/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-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-17387ad-m [2024-11-06 02:57:50,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 02:57:50,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 02:57:50,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 02:57:50,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 02:57:50,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 02:57:50,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 02:57:50,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 02:57:50,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 02:57:50,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 02:57:50,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 02:57:50,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 02:57:50,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 02:57:50,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 02:57:50,440 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 02:57:50,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 02:57:50,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 02:57:50,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 02:57:50,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 02:57:50,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 02:57:50,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 02:57:50,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 02:57:50,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 02:57:50,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 02:57:50,444 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 02:57:50,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 02:57:50,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 02:57:50,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 02:57:50,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 02:57:50,445 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 02:57:50,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 02:57:50,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 02:57:50,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 02:57:50,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 02:57:50,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 02:57:50,446 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 02:57:50,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 02:57:50,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 02:57:50,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 02:57:50,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 02:57:50,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 02:57:50,448 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 02:57:50,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 02:57:50,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 02:57:50,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 02:57:50,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 02:57:50,645 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 02:57:50,646 INFO L431 ainManager$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 [2024-11-06 02:57:52,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 02:57:52,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 02:57:52,448 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 [2024-11-06 02:57:52,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c69cdb8a/df92fe517e9e4968bf9afe3be8efd22a/FLAGfc81b0f4f [2024-11-06 02:57:52,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c69cdb8a/df92fe517e9e4968bf9afe3be8efd22a [2024-11-06 02:57:52,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 02:57:52,514 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 02:57:52,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 02:57:52,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 02:57:52,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 02:57:52,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:57:52" (1/1) ... [2024-11-06 02:57:52,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489bc207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:52, skipping insertion in model container [2024-11-06 02:57:52,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:57:52" (1/1) ... [2024-11-06 02:57:52,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 02:57:53,632 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] [2024-11-06 02:57:53,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,798 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,866 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,872 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,875 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,888 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,948 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,956 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,957 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,958 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,960 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,961 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,962 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,963 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,968 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:53,979 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,025 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,025 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,030 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,032 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,033 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,056 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,057 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,064 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,065 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,066 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,066 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,066 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,067 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,067 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,069 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,070 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,070 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,142 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,175 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:57:54,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 02:57:54,210 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 02:57:54,322 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] [2024-11-06 02:57:54,324 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] [2024-11-06 02:57:54,325 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] [2024-11-06 02:57:54,325 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] [2024-11-06 02:57:54,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5320] [2024-11-06 02:57:54,333 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] [2024-11-06 02:57:54,334 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] [2024-11-06 02:57:54,351 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] [2024-11-06 02:57:54,380 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] [2024-11-06 02:57:54,380 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] [2024-11-06 02:57:54,380 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] [2024-11-06 02:57:54,381 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] [2024-11-06 02:57:54,381 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] [2024-11-06 02:57:54,382 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] [2024-11-06 02:57:54,382 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] [2024-11-06 02:57:54,382 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] [2024-11-06 02:57:54,382 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] [2024-11-06 02:57:54,386 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] [2024-11-06 02:57:54,387 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] [2024-11-06 02:57:54,388 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] [2024-11-06 02:57:54,388 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] [2024-11-06 02:57:54,388 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] [2024-11-06 02:57:54,388 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] [2024-11-06 02:57:54,397 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] [2024-11-06 02:57:54,399 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] [2024-11-06 02:57:54,400 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] [2024-11-06 02:57:54,401 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] [2024-11-06 02:57:54,401 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] [2024-11-06 02:57:54,402 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] [2024-11-06 02:57:54,403 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] [2024-11-06 02:57:54,404 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] [2024-11-06 02:57:54,404 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] [2024-11-06 02:57:54,404 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] [2024-11-06 02:57:54,404 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] [2024-11-06 02:57:54,405 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] [2024-11-06 02:57:54,405 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] [2024-11-06 02:57:54,405 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] [2024-11-06 02:57:54,405 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] [2024-11-06 02:57:54,406 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] [2024-11-06 02:57:54,406 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] [2024-11-06 02:57:54,406 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] [2024-11-06 02:57:54,410 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] [2024-11-06 02:57:54,411 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] [2024-11-06 02:57:54,411 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] [2024-11-06 02:57:54,411 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] [2024-11-06 02:57:54,411 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] [2024-11-06 02:57:54,413 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] [2024-11-06 02:57:54,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 02:57:54,547 INFO L204 MainTranslator]: Completed translation [2024-11-06 02:57:54,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54 WrapperNode [2024-11-06 02:57:54,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 02:57:54,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 02:57:54,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 02:57:54,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 02:57:54,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:54,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:54,749 INFO L138 Inliner]: procedures = 192, calls = 596, calls flagged for inlining = 99, calls inlined = 93, statements flattened = 2396 [2024-11-06 02:57:54,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 02:57:54,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 02:57:54,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 02:57:54,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 02:57:54,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:54,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:54,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:55,022 INFO L175 MemorySlicer]: Split 317 memory accesses to 7 slices as follows [2, 1, 13, 229, 28, 24, 20]. 72 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 6, 0, 0, 15]. The 152 writes are split as follows [0, 0, 13, 100, 13, 24, 2]. [2024-11-06 02:57:55,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:55,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:55,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:55,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:55,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:55,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:55,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 02:57:55,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 02:57:55,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 02:57:55,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 02:57:55,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (1/1) ... [2024-11-06 02:57:55,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 02:57:55,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 02:57:55,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 02:57:55,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 02:57:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-06 02:57:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 02:57:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2024-11-06 02:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-06 02:57:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-06 02:57:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 02:57:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 02:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2024-11-06 02:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2024-11-06 02:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-06 02:57:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-06 02:57:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-06 02:57:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-06 02:57:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-06 02:57:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 02:57:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2024-11-06 02:57:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2024-11-06 02:57:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-06 02:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-06 02:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2024-11-06 02:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-06 02:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 02:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 02:57:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 02:57:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 02:57:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 02:57:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 02:57:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 02:57:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 02:57:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 02:57:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 02:57:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 02:57:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 02:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-06 02:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 02:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2024-11-06 02:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 02:57:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2024-11-06 02:57:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-06 02:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-06 02:57:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-06 02:57:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-06 02:57:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-06 02:57:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-06 02:57:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-06 02:57:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-06 02:57:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-06 02:57:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-06 02:57:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-06 02:57:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-06 02:57:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-06 02:57:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-06 02:57:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-06 02:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-06 02:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-06 02:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-06 02:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-06 02:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-06 02:57:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-06 02:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-06 02:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-06 02:57:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-06 02:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2024-11-06 02:57:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2024-11-06 02:57:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-06 02:57:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-06 02:57:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-06 02:57:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 02:57:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 02:57:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 02:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-06 02:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-06 02:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-06 02:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-06 02:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-06 02:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-06 02:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-06 02:57:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 02:57:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 02:57:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-06 02:57:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-06 02:57:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-06 02:57:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-06 02:57:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2024-11-06 02:57:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-06 02:57:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-06 02:57:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-06 02:57:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 02:57:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 02:57:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2024-11-06 02:57:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2024-11-06 02:57:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-06 02:57:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-06 02:57:55,601 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 02:57:55,603 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 02:57:56,145 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 02:58:12,345 INFO L? ?]: Removed 1212 outVars from TransFormulas that were not future-live. [2024-11-06 02:58:12,345 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 02:58:12,392 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 02:58:12,392 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-06 02:58:12,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:58:12 BoogieIcfgContainer [2024-11-06 02:58:12,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 02:58:12,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 02:58:12,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 02:58:12,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 02:58:12,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:57:52" (1/3) ... [2024-11-06 02:58:12,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee9aa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:58:12, skipping insertion in model container [2024-11-06 02:58:12,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:57:54" (2/3) ... [2024-11-06 02:58:12,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee9aa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:58:12, skipping insertion in model container [2024-11-06 02:58:12,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:58:12" (3/3) ... [2024-11-06 02:58:12,403 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 [2024-11-06 02:58:12,417 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 02:58:12,417 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 02:58:12,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 02:58:12,501 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;@14e06269, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 02:58:12,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 02:58:12,508 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) [2024-11-06 02:58:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-06 02:58:12,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:58:12,524 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] [2024-11-06 02:58:12,525 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:58:12,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:58:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1729511612, now seen corresponding path program 1 times [2024-11-06 02:58:12,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:58:12,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113719536] [2024-11-06 02:58:12,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:58:12,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:12,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:58:12,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:58:12,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 02:58:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:58:13,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:58:13,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:58:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-06 02:58:13,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:58:13,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:58:13,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113719536] [2024-11-06 02:58:13,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113719536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:58:13,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:58:13,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 02:58:13,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236666465] [2024-11-06 02:58:13,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:58:13,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:58:13,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:58:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:58:13,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:13,666 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 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-06 02:58:17,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 02:58:18,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:58:18,065 INFO L93 Difference]: Finished difference Result 2125 states and 3128 transitions. [2024-11-06 02:58:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:58:18,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 [2024-11-06 02:58:18,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:58:18,094 INFO L225 Difference]: With dead ends: 2125 [2024-11-06 02:58:18,094 INFO L226 Difference]: Without dead ends: 1386 [2024-11-06 02:58:18,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:18,107 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 972 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-06 02:58:18,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 2068 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-06 02:58:18,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2024-11-06 02:58:18,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1386. [2024-11-06 02:58:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1098 states have (on average 1.4189435336976322) internal successors, (1558), 1114 states have internal predecessors, (1558), 215 states have call successors, (215), 73 states have call predecessors, (215), 72 states have return successors, (214), 214 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-06 02:58:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1987 transitions. [2024-11-06 02:58:18,253 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1987 transitions. Word has length 78 [2024-11-06 02:58:18,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:58:18,254 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1987 transitions. [2024-11-06 02:58:18,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-06 02:58:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1987 transitions. [2024-11-06 02:58:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-06 02:58:18,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:58:18,261 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] [2024-11-06 02:58:18,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-06 02:58:18,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:18,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:58:18,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:58:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1338649670, now seen corresponding path program 1 times [2024-11-06 02:58:18,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:58:18,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497844464] [2024-11-06 02:58:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:58:18,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:18,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:58:18,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:58:18,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 02:58:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:58:19,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 02:58:19,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:58:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-06 02:58:19,597 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:58:19,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:58:19,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497844464] [2024-11-06 02:58:19,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497844464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:58:19,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:58:19,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 02:58:19,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121612588] [2024-11-06 02:58:19,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:58:19,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 02:58:19,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:58:19,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 02:58:19,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 02:58:19,600 INFO L87 Difference]: Start difference. First operand 1386 states and 1987 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) [2024-11-06 02:58:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:58:20,184 INFO L93 Difference]: Finished difference Result 2757 states and 3949 transitions. [2024-11-06 02:58:20,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 02:58:20,185 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 [2024-11-06 02:58:20,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:58:20,192 INFO L225 Difference]: With dead ends: 2757 [2024-11-06 02:58:20,192 INFO L226 Difference]: Without dead ends: 1395 [2024-11-06 02:58:20,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 02:58:20,198 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 [2024-11-06 02:58:20,198 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] [2024-11-06 02:58:20,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2024-11-06 02:58:20,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1389. [2024-11-06 02:58:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1101 states have (on average 1.4168937329700273) internal successors, (1560), 1117 states have internal predecessors, (1560), 215 states have call successors, (215), 73 states have call predecessors, (215), 72 states have return successors, (214), 214 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-06 02:58:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1989 transitions. [2024-11-06 02:58:20,257 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1989 transitions. Word has length 82 [2024-11-06 02:58:20,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:58:20,257 INFO L471 AbstractCegarLoop]: Abstraction has 1389 states and 1989 transitions. [2024-11-06 02:58:20,258 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) [2024-11-06 02:58:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1989 transitions. [2024-11-06 02:58:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-06 02:58:20,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:58:20,260 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] [2024-11-06 02:58:20,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-06 02:58:20,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:20,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:58:20,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:58:20,462 INFO L85 PathProgramCache]: Analyzing trace with hash 240332671, now seen corresponding path program 1 times [2024-11-06 02:58:20,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:58:20,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301210956] [2024-11-06 02:58:20,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:58:20,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:20,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:58:20,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:58:20,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 02:58:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:58:21,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 02:58:21,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:58:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-06 02:58:21,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:58:21,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:58:21,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301210956] [2024-11-06 02:58:21,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301210956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:58:21,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:58:21,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 02:58:21,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786367693] [2024-11-06 02:58:21,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:58:21,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 02:58:21,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:58:21,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 02:58:21,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 02:58:21,946 INFO L87 Difference]: Start difference. First operand 1389 states and 1989 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-06 02:58:22,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:58:22,897 INFO L93 Difference]: Finished difference Result 4116 states and 5929 transitions. [2024-11-06 02:58:22,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 02:58:22,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2024-11-06 02:58:22,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:58:22,916 INFO L225 Difference]: With dead ends: 4116 [2024-11-06 02:58:22,916 INFO L226 Difference]: Without dead ends: 2743 [2024-11-06 02:58:22,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 02:58:22,927 INFO L432 NwaCegarLoop]: 1036 mSDtfsCounter, 999 mSDsluCounter, 3059 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 02:58:22,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 4095 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 02:58:22,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2024-11-06 02:58:23,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2735. [2024-11-06 02:58:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2735 states, 2172 states have (on average 1.4194290976058932) internal successors, (3083), 2204 states have internal predecessors, (3083), 418 states have call successors, (418), 145 states have call predecessors, (418), 144 states have return successors, (447), 417 states have call predecessors, (447), 417 states have call successors, (447) [2024-11-06 02:58:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2735 states and 3948 transitions. [2024-11-06 02:58:23,088 INFO L78 Accepts]: Start accepts. Automaton has 2735 states and 3948 transitions. Word has length 87 [2024-11-06 02:58:23,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:58:23,089 INFO L471 AbstractCegarLoop]: Abstraction has 2735 states and 3948 transitions. [2024-11-06 02:58:23,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-06 02:58:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3948 transitions. [2024-11-06 02:58:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-06 02:58:23,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:58:23,097 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] [2024-11-06 02:58:23,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-06 02:58:23,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:23,298 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:58:23,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:58:23,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2054337854, now seen corresponding path program 1 times [2024-11-06 02:58:23,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:58:23,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818332967] [2024-11-06 02:58:23,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:58:23,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:23,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:58:23,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:58:23,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 02:58:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:58:23,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:58:23,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:58:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-06 02:58:24,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:58:24,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:58:24,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818332967] [2024-11-06 02:58:24,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818332967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:58:24,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:58:24,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 02:58:24,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748222652] [2024-11-06 02:58:24,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:58:24,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:58:24,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:58:24,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:58:24,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:24,074 INFO L87 Difference]: Start difference. First operand 2735 states and 3948 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 02:58:24,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:58:24,921 INFO L93 Difference]: Finished difference Result 6768 states and 9772 transitions. [2024-11-06 02:58:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:58:24,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2024-11-06 02:58:24,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:58:24,944 INFO L225 Difference]: With dead ends: 6768 [2024-11-06 02:58:24,945 INFO L226 Difference]: Without dead ends: 4057 [2024-11-06 02:58:24,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:24,957 INFO L432 NwaCegarLoop]: 1036 mSDtfsCounter, 529 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1990 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 02:58:24,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1990 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 02:58:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4057 states. [2024-11-06 02:58:25,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4057 to 4045. [2024-11-06 02:58:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4045 states, 3220 states have (on average 1.4267080745341616) internal successors, (4594), 3263 states have internal predecessors, (4594), 605 states have call successors, (605), 220 states have call predecessors, (605), 219 states have return successors, (644), 601 states have call predecessors, (644), 604 states have call successors, (644) [2024-11-06 02:58:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 4045 states and 5843 transitions. [2024-11-06 02:58:25,174 INFO L78 Accepts]: Start accepts. Automaton has 4045 states and 5843 transitions. Word has length 145 [2024-11-06 02:58:25,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:58:25,175 INFO L471 AbstractCegarLoop]: Abstraction has 4045 states and 5843 transitions. [2024-11-06 02:58:25,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 02:58:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4045 states and 5843 transitions. [2024-11-06 02:58:25,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-06 02:58:25,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:58:25,184 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] [2024-11-06 02:58:25,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-06 02:58:25,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:25,385 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:58:25,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:58:25,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1362490919, now seen corresponding path program 1 times [2024-11-06 02:58:25,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:58:25,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847503416] [2024-11-06 02:58:25,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:58:25,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:25,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:58:25,394 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:58:25,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-06 02:58:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:58:26,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:58:26,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:58:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-06 02:58:26,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:58:26,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:58:26,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847503416] [2024-11-06 02:58:26,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847503416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:58:26,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:58:26,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 02:58:26,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794525607] [2024-11-06 02:58:26,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:58:26,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:58:26,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:58:26,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:58:26,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:26,565 INFO L87 Difference]: Start difference. First operand 4045 states and 5843 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 02:58:30,588 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 [] [2024-11-06 02:58:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:58:31,478 INFO L93 Difference]: Finished difference Result 9960 states and 14376 transitions. [2024-11-06 02:58:31,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:58:31,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 163 [2024-11-06 02:58:31,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:58:31,517 INFO L225 Difference]: With dead ends: 9960 [2024-11-06 02:58:31,517 INFO L226 Difference]: Without dead ends: 5939 [2024-11-06 02:58:31,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:31,533 INFO L432 NwaCegarLoop]: 1504 mSDtfsCounter, 727 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-06 02:58:31,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 2434 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-06 02:58:31,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2024-11-06 02:58:31,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 5921. [2024-11-06 02:58:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5921 states, 4722 states have (on average 1.4235493434985176) internal successors, (6722), 4783 states have internal predecessors, (6722), 859 states have call successors, (859), 340 states have call predecessors, (859), 339 states have return successors, (916), 853 states have call predecessors, (916), 858 states have call successors, (916) [2024-11-06 02:58:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5921 states to 5921 states and 8497 transitions. [2024-11-06 02:58:31,818 INFO L78 Accepts]: Start accepts. Automaton has 5921 states and 8497 transitions. Word has length 163 [2024-11-06 02:58:31,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:58:31,820 INFO L471 AbstractCegarLoop]: Abstraction has 5921 states and 8497 transitions. [2024-11-06 02:58:31,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 02:58:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 5921 states and 8497 transitions. [2024-11-06 02:58:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-06 02:58:31,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:58:31,835 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] [2024-11-06 02:58:31,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-06 02:58:32,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:32,037 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:58:32,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:58:32,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1582757781, now seen corresponding path program 1 times [2024-11-06 02:58:32,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:58:32,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646017646] [2024-11-06 02:58:32,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:58:32,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:32,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:58:32,041 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:58:32,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-06 02:58:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:58:32,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:58:32,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:58:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-06 02:58:33,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:58:33,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:58:33,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646017646] [2024-11-06 02:58:33,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646017646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:58:33,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:58:33,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 02:58:33,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577556929] [2024-11-06 02:58:33,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:58:33,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:58:33,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:58:33,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:58:33,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:33,052 INFO L87 Difference]: Start difference. First operand 5921 states and 8497 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 02:58:33,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:58:33,419 INFO L93 Difference]: Finished difference Result 14536 states and 20638 transitions. [2024-11-06 02:58:33,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:58:33,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 174 [2024-11-06 02:58:33,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:58:33,466 INFO L225 Difference]: With dead ends: 14536 [2024-11-06 02:58:33,466 INFO L226 Difference]: Without dead ends: 8639 [2024-11-06 02:58:33,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:33,486 INFO L432 NwaCegarLoop]: 1536 mSDtfsCounter, 674 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2520 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 [2024-11-06 02:58:33,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2520 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 02:58:33,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8639 states. [2024-11-06 02:58:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8639 to 8607. [2024-11-06 02:58:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8607 states, 6890 states have (on average 1.4066763425253992) internal successors, (9692), 6984 states have internal predecessors, (9692), 1175 states have call successors, (1175), 542 states have call predecessors, (1175), 541 states have return successors, (1264), 1168 states have call predecessors, (1264), 1174 states have call successors, (1264) [2024-11-06 02:58:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8607 states to 8607 states and 12131 transitions. [2024-11-06 02:58:33,888 INFO L78 Accepts]: Start accepts. Automaton has 8607 states and 12131 transitions. Word has length 174 [2024-11-06 02:58:33,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:58:33,889 INFO L471 AbstractCegarLoop]: Abstraction has 8607 states and 12131 transitions. [2024-11-06 02:58:33,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 02:58:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 8607 states and 12131 transitions. [2024-11-06 02:58:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-06 02:58:33,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:58:33,900 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] [2024-11-06 02:58:33,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-06 02:58:34,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:34,102 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:58:34,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:58:34,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1241150221, now seen corresponding path program 1 times [2024-11-06 02:58:34,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:58:34,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347813797] [2024-11-06 02:58:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:58:34,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:34,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:58:34,104 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:58:34,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-06 02:58:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:58:34,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:58:34,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:58:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-06 02:58:34,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:58:34,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:58:34,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347813797] [2024-11-06 02:58:34,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347813797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:58:34,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:58:34,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 02:58:34,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973571572] [2024-11-06 02:58:34,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:58:34,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:58:34,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:58:34,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:58:34,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:34,915 INFO L87 Difference]: Start difference. First operand 8607 states and 12131 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-06 02:58:35,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:58:35,232 INFO L93 Difference]: Finished difference Result 12943 states and 18386 transitions. [2024-11-06 02:58:35,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:58:35,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2024-11-06 02:58:35,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:58:35,298 INFO L225 Difference]: With dead ends: 12943 [2024-11-06 02:58:35,298 INFO L226 Difference]: Without dead ends: 8627 [2024-11-06 02:58:35,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:58:35,317 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 [2024-11-06 02:58:35,317 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] [2024-11-06 02:58:35,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8627 states. [2024-11-06 02:58:35,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8627 to 8627. [2024-11-06 02:58:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8627 states, 6910 states have (on average 1.4054992764109986) internal successors, (9712), 7004 states have internal predecessors, (9712), 1175 states have call successors, (1175), 542 states have call predecessors, (1175), 541 states have return successors, (1264), 1168 states have call predecessors, (1264), 1174 states have call successors, (1264) [2024-11-06 02:58:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8627 states to 8627 states and 12151 transitions. [2024-11-06 02:58:35,672 INFO L78 Accepts]: Start accepts. Automaton has 8627 states and 12151 transitions. Word has length 168 [2024-11-06 02:58:35,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:58:35,674 INFO L471 AbstractCegarLoop]: Abstraction has 8627 states and 12151 transitions. [2024-11-06 02:58:35,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-06 02:58:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8627 states and 12151 transitions. [2024-11-06 02:58:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-06 02:58:35,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:58:35,686 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] [2024-11-06 02:58:35,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-06 02:58:35,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:35,887 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:58:35,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:58:35,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1821562674, now seen corresponding path program 1 times [2024-11-06 02:58:35,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:58:35,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571499268] [2024-11-06 02:58:35,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:58:35,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:58:35,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:58:35,890 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:58:35,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-06 02:58:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:58:36,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-06 02:58:36,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:58:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 89 proven. 5 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-06 02:58:39,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 02:58:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-06 02:58:48,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:58:48,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571499268] [2024-11-06 02:58:48,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571499268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 02:58:48,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 02:58:48,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-06 02:58:48,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807296580] [2024-11-06 02:58:48,106 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 02:58:48,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 02:58:48,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:58:48,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 02:58:48,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-06 02:58:48,107 INFO L87 Difference]: Start difference. First operand 8627 states and 12151 transitions. Second operand has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 9 states have internal predecessors, (146), 7 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-06 02:58:52,130 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 [] [2024-11-06 02:58:56,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 02:59:00,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []