06,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06 WrapperNode [2024-11-05 11:34:06,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:34:06,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:34:06,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:34:06,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:34:06,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,412 INFO L138 Inliner]: procedures = 192, calls = 596, calls flagged for inlining = 99, calls inlined = 93, statements flattened = 2396 [2024-11-05 11:34:06,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:34:06,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:34:06,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:34:06,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:34:06,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,631 INFO L175 MemorySlicer]: Split 317 memory accesses to 7 slices as follows [229, 2, 20, 13, 1, 28, 24]. 72 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [6, 2, 15, 0, 0, 0, 0]. The 152 writes are split as follows [100, 0, 2, 13, 0, 13, 24]. [2024-11-05 11:34:06,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:34:06,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:34:06,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:34:06,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:34:06,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (1/1) ... [2024-11-05 11:34:06,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:34:06,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:34:06,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 11:34:06,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 11:34:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-05 11:34:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:34:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2024-11-05 11:34:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2024-11-05 11:34:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-05 11:34:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-05 11:34:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:34:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:34:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:34:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:34:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:34:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:34:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:34:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 11:34:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 11:34:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 11:34:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 11:34:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:34:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:34:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2024-11-05 11:34:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2024-11-05 11:34:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-05 11:34:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-05 11:34:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-05 11:34:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-05 11:34:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-05 11:34:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-05 11:34:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:34:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2024-11-05 11:34:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-05 11:34:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-05 11:34:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-05 11:34:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2024-11-05 11:34:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2024-11-05 11:34:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-05 11:34:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-05 11:34:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 11:34:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 11:34:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:34:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:34:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:34:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:34:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:34:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:34:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:34:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:34:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:34:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 11:34:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:34:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:34:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:34:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 11:34:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 11:34:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 11:34:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 11:34:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 11:34:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 11:34:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 11:34:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 11:34:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 11:34:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 11:34:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-05 11:34:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-05 11:34:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:34:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:34:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2024-11-05 11:34:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2024-11-05 11:34:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2024-11-05 11:34:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-05 11:34:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 11:34:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 11:34:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 11:34:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 11:34:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 11:34:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 11:34:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 11:34:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 11:34:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 11:34:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-05 11:34:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2024-11-05 11:34:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-05 11:34:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-05 11:34:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-05 11:34:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-05 11:34:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:34:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:34:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:34:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:34:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:34:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:34:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:34:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 11:34:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-05 11:34:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-05 11:34:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 11:34:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-05 11:34:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2024-11-05 11:34:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 11:34:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-05 11:34:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-05 11:34:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 11:34:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 11:34:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-05 11:34:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-05 11:34:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:34:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:34:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2024-11-05 11:34:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2024-11-05 11:34:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-05 11:34:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-05 11:34:07,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:34:07,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:34:07,671 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:34:22,272 INFO L? ?]: Removed 1212 outVars from TransFormulas that were not future-live. [2024-11-05 11:34:22,273 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:34:22,293 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:34:22,294 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 11:34:22,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:34:22 BoogieIcfgContainer [2024-11-05 11:34:22,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:34:22,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:34:22,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:34:22,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:34:22,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:34:04" (1/3) ... [2024-11-05 11:34:22,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5899fe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:34:22, skipping insertion in model container [2024-11-05 11:34:22,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:06" (2/3) ... [2024-11-05 11:34:22,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5899fe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:34:22, skipping insertion in model container [2024-11-05 11:34:22,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:34:22" (3/3) ... [2024-11-05 11:34:22,301 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-05 11:34:22,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:34:22,315 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:34:22,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:34:22,379 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;@79633067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:34:22,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:34:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 728 states, 570 states have (on average 1.431578947368421) internal successors, (816), 584 states have internal predecessors, (816), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-05 11:34:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-05 11:34:22,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:22,421 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:22,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:22,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:22,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1729511612, now seen corresponding path program 1 times [2024-11-05 11:34:22,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:22,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157445153] [2024-11-05 11:34:22,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:22,452 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:22,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:22,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:22,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:34:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:22,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:22,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:23,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:24,139 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:24,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157445153] [2024-11-05 11:34:24,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [157445153] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:24,139 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:24,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:34:24,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096104213] [2024-11-05 11:34:24,145 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:24,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:34:24,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:24,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:34:24,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:24,216 INFO L87 Difference]: Start difference. First operand has 728 states, 570 states have (on average 1.431578947368421) internal successors, (816), 584 states have internal predecessors, (816), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 11:34:28,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:34:32,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:32,868 INFO L93 Difference]: Finished difference Result 2798 states and 4126 transitions. [2024-11-05 11:34:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:34:32,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78 [2024-11-05 11:34:32,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:32,903 INFO L225 Difference]: With dead ends: 2798 [2024-11-05 11:34:32,903 INFO L226 Difference]: Without dead ends: 2054 [2024-11-05 11:34:32,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:32,918 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 2732 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 213 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:32,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 2807 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 242 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2024-11-05 11:34:32,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2024-11-05 11:34:33,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2054. [2024-11-05 11:34:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 1630 states have (on average 1.4220858895705522) internal successors, (2318), 1654 states have internal predecessors, (2318), 315 states have call successors, (315), 109 states have call predecessors, (315), 108 states have return successors, (314), 314 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-05 11:34:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2947 transitions. [2024-11-05 11:34:33,050 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2947 transitions. Word has length 78 [2024-11-05 11:34:33,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:33,051 INFO L471 AbstractCegarLoop]: Abstraction has 2054 states and 2947 transitions. [2024-11-05 11:34:33,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 11:34:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2947 transitions. [2024-11-05 11:34:33,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-05 11:34:33,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:33,055 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:33,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:34:33,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:33,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:33,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:33,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1338649670, now seen corresponding path program 1 times [2024-11-05 11:34:33,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:33,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619480193] [2024-11-05 11:34:33,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:33,257 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:33,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:33,259 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:33,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:34:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:33,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:34:33,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:34,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:34,749 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:34,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619480193] [2024-11-05 11:34:34,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [619480193] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:34,750 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:34,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-05 11:34:34,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324775203] [2024-11-05 11:34:34,750 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:34,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 11:34:34,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:34,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 11:34:34,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 11:34:34,758 INFO L87 Difference]: Start difference. First operand 2054 states and 2947 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 11:34:35,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:35,356 INFO L93 Difference]: Finished difference Result 4093 states and 5869 transitions. [2024-11-05 11:34:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:34:35,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 82 [2024-11-05 11:34:35,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:35,369 INFO L225 Difference]: With dead ends: 4093 [2024-11-05 11:34:35,369 INFO L226 Difference]: Without dead ends: 2063 [2024-11-05 11:34:35,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:34:35,376 INFO L432 NwaCegarLoop]: 1029 mSDtfsCounter, 1023 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 3087 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:35,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 3087 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 11:34:35,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2024-11-05 11:34:35,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 2057. [2024-11-05 11:34:35,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2057 states, 1633 states have (on average 1.4206981016533986) internal successors, (2320), 1657 states have internal predecessors, (2320), 315 states have call successors, (315), 109 states have call predecessors, (315), 108 states have return successors, (314), 314 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-05 11:34:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2949 transitions. [2024-11-05 11:34:35,474 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 2949 transitions. Word has length 82 [2024-11-05 11:34:35,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:35,474 INFO L471 AbstractCegarLoop]: Abstraction has 2057 states and 2949 transitions. [2024-11-05 11:34:35,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 11:34:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2949 transitions. [2024-11-05 11:34:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-05 11:34:35,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:35,479 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:35,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 11:34:35,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:35,681 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:35,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash 240332671, now seen corresponding path program 1 times [2024-11-05 11:34:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:35,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068772421] [2024-11-05 11:34:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:35,682 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:35,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:35,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:35,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:34:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:36,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:34:36,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:37,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:38,618 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:38,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068772421] [2024-11-05 11:34:38,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2068772421] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:38,618 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:38,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-05 11:34:38,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365210076] [2024-11-05 11:34:38,618 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:38,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 11:34:38,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:38,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 11:34:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:34:38,619 INFO L87 Difference]: Start difference. First operand 2057 states and 2949 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 11:34:39,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:39,947 INFO L93 Difference]: Finished difference Result 6120 states and 8825 transitions. [2024-11-05 11:34:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:34:39,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87 [2024-11-05 11:34:39,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:39,976 INFO L225 Difference]: With dead ends: 6120 [2024-11-05 11:34:39,976 INFO L226 Difference]: Without dead ends: 4079 [2024-11-05 11:34:39,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-05 11:34:39,987 INFO L432 NwaCegarLoop]: 1034 mSDtfsCounter, 999 mSDsluCounter, 5121 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:39,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 6155 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-05 11:34:39,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2024-11-05 11:34:40,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 4067. [2024-11-05 11:34:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4067 states, 3232 states have (on average 1.422339108910891) internal successors, (4597), 3280 states have internal predecessors, (4597), 618 states have call successors, (618), 217 states have call predecessors, (618), 216 states have return successors, (662), 617 states have call predecessors, (662), 617 states have call successors, (662) [2024-11-05 11:34:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 5877 transitions. [2024-11-05 11:34:40,162 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 5877 transitions. Word has length 87 [2024-11-05 11:34:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:40,163 INFO L471 AbstractCegarLoop]: Abstraction has 4067 states and 5877 transitions. [2024-11-05 11:34:40,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 11:34:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 5877 transitions. [2024-11-05 11:34:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-05 11:34:40,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:40,231 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:40,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 11:34:40,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:40,436 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:40,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:40,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2054337854, now seen corresponding path program 1 times [2024-11-05 11:34:40,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:40,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95359369] [2024-11-05 11:34:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:40,437 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:40,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:40,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:40,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:34:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:40,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:40,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-05 11:34:41,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-05 11:34:42,715 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:42,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95359369] [2024-11-05 11:34:42,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [95359369] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:42,719 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:42,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:34:42,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861118142] [2024-11-05 11:34:42,720 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:42,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:34:42,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:34:42,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:42,725 INFO L87 Difference]: Start difference. First operand 4067 states and 5877 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 11:34:43,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:43,501 INFO L93 Difference]: Finished difference Result 10069 states and 14559 transitions. [2024-11-05 11:34:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:34:43,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 145 [2024-11-05 11:34:43,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:43,525 INFO L225 Difference]: With dead ends: 10069 [2024-11-05 11:34:43,525 INFO L226 Difference]: Without dead ends: 6026 [2024-11-05 11:34:43,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:43,536 INFO L432 NwaCegarLoop]: 1061 mSDtfsCounter, 529 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:43,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 2015 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-05 11:34:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6026 states. [2024-11-05 11:34:43,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6026 to 6014. [2024-11-05 11:34:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6014 states, 4790 states have (on average 1.4296450939457201) internal successors, (6848), 4853 states have internal predecessors, (6848), 896 states have call successors, (896), 328 states have call predecessors, (896), 327 states have return successors, (955), 892 states have call predecessors, (955), 895 states have call successors, (955) [2024-11-05 11:34:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6014 states to 6014 states and 8699 transitions. [2024-11-05 11:34:43,823 INFO L78 Accepts]: Start accepts. Automaton has 6014 states and 8699 transitions. Word has length 145 [2024-11-05 11:34:43,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:43,823 INFO L471 AbstractCegarLoop]: Abstraction has 6014 states and 8699 transitions. [2024-11-05 11:34:43,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 11:34:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 6014 states and 8699 transitions. [2024-11-05 11:34:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-05 11:34:43,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:43,834 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:43,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 11:34:44,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:44,039 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:44,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:44,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1362490919, now seen corresponding path program 1 times [2024-11-05 11:34:44,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:44,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925320678] [2024-11-05 11:34:44,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:44,041 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:44,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:44,045 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:44,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:34:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:44,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:44,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-05 11:34:45,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-05 11:34:46,841 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:46,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925320678] [2024-11-05 11:34:46,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1925320678] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:46,841 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:46,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:34:46,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241153802] [2024-11-05 11:34:46,841 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:46,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:34:46,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:46,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:34:46,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:46,842 INFO L87 Difference]: Start difference. First operand 6014 states and 8699 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-05 11:34:50,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:34:54,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:54,031 INFO L93 Difference]: Finished difference Result 16889 states and 24497 transitions. [2024-11-05 11:34:54,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:34:54,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 163 [2024-11-05 11:34:54,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:54,086 INFO L225 Difference]: With dead ends: 16889 [2024-11-05 11:34:54,087 INFO L226 Difference]: Without dead ends: 10910 [2024-11-05 11:34:54,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:54,112 INFO L432 NwaCegarLoop]: 1497 mSDtfsCounter, 1274 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:54,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 3242 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 202 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2024-11-05 11:34:54,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10910 states. [2024-11-05 11:34:54,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10910 to 10844. [2024-11-05 11:34:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10844 states, 8688 states have (on average 1.4337016574585635) internal successors, (12456), 8789 states have internal predecessors, (12456), 1546 states have call successors, (1546), 610 states have call predecessors, (1546), 609 states have return successors, (1647), 1540 states have call predecessors, (1647), 1545 states have call successors, (1647) [2024-11-05 11:34:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10844 states to 10844 states and 15649 transitions. [2024-11-05 11:34:54,603 INFO L78 Accepts]: Start accepts. Automaton has 10844 states and 15649 transitions. Word has length 163 [2024-11-05 11:34:54,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:54,604 INFO L471 AbstractCegarLoop]: Abstraction has 10844 states and 15649 transitions. [2024-11-05 11:34:54,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-05 11:34:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 10844 states and 15649 transitions. [2024-11-05 11:34:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-05 11:34:54,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:54,623 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:54,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:34:54,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:54,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:54,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:54,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1582757781, now seen corresponding path program 1 times [2024-11-05 11:34:54,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:54,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87525918] [2024-11-05 11:34:54,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:54,824 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:54,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:54,829 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:54,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:34:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:55,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:55,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-05 11:34:55,610 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-05 11:34:57,376 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:57,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87525918] [2024-11-05 11:34:57,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [87525918] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:57,376 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:57,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:34:57,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191377224] [2024-11-05 11:34:57,376 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:57,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:34:57,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:57,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:34:57,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:57,378 INFO L87 Difference]: Start difference. First operand 10844 states and 15649 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-05 11:34:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:57,938 INFO L93 Difference]: Finished difference Result 25916 states and 37085 transitions. [2024-11-05 11:34:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:34:57,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 174 [2024-11-05 11:34:57,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:58,024 INFO L225 Difference]: With dead ends: 25916 [2024-11-05 11:34:58,024 INFO L226 Difference]: Without dead ends: 15107 [2024-11-05 11:34:58,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:58,059 INFO L432 NwaCegarLoop]: 1561 mSDtfsCounter, 674 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2545 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:58,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2545 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:34:58,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15107 states. [2024-11-05 11:34:58,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15107 to 15060. [2024-11-05 11:34:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15060 states, 12133 states have (on average 1.419269760158246) internal successors, (17220), 12283 states have internal predecessors, (17220), 2017 states have call successors, (2017), 910 states have call predecessors, (2017), 909 states have return successors, (2166), 2010 states have call predecessors, (2166), 2016 states have call successors, (2166) [2024-11-05 11:34:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15060 states to 15060 states and 21403 transitions. [2024-11-05 11:34:58,623 INFO L78 Accepts]: Start accepts. Automaton has 15060 states and 21403 transitions. Word has length 174 [2024-11-05 11:34:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:58,624 INFO L471 AbstractCegarLoop]: Abstraction has 15060 states and 21403 transitions. [2024-11-05 11:34:58,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-05 11:34:58,625 INFO L276 IsEmpty]: Start isEmpty. Operand 15060 states and 21403 transitions. [2024-11-05 11:34:58,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-05 11:34:58,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:58,649 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:58,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:34:58,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:58,850 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:58,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:58,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1241150221, now seen corresponding path program 1 times [2024-11-05 11:34:58,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:58,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124499384] [2024-11-05 11:34:58,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:58,851 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:58,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:58,852 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:58,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:34:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:59,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:59,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-05 11:34:59,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:35:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-05 11:35:00,856 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:35:00,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124499384] [2024-11-05 11:35:00,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2124499384] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:35:00,856 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:35:00,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:35:00,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578303486] [2024-11-05 11:35:00,856 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:35:00,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:35:00,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:35:00,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:35:00,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:35:00,857 INFO L87 Difference]: Start difference. First operand 15060 states and 21403 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 11:35:01,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:35:01,325 INFO L93 Difference]: Finished difference Result 22662 states and 32446 transitions. [2024-11-05 11:35:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:35:01,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-05 11:35:01,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:35:01,372 INFO L225 Difference]: With dead ends: 22662 [2024-11-05 11:35:01,372 INFO L226 Difference]: Without dead ends: 15096 [2024-11-05 11:35:01,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:35:01,395 INFO L432 NwaCegarLoop]: 1026 mSDtfsCounter, 3 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2044 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:35:01,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2044 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:35:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15096 states. [2024-11-05 11:35:01,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15096 to 15096. [2024-11-05 11:35:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15096 states, 12169 states have (on average 1.4180294190155314) internal successors, (17256), 12319 states have internal predecessors, (17256), 2017 states have call successors, (2017), 910 states have call predecessors, (2017), 909 states have return successors, (2166), 2010 states have call predecessors, (2166), 2016 states have call successors, (2166) [2024-11-05 11:35:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15096 states to 15096 states and 21439 transitions. [2024-11-05 11:35:01,921 INFO L78 Accepts]: Start accepts. Automaton has 15096 states and 21439 transitions. Word has length 168 [2024-11-05 11:35:01,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:35:01,922 INFO L471 AbstractCegarLoop]: Abstraction has 15096 states and 21439 transitions. [2024-11-05 11:35:01,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 11:35:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 15096 states and 21439 transitions. [2024-11-05 11:35:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-05 11:35:01,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:35:01,937 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:35:01,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Forceful destruction successful, exit code 0 [2024-11-05 11:35:02,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:02,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:35:02,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:35:02,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1821562674, now seen corresponding path program 1 times [2024-11-05 11:35:02,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:35:02,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246437399] [2024-11-05 11:35:02,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:35:02,139 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:35:02,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:02,142 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:35:02,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:35:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:35:02,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-05 11:35:02,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:35:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-05 11:35:06,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:35:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-05 11:35:15,682 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:35:15,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246437399] [2024-11-05 11:35:15,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [246437399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:35:15,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:35:15,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2024-11-05 11:35:15,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175434815] [2024-11-05 11:35:15,683 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:35:15,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-05 11:35:15,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:35:15,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-05 11:35:15,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-05 11:35:15,684 INFO L87 Difference]: Start difference. First operand 15096 states and 21439 transitions. Second operand has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 8 states have call successors, (29), 6 states have call predecessors, (29), 7 states have return successors, (30), 8 states have call predecessors, (30), 7 states have call successors, (30) [2024-11-05 11:35:19,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:35:23,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:35:27,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:35:31,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []