/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 19:17:49,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 19:17:49,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 19:17:49,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 19:17:49,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 19:17:49,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 19:17:49,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 19:17:49,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 19:17:49,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 19:17:49,273 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 19:17:49,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 19:17:49,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 19:17:49,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 19:17:49,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 19:17:49,275 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 19:17:49,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 19:17:49,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 19:17:49,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 19:17:49,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 19:17:49,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 19:17:49,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 19:17:49,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 19:17:49,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 19:17:49,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 19:17:49,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 19:17:49,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 19:17:49,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 19:17:49,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 19:17:49,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 19:17:49,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 19:17:49,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 19:17:49,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:17:49,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 19:17:49,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 19:17:49,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 19:17:49,282 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 19:17:49,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 19:17:49,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 19:17:49,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 19:17:49,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 19:17:49,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 19:17:49,286 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 19:17:49,286 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 19:17:49,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 19:17:49,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 19:17:49,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 19:17:49,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 19:17:49,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 19:17:49,754 INFO L431 ainManager$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 [2024-11-01 19:17:51,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 19:17:52,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 19:17:52,156 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 [2024-11-01 19:17:52,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b790b99d7/969542cc9a564521ba6dd0f23c8dc4a6/FLAG59ef707df [2024-11-01 19:17:52,247 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b790b99d7/969542cc9a564521ba6dd0f23c8dc4a6 [2024-11-01 19:17:52,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 19:17:52,252 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 19:17:52,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 19:17:52,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 19:17:52,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 19:17:52,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:17:52" (1/1) ... [2024-11-01 19:17:52,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6590d7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:52, skipping insertion in model container [2024-11-01 19:17:52,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:17:52" (1/1) ... [2024-11-01 19:17:52,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 19:17:53,751 WARN L251 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] [2024-11-01 19:17:53,989 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,000 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,067 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,096 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,102 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,104 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,104 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,115 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,117 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,205 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,207 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,215 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,219 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,219 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,221 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,221 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,221 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,222 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,239 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,263 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,322 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,322 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,337 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,341 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,342 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,370 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,371 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,381 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,381 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,382 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,382 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,382 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,383 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,383 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,383 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,384 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,384 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,488 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,545 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:17:54,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:17:54,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 19:17:54,856 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] [2024-11-01 19:17:54,862 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] [2024-11-01 19:17:54,863 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] [2024-11-01 19:17:54,868 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] [2024-11-01 19:17:54,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5320] [2024-11-01 19:17:54,875 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] [2024-11-01 19:17:54,876 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] [2024-11-01 19:17:54,896 WARN L251 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] [2024-11-01 19:17:54,914 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] [2024-11-01 19:17:54,914 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] [2024-11-01 19:17:54,915 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] [2024-11-01 19:17:54,915 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] [2024-11-01 19:17:54,915 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] [2024-11-01 19:17:54,916 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] [2024-11-01 19:17:54,917 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] [2024-11-01 19:17:54,917 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] [2024-11-01 19:17:54,917 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] [2024-11-01 19:17:54,918 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] [2024-11-01 19:17:54,918 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] [2024-11-01 19:17:54,919 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] [2024-11-01 19:17:54,919 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] [2024-11-01 19:17:54,919 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] [2024-11-01 19:17:54,919 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] [2024-11-01 19:17:54,963 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] [2024-11-01 19:17:54,966 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] [2024-11-01 19:17:54,966 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] [2024-11-01 19:17:54,966 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] [2024-11-01 19:17:54,966 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] [2024-11-01 19:17:54,967 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] [2024-11-01 19:17:54,969 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] [2024-11-01 19:17:54,970 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] [2024-11-01 19:17:54,970 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] [2024-11-01 19:17:54,970 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] [2024-11-01 19:17:54,970 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] [2024-11-01 19:17:54,971 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] [2024-11-01 19:17:54,971 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] [2024-11-01 19:17:54,972 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] [2024-11-01 19:17:54,972 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] [2024-11-01 19:17:54,972 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] [2024-11-01 19:17:54,972 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] [2024-11-01 19:17:54,973 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] [2024-11-01 19:17:54,976 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] [2024-11-01 19:17:54,977 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] [2024-11-01 19:17:54,977 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] [2024-11-01 19:17:54,979 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] [2024-11-01 19:17:54,979 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] [2024-11-01 19:17:54,980 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] [2024-11-01 19:17:55,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:17:55,192 INFO L204 MainTranslator]: Completed translation [2024-11-01 19:17:55,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55 WrapperNode [2024-11-01 19:17:55,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 19:17:55,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 19:17:55,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 19:17:55,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 19:17:55,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,439 INFO L138 Inliner]: procedures = 192, calls = 596, calls flagged for inlining = 99, calls inlined = 93, statements flattened = 2396 [2024-11-01 19:17:55,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 19:17:55,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 19:17:55,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 19:17:55,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 19:17:55,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,837 INFO L175 MemorySlicer]: Split 317 memory accesses to 7 slices as follows [2, 13, 229, 1, 28, 20, 24]. 72 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 6, 0, 0, 15, 0]. The 152 writes are split as follows [0, 13, 100, 0, 13, 2, 24]. [2024-11-01 19:17:55,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:55,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:56,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:56,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 19:17:56,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 19:17:56,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 19:17:56,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 19:17:56,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (1/1) ... [2024-11-01 19:17:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:17:56,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 19:17:56,095 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) [2024-11-01 19:17:56,100 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 [2024-11-01 19:17:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-01 19:17:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-01 19:17:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 19:17:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 19:17:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 19:17:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 19:17:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 19:17:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 19:17:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2024-11-01 19:17:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2024-11-01 19:17:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-01 19:17:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-01 19:17:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 19:17:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 19:17:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 19:17:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 19:17:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 19:17:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 19:17:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 19:17:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 19:17:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 19:17:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 19:17:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 19:17:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2024-11-01 19:17:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2024-11-01 19:17:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2024-11-01 19:17:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2024-11-01 19:17:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-01 19:17:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-01 19:17:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-01 19:17:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-01 19:17:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-01 19:17:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-01 19:17:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-01 19:17:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-01 19:17:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-01 19:17:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-01 19:17:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-01 19:17:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-01 19:17:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-01 19:17:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-01 19:17:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-01 19:17:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-01 19:17:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-01 19:17:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-01 19:17:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 19:17:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 19:17:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2024-11-01 19:17:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2024-11-01 19:17:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-01 19:17:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-01 19:17:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-01 19:17:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-01 19:17:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2024-11-01 19:17:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2024-11-01 19:17:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-01 19:17:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-01 19:17:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 19:17:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 19:17:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 19:17:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 19:17:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 19:17:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 19:17:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 19:17:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 19:17:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 19:17:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 19:17:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 19:17:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 19:17:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 19:17:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-01 19:17:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-01 19:17:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 19:17:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 19:17:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2024-11-01 19:17:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2024-11-01 19:17:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 19:17:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2024-11-01 19:17:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-01 19:17:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-01 19:17:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 19:17:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 19:17:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 19:17:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-01 19:17:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2024-11-01 19:17:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-01 19:17:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 19:17:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 19:17:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-01 19:17:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-01 19:17:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-01 19:17:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-01 19:17:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 19:17:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 19:17:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 19:17:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 19:17:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 19:17:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-01 19:17:56,150 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 19:17:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-01 19:17:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-01 19:17:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2024-11-01 19:17:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-01 19:17:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-01 19:17:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 19:17:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 19:17:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-01 19:17:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-01 19:17:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 19:17:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 19:17:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2024-11-01 19:17:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2024-11-01 19:17:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-01 19:17:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-01 19:17:56,704 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 19:17:56,708 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 19:17:57,555 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 19:18:14,726 INFO L? ?]: Removed 1212 outVars from TransFormulas that were not future-live. [2024-11-01 19:18:14,726 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 19:18:14,769 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 19:18:14,769 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-01 19:18:14,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:18:14 BoogieIcfgContainer [2024-11-01 19:18:14,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 19:18:14,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 19:18:14,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 19:18:14,780 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 19:18:14,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 07:17:52" (1/3) ... [2024-11-01 19:18:14,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79753bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:18:14, skipping insertion in model container [2024-11-01 19:18:14,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:17:55" (2/3) ... [2024-11-01 19:18:14,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79753bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:18:14, skipping insertion in model container [2024-11-01 19:18:14,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:18:14" (3/3) ... [2024-11-01 19:18:14,785 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 [2024-11-01 19:18:14,801 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 19:18:14,802 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 19:18:14,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 19:18:14,907 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;@60ef784e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 19:18:14,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 19:18:14,917 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) [2024-11-01 19:18:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-01 19:18:14,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:14,934 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] [2024-11-01 19:18:14,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:14,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:14,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1729511612, now seen corresponding path program 1 times [2024-11-01 19:18:14,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:14,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551140078] [2024-11-01 19:18:14,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:14,953 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:14,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:14,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:18:14,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 19:18:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:15,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:18:15,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 19:18:15,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 19:18:16,955 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:16,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551140078] [2024-11-01 19:18:16,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [551140078] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:16,956 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:16,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 19:18:16,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293559622] [2024-11-01 19:18:16,958 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:16,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:18:16,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:16,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:18:16,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:18:16,986 INFO L87 Difference]: Start difference. First operand has 728 states, 570 states have (on average 1.431578947368421) internal successors, (816), 584 states have internal predecessors, (816), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-01 19:18:21,058 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 [] [2024-11-01 19:18:25,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:25,913 INFO L93 Difference]: Finished difference Result 2798 states and 4126 transitions. [2024-11-01 19:18:25,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:18:25,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78 [2024-11-01 19:18:25,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:25,942 INFO L225 Difference]: With dead ends: 2798 [2024-11-01 19:18:25,943 INFO L226 Difference]: Without dead ends: 2054 [2024-11-01 19:18:25,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:18:25,955 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 2732 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 213 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:25,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 2807 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 242 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2024-11-01 19:18:25,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2024-11-01 19:18:26,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2054. [2024-11-01 19:18:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 1630 states have (on average 1.4220858895705522) internal successors, (2318), 1654 states have internal predecessors, (2318), 315 states have call successors, (315), 109 states have call predecessors, (315), 108 states have return successors, (314), 314 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-01 19:18:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2947 transitions. [2024-11-01 19:18:26,171 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2947 transitions. Word has length 78 [2024-11-01 19:18:26,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:26,173 INFO L471 AbstractCegarLoop]: Abstraction has 2054 states and 2947 transitions. [2024-11-01 19:18:26,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-01 19:18:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2947 transitions. [2024-11-01 19:18:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-01 19:18:26,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:26,182 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] [2024-11-01 19:18:26,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-01 19:18:26,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:26,384 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:26,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1338649670, now seen corresponding path program 1 times [2024-11-01 19:18:26,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:26,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420806194] [2024-11-01 19:18:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:26,386 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:26,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:26,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:18:26,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-01 19:18:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:26,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 19:18:26,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 19:18:27,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 19:18:28,141 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:28,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420806194] [2024-11-01 19:18:28,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [420806194] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:28,141 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:28,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-01 19:18:28,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316192668] [2024-11-01 19:18:28,142 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:28,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-01 19:18:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:28,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-01 19:18:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-01 19:18:28,144 INFO L87 Difference]: Start difference. First operand 2054 states and 2947 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-01 19:18:28,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:28,840 INFO L93 Difference]: Finished difference Result 4093 states and 5869 transitions. [2024-11-01 19:18:28,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 19:18:28,841 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 [2024-11-01 19:18:28,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:28,857 INFO L225 Difference]: With dead ends: 4093 [2024-11-01 19:18:28,857 INFO L226 Difference]: Without dead ends: 2063 [2024-11-01 19:18:28,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-01 19:18:28,866 INFO L432 NwaCegarLoop]: 1029 mSDtfsCounter, 1023 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:28,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 3087 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-01 19:18:28,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2024-11-01 19:18:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 2057. [2024-11-01 19:18:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2057 states, 1633 states have (on average 1.4206981016533986) internal successors, (2320), 1657 states have internal predecessors, (2320), 315 states have call successors, (315), 109 states have call predecessors, (315), 108 states have return successors, (314), 314 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-01 19:18:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2949 transitions. [2024-11-01 19:18:28,975 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 2949 transitions. Word has length 82 [2024-11-01 19:18:28,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:28,976 INFO L471 AbstractCegarLoop]: Abstraction has 2057 states and 2949 transitions. [2024-11-01 19:18:28,976 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) [2024-11-01 19:18:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2949 transitions. [2024-11-01 19:18:28,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-01 19:18:28,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:28,980 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] [2024-11-01 19:18:28,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-01 19:18:29,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:29,181 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:29,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:29,182 INFO L85 PathProgramCache]: Analyzing trace with hash 240332671, now seen corresponding path program 1 times [2024-11-01 19:18:29,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:29,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927471226] [2024-11-01 19:18:29,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:29,182 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:29,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:29,192 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:18:29,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-01 19:18:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:29,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 19:18:29,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 19:18:30,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 19:18:32,479 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:32,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927471226] [2024-11-01 19:18:32,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1927471226] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:32,479 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:32,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-01 19:18:32,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294989612] [2024-11-01 19:18:32,479 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:32,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 19:18:32,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:32,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 19:18:32,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-01 19:18:32,481 INFO L87 Difference]: Start difference. First operand 2057 states and 2949 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 19:18:34,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:34,057 INFO L93 Difference]: Finished difference Result 6120 states and 8825 transitions. [2024-11-01 19:18:34,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 19:18:34,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87 [2024-11-01 19:18:34,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:34,091 INFO L225 Difference]: With dead ends: 6120 [2024-11-01 19:18:34,091 INFO L226 Difference]: Without dead ends: 4079 [2024-11-01 19:18:34,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-01 19:18:34,105 INFO L432 NwaCegarLoop]: 1039 mSDtfsCounter, 999 mSDsluCounter, 5141 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:34,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 6180 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-01 19:18:34,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2024-11-01 19:18:34,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 4067. [2024-11-01 19:18:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4067 states, 3232 states have (on average 1.422339108910891) internal successors, (4597), 3280 states have internal predecessors, (4597), 618 states have call successors, (618), 217 states have call predecessors, (618), 216 states have return successors, (662), 617 states have call predecessors, (662), 617 states have call successors, (662) [2024-11-01 19:18:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 5877 transitions. [2024-11-01 19:18:34,392 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 5877 transitions. Word has length 87 [2024-11-01 19:18:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:34,393 INFO L471 AbstractCegarLoop]: Abstraction has 4067 states and 5877 transitions. [2024-11-01 19:18:34,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 19:18:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 5877 transitions. [2024-11-01 19:18:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-01 19:18:34,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:34,402 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] [2024-11-01 19:18:34,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-01 19:18:34,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:34,607 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:34,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:34,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2054337854, now seen corresponding path program 1 times [2024-11-01 19:18:34,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:34,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867452024] [2024-11-01 19:18:34,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:34,608 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:34,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:34,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:18:34,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-01 19:18:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:35,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:18:35,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-01 19:18:35,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-01 19:18:36,829 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:36,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867452024] [2024-11-01 19:18:36,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [867452024] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:36,829 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:36,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:18:36,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225813117] [2024-11-01 19:18:36,830 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:36,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:18:36,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:36,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:18:36,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:36,831 INFO L87 Difference]: Start difference. First operand 4067 states and 5877 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-01 19:18:37,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:37,683 INFO L93 Difference]: Finished difference Result 10069 states and 14559 transitions. [2024-11-01 19:18:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:18:37,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 145 [2024-11-01 19:18:37,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:37,725 INFO L225 Difference]: With dead ends: 10069 [2024-11-01 19:18:37,725 INFO L226 Difference]: Without dead ends: 6026 [2024-11-01 19:18:37,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:37,742 INFO L432 NwaCegarLoop]: 1061 mSDtfsCounter, 529 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:37,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 2015 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 19:18:37,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6026 states. [2024-11-01 19:18:37,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6026 to 6014. [2024-11-01 19:18:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6014 states, 4790 states have (on average 1.4296450939457201) internal successors, (6848), 4853 states have internal predecessors, (6848), 896 states have call successors, (896), 328 states have call predecessors, (896), 327 states have return successors, (955), 892 states have call predecessors, (955), 895 states have call successors, (955) [2024-11-01 19:18:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6014 states to 6014 states and 8699 transitions. [2024-11-01 19:18:38,077 INFO L78 Accepts]: Start accepts. Automaton has 6014 states and 8699 transitions. Word has length 145 [2024-11-01 19:18:38,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:38,078 INFO L471 AbstractCegarLoop]: Abstraction has 6014 states and 8699 transitions. [2024-11-01 19:18:38,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-01 19:18:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 6014 states and 8699 transitions. [2024-11-01 19:18:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-01 19:18:38,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:38,092 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] [2024-11-01 19:18:38,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-01 19:18:38,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:38,296 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:38,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:38,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1362490919, now seen corresponding path program 1 times [2024-11-01 19:18:38,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:38,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921116316] [2024-11-01 19:18:38,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:38,297 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:38,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:38,299 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:18:38,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-01 19:18:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:38,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:18:38,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-01 19:18:39,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-01 19:18:41,200 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921116316] [2024-11-01 19:18:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1921116316] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:41,200 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:41,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 19:18:41,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89853657] [2024-11-01 19:18:41,200 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:41,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:18:41,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:41,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:18:41,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:18:41,203 INFO L87 Difference]: Start difference. First operand 6014 states and 8699 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-01 19:18:45,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:18:48,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:48,633 INFO L93 Difference]: Finished difference Result 16889 states and 24497 transitions. [2024-11-01 19:18:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:18:48,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 163 [2024-11-01 19:18:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:48,708 INFO L225 Difference]: With dead ends: 16889 [2024-11-01 19:18:48,708 INFO L226 Difference]: Without dead ends: 10910 [2024-11-01 19:18:48,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:18:48,736 INFO L432 NwaCegarLoop]: 1497 mSDtfsCounter, 1274 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:48,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 3242 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 202 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-01 19:18:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10910 states. [2024-11-01 19:18:49,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10910 to 10844. [2024-11-01 19:18:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10844 states, 8688 states have (on average 1.4337016574585635) internal successors, (12456), 8789 states have internal predecessors, (12456), 1546 states have call successors, (1546), 610 states have call predecessors, (1546), 609 states have return successors, (1647), 1540 states have call predecessors, (1647), 1545 states have call successors, (1647) [2024-11-01 19:18:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10844 states to 10844 states and 15649 transitions. [2024-11-01 19:18:49,367 INFO L78 Accepts]: Start accepts. Automaton has 10844 states and 15649 transitions. Word has length 163 [2024-11-01 19:18:49,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:49,368 INFO L471 AbstractCegarLoop]: Abstraction has 10844 states and 15649 transitions. [2024-11-01 19:18:49,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-01 19:18:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 10844 states and 15649 transitions. [2024-11-01 19:18:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-01 19:18:49,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:49,386 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] [2024-11-01 19:18:49,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-01 19:18:49,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:49,587 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:49,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1582757781, now seen corresponding path program 1 times [2024-11-01 19:18:49,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:49,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458307753] [2024-11-01 19:18:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:49,588 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:49,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:49,591 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:18:49,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-01 19:18:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:50,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:18:50,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-01 19:18:50,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-01 19:18:52,195 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:52,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458307753] [2024-11-01 19:18:52,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1458307753] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:52,195 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:52,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:18:52,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70426285] [2024-11-01 19:18:52,196 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:52,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:18:52,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:52,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:18:52,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:52,198 INFO L87 Difference]: Start difference. First operand 10844 states and 15649 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-01 19:18:52,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:52,984 INFO L93 Difference]: Finished difference Result 25916 states and 37085 transitions. [2024-11-01 19:18:52,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:18:52,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 174 [2024-11-01 19:18:52,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:53,101 INFO L225 Difference]: With dead ends: 25916 [2024-11-01 19:18:53,101 INFO L226 Difference]: Without dead ends: 15107 [2024-11-01 19:18:53,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:53,147 INFO L432 NwaCegarLoop]: 1561 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, 2545 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:53,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2545 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 19:18:53,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15107 states. [2024-11-01 19:18:53,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15107 to 15060. [2024-11-01 19:18:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15060 states, 12133 states have (on average 1.419269760158246) internal successors, (17220), 12283 states have internal predecessors, (17220), 2017 states have call successors, (2017), 910 states have call predecessors, (2017), 909 states have return successors, (2166), 2010 states have call predecessors, (2166), 2016 states have call successors, (2166) [2024-11-01 19:18:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15060 states to 15060 states and 21403 transitions. [2024-11-01 19:18:53,931 INFO L78 Accepts]: Start accepts. Automaton has 15060 states and 21403 transitions. Word has length 174 [2024-11-01 19:18:53,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:53,932 INFO L471 AbstractCegarLoop]: Abstraction has 15060 states and 21403 transitions. [2024-11-01 19:18:53,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-01 19:18:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 15060 states and 21403 transitions. [2024-11-01 19:18:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-01 19:18:53,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:53,965 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] [2024-11-01 19:18:53,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Forceful destruction successful, exit code 0 [2024-11-01 19:18:54,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:54,167 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:54,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:54,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1241150221, now seen corresponding path program 1 times [2024-11-01 19:18:54,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:54,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904889824] [2024-11-01 19:18:54,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:54,168 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:54,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:54,169 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:18:54,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-01 19:18:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:54,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:18:54,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-01 19:18:54,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-01 19:18:56,339 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:56,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904889824] [2024-11-01 19:18:56,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [904889824] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:56,339 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:56,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:18:56,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627111275] [2024-11-01 19:18:56,339 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:56,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:18:56,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:56,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:18:56,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:56,340 INFO L87 Difference]: Start difference. First operand 15060 states and 21403 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-01 19:18:56,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:56,787 INFO L93 Difference]: Finished difference Result 22662 states and 32446 transitions. [2024-11-01 19:18:56,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:18:56,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-01 19:18:56,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:56,865 INFO L225 Difference]: With dead ends: 22662 [2024-11-01 19:18:56,865 INFO L226 Difference]: Without dead ends: 15096 [2024-11-01 19:18:56,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:56,903 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 [2024-11-01 19:18:56,904 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] [2024-11-01 19:18:56,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15096 states. [2024-11-01 19:18:57,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15096 to 15096. [2024-11-01 19:18:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15096 states, 12169 states have (on average 1.4180294190155314) internal successors, (17256), 12319 states have internal predecessors, (17256), 2017 states have call successors, (2017), 910 states have call predecessors, (2017), 909 states have return successors, (2166), 2010 states have call predecessors, (2166), 2016 states have call successors, (2166) [2024-11-01 19:18:57,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15096 states to 15096 states and 21439 transitions. [2024-11-01 19:18:57,727 INFO L78 Accepts]: Start accepts. Automaton has 15096 states and 21439 transitions. Word has length 168 [2024-11-01 19:18:57,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:57,728 INFO L471 AbstractCegarLoop]: Abstraction has 15096 states and 21439 transitions. [2024-11-01 19:18:57,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-01 19:18:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 15096 states and 21439 transitions. [2024-11-01 19:18:57,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-01 19:18:57,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:57,752 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] [2024-11-01 19:18:57,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-01 19:18:57,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:57,953 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:57,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:57,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1821562674, now seen corresponding path program 1 times [2024-11-01 19:18:57,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:57,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813487146] [2024-11-01 19:18:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:57,954 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:57,956 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:18:57,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-01 19:18:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:58,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-01 19:18:58,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:19:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-01 19:19:01,971 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:19:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-01 19:19:11,112 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:19:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813487146] [2024-11-01 19:19:11,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [813487146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 19:19:11,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 19:19:11,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2024-11-01 19:19:11,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992738811] [2024-11-01 19:19:11,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 19:19:11,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-01 19:19:11,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:19:11,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-01 19:19:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-01 19:19:11,114 INFO L87 Difference]: Start difference. First operand 15096 states and 21439 transitions. Second operand has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 8 states have call successors, (29), 6 states have call predecessors, (29), 7 states have return successors, (30), 8 states have call predecessors, (30), 7 states have call successors, (30)