/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -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_synctty.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 15:09:01,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 15:09:01,275 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 15:09:01,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 15:09:01,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 15:09:01,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 15:09:01,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 15:09:01,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 15:09:01,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 15:09:01,324 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 15:09:01,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 15:09:01,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 15:09:01,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 15:09:01,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 15:09:01,326 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 15:09:01,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 15:09:01,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 15:09:01,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 15:09:01,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 15:09:01,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 15:09:01,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 15:09:01,334 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 15:09:01,335 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 15:09:01,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 15:09:01,335 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 15:09:01,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 15:09:01,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 15:09:01,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 15:09:01,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 15:09:01,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 15:09:01,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 15:09:01,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:09:01,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 15:09:01,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 15:09:01,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 15:09:01,339 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 15:09:01,340 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 15:09:01,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 15:09:01,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 15:09:01,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 15:09:01,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 15:09:01,341 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 15:09:01,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:01,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 15:09:01,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 15:09:01,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 15:09:01,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 15:09:01,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 15:09:01,693 INFO L431 ainManager$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_synctty.ko-entry_point.cil.out.i [2024-11-01 15:09:03,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 15:09:03,748 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 15:09:03,749 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_synctty.ko-entry_point.cil.out.i [2024-11-01 15:09:03,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f39476ec/93cf4db40e964f6baec0adc2d201a576/FLAG64a84ba7f [2024-11-01 15:09:03,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f39476ec/93cf4db40e964f6baec0adc2d201a576 [2024-11-01 15:09:03,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 15:09:03,801 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 15:09:03,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 15:09:03,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 15:09:03,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 15:09:03,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:09:03" (1/1) ... [2024-11-01 15:09:03,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251f8ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:03, skipping insertion in model container [2024-11-01 15:09:03,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:09:03" (1/1) ... [2024-11-01 15:09:03,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 15:09:04,780 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 15:09:04,809 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_synctty.ko-entry_point.cil.out.i[163507,163520] [2024-11-01 15:09:04,860 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 15:09:04,884 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 15:09:04,897 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 15:09:04,913 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 15:09:04,919 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 15:09:04,920 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 15:09:04,920 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 15:09:04,930 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 15:09:04,932 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 15:09:05,001 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 15:09:05,001 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 15:09:05,008 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 15:09:05,008 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 15:09:05,008 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 15:09:05,011 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 15:09:05,012 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 15:09:05,012 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 15:09:05,012 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 15:09:05,021 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 15:09:05,025 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 15:09:05,029 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 15:09:05,044 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 15:09:05,044 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 15:09:05,063 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 15:09:05,064 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 15:09:05,068 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 15:09:05,069 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 15:09:05,070 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 15:09:05,070 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 15:09:05,070 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 15:09:05,071 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 15:09:05,071 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 15:09:05,071 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 15:09:05,072 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 15:09:05,072 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 15:09:05,164 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 15:09:05,209 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 15:09:05,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:09:05,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 15:09:05,449 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"); [5277] [2024-11-01 15:09:05,452 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)); [5284] [2024-11-01 15:09:05,452 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"); [5292-5293] [2024-11-01 15:09:05,453 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"); [5301-5302] [2024-11-01 15:09:05,457 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)); [5349] [2024-11-01 15:09:05,458 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"); [5357-5358] [2024-11-01 15:09:05,476 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_synctty.ko-entry_point.cil.out.i[163507,163520] [2024-11-01 15:09:05,502 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"); [5939] [2024-11-01 15:09:05,502 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"); [5942] [2024-11-01 15:09:05,502 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"); [5945] [2024-11-01 15:09:05,502 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"); [5948] [2024-11-01 15:09:05,503 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"); [5951] [2024-11-01 15:09:05,503 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"); [5967-5968] [2024-11-01 15:09:05,503 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"); [5971-5972] [2024-11-01 15:09:05,504 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"); [5975-5976] [2024-11-01 15:09:05,504 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"); [5979-5980] [2024-11-01 15:09:05,504 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"); [5983-5984] [2024-11-01 15:09:05,505 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"); [6007-6008] [2024-11-01 15:09:05,505 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"); [6011-6012] [2024-11-01 15:09:05,507 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"); [6015-6016] [2024-11-01 15:09:05,507 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"); [6019-6020] [2024-11-01 15:09:05,508 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"); [6023-6024] [2024-11-01 15:09:05,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6152] [2024-11-01 15:09:05,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6155] [2024-11-01 15:09:05,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6158] [2024-11-01 15:09:05,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6161] [2024-11-01 15:09:05,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6164] [2024-11-01 15:09:05,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)argp), "i" (4UL)); [6176-6177] [2024-11-01 15:09:05,520 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"); [6194-6195] [2024-11-01 15:09:05,520 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"); [6198-6199] [2024-11-01 15:09:05,521 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"); [6202-6203] [2024-11-01 15:09:05,521 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"); [6206-6207] [2024-11-01 15:09:05,521 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"); [6210-6211] [2024-11-01 15:09:05,521 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" (p), "i" (4UL)); [6223-6224] [2024-11-01 15:09:05,522 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"); [6237-6238] [2024-11-01 15:09:05,525 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"); [6241-6242] [2024-11-01 15:09:05,525 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"); [6245-6246] [2024-11-01 15:09:05,525 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"); [6249-6250] [2024-11-01 15:09:05,525 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"); [6253-6254] [2024-11-01 15:09:05,526 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" (p), "i" (4UL)); [6266-6267] [2024-11-01 15:09:05,527 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" ((int *)argp): "ebx"); [6304-6305] [2024-11-01 15:09:05,528 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" ((int *)argp): "ebx"); [6308-6309] [2024-11-01 15:09:05,528 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" ((int *)argp): "ebx"); [6312-6313] [2024-11-01 15:09:05,529 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" ((int *)argp): "ebx"); [6316-6317] [2024-11-01 15:09:05,529 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" ((int *)argp): "ebx"); [6320-6321] [2024-11-01 15:09:05,531 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" ((int *)argp), "i" (4UL)); [6333-6334] [2024-11-01 15:09:05,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:09:05,661 INFO L204 MainTranslator]: Completed translation [2024-11-01 15:09:05,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05 WrapperNode [2024-11-01 15:09:05,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 15:09:05,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 15:09:05,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 15:09:05,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 15:09:05,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:05,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:05,866 INFO L138 Inliner]: procedures = 188, calls = 475, calls flagged for inlining = 92, calls inlined = 85, statements flattened = 1836 [2024-11-01 15:09:05,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 15:09:05,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 15:09:05,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 15:09:05,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 15:09:05,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:05,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:05,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:06,085 INFO L175 MemorySlicer]: Split 190 memory accesses to 9 slices as follows [2, 1, 24, 7, 2, 20, 1, 120, 13]. 63 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 1, 0, 0, 2, 15, 1, 10, 0]. The 86 writes are split as follows [0, 0, 24, 6, 0, 2, 0, 41, 13]. [2024-11-01 15:09:06,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:06,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:06,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:06,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:06,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:06,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:06,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 15:09:06,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 15:09:06,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 15:09:06,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 15:09:06,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (1/1) ... [2024-11-01 15:09:06,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:09:06,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 15:09:06,327 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 15:09:06,329 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 15:09:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-01 15:09:06,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-01 15:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2024-11-01 15:09:06,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2024-11-01 15:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2024-11-01 15:09:06,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2024-11-01 15:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 15:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 15:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 15:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 15:09:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 15:09:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-01 15:09:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 15:09:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 15:09:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 15:09:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 15:09:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 15:09:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-01 15:09:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-01 15:09:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-01 15:09:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-01 15:09:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-01 15:09:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-01 15:09:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 15:09:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 15:09:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2024-11-01 15:09:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2024-11-01 15:09:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-01 15:09:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-01 15:09:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-01 15:09:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-01 15:09:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-01 15:09:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-01 15:09:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2024-11-01 15:09:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2024-11-01 15:09:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 15:09:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 15:09:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 15:09:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 15:09:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-01 15:09:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-01 15:09:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2024-11-01 15:09:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2024-11-01 15:09:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 15:09:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 15:09:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 15:09:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 15:09:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 15:09:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 15:09:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 15:09:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-01 15:09:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 15:09:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 15:09:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 15:09:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-01 15:09:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-01 15:09:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 15:09:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 15:09:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-01 15:09:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-01 15:09:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2024-11-01 15:09:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2024-11-01 15:09:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 15:09:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 15:09:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 15:09:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-01 15:09:06,364 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-01 15:09:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-01 15:09:06,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-01 15:09:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 15:09:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 15:09:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 15:09:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 15:09:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-01 15:09:06,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-01 15:09:06,369 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-01 15:09:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-01 15:09:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-01 15:09:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-01 15:09:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 15:09:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 15:09:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-01 15:09:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-01 15:09:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2024-11-01 15:09:06,371 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 15:09:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 15:09:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 15:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 15:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 15:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-01 15:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 15:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 15:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 15:09:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 15:09:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-01 15:09:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2024-11-01 15:09:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2024-11-01 15:09:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-01 15:09:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 15:09:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 15:09:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-01 15:09:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2024-11-01 15:09:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-01 15:09:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 15:09:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 15:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-01 15:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-01 15:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-01 15:09:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-01 15:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 15:09:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 15:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-01 15:09:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-01 15:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 15:09:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 15:09:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2024-11-01 15:09:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2024-11-01 15:09:06,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 15:09:06,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 15:09:06,930 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 15:09:17,613 INFO L? ?]: Removed 1096 outVars from TransFormulas that were not future-live. [2024-11-01 15:09:17,613 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 15:09:17,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 15:09:17,656 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-01 15:09:17,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:09:17 BoogieIcfgContainer [2024-11-01 15:09:17,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 15:09:17,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 15:09:17,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 15:09:17,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 15:09:17,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:09:03" (1/3) ... [2024-11-01 15:09:17,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432a7a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:09:17, skipping insertion in model container [2024-11-01 15:09:17,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:09:05" (2/3) ... [2024-11-01 15:09:17,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432a7a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:09:17, skipping insertion in model container [2024-11-01 15:09:17,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:09:17" (3/3) ... [2024-11-01 15:09:17,665 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2024-11-01 15:09:17,684 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 15:09:17,684 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 15:09:17,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 15:09:17,790 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;@76289150, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 15:09:17,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 15:09:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 657 states, 491 states have (on average 1.384928716904277) internal successors, (680), 506 states have internal predecessors, (680), 124 states have call successors, (124), 41 states have call predecessors, (124), 40 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-01 15:09:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-01 15:09:17,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:17,814 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 15:09:17,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:17,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1433642524, now seen corresponding path program 1 times [2024-11-01 15:09:17,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:17,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633055883] [2024-11-01 15:09:17,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:17,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:17,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:17,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:09:17,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-01 15:09:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:18,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:09:18,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:18,921 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 15:09:18,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:19,450 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 15:09:19,451 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:19,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633055883] [2024-11-01 15:09:19,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1633055883] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:19,452 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:19,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 15:09:19,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375417949] [2024-11-01 15:09:19,455 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:19,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:09:19,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:19,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:09:19,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:09:19,484 INFO L87 Difference]: Start difference. First operand has 657 states, 491 states have (on average 1.384928716904277) internal successors, (680), 506 states have internal predecessors, (680), 124 states have call successors, (124), 41 states have call predecessors, (124), 40 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) 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 15:09:23,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 15:09:27,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:27,698 INFO L93 Difference]: Finished difference Result 2514 states and 3646 transitions. [2024-11-01 15:09:27,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:09:27,700 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 15:09:27,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:27,722 INFO L225 Difference]: With dead ends: 2514 [2024-11-01 15:09:27,722 INFO L226 Difference]: Without dead ends: 1841 [2024-11-01 15:09:27,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:09:27,731 INFO L432 NwaCegarLoop]: 946 mSDtfsCounter, 2339 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 216 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2339 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:27,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2339 Valid, 2443 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 252 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2024-11-01 15:09:27,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-11-01 15:09:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2024-11-01 15:09:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1393 states have (on average 1.3711414213926776) internal successors, (1910), 1420 states have internal predecessors, (1910), 330 states have call successors, (330), 118 states have call predecessors, (330), 117 states have return successors, (329), 323 states have call predecessors, (329), 329 states have call successors, (329) [2024-11-01 15:09:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2569 transitions. [2024-11-01 15:09:27,923 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2569 transitions. Word has length 78 [2024-11-01 15:09:27,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:27,924 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2569 transitions. [2024-11-01 15:09:27,924 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 15:09:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2569 transitions. [2024-11-01 15:09:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-01 15:09:27,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:27,929 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 15:09:27,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-01 15:09:28,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:28,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:28,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:28,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1495644058, now seen corresponding path program 1 times [2024-11-01 15:09:28,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:28,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495778623] [2024-11-01 15:09:28,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:28,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:28,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:28,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:09:28,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-01 15:09:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:28,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 15:09:28,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:29,077 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 15:09:29,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:29,529 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 15:09:29,529 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:29,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495778623] [2024-11-01 15:09:29,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1495778623] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:29,530 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:29,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-01 15:09:29,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375862437] [2024-11-01 15:09:29,530 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:29,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-01 15:09:29,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:29,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-01 15:09:29,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-01 15:09:29,534 INFO L87 Difference]: Start difference. First operand 1841 states and 2569 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 15:09:30,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:30,057 INFO L93 Difference]: Finished difference Result 3667 states and 5113 transitions. [2024-11-01 15:09:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 15:09:30,057 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 15:09:30,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:30,070 INFO L225 Difference]: With dead ends: 3667 [2024-11-01 15:09:30,071 INFO L226 Difference]: Without dead ends: 1850 [2024-11-01 15:09:30,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-01 15:09:30,078 INFO L432 NwaCegarLoop]: 903 mSDtfsCounter, 897 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:30,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2709 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 15:09:30,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2024-11-01 15:09:30,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1844. [2024-11-01 15:09:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1844 states, 1396 states have (on average 1.3696275071633237) internal successors, (1912), 1423 states have internal predecessors, (1912), 330 states have call successors, (330), 118 states have call predecessors, (330), 117 states have return successors, (329), 323 states have call predecessors, (329), 329 states have call successors, (329) [2024-11-01 15:09:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2571 transitions. [2024-11-01 15:09:30,191 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2571 transitions. Word has length 82 [2024-11-01 15:09:30,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:30,192 INFO L471 AbstractCegarLoop]: Abstraction has 1844 states and 2571 transitions. [2024-11-01 15:09:30,192 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 15:09:30,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2571 transitions. [2024-11-01 15:09:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-01 15:09:30,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:30,200 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 15:09:30,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-01 15:09:30,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:30,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:30,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash 952448389, now seen corresponding path program 1 times [2024-11-01 15:09:30,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:30,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757894516] [2024-11-01 15:09:30,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:30,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:30,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:30,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:09:30,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-01 15:09:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:31,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 15:09:31,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:31,689 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 15:09:31,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:32,866 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 15:09:32,866 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:32,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757894516] [2024-11-01 15:09:32,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1757894516] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:32,867 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:32,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-01 15:09:32,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840963138] [2024-11-01 15:09:32,867 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:32,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 15:09:32,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:32,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 15:09:32,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-01 15:09:32,869 INFO L87 Difference]: Start difference. First operand 1844 states and 2571 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 15:09:34,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:34,040 INFO L93 Difference]: Finished difference Result 5481 states and 7712 transitions. [2024-11-01 15:09:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 15:09:34,041 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 15:09:34,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:34,071 INFO L225 Difference]: With dead ends: 5481 [2024-11-01 15:09:34,074 INFO L226 Difference]: Without dead ends: 3653 [2024-11-01 15:09:34,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-01 15:09:34,084 INFO L432 NwaCegarLoop]: 911 mSDtfsCounter, 873 mSDsluCounter, 3598 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 4509 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:34,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 4509 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-01 15:09:34,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2024-11-01 15:09:34,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 3641. [2024-11-01 15:09:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2758 states have (on average 1.3709209572153735) internal successors, (3781), 2812 states have internal predecessors, (3781), 648 states have call successors, (648), 235 states have call predecessors, (648), 234 states have return successors, (704), 635 states have call predecessors, (704), 647 states have call successors, (704) [2024-11-01 15:09:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5133 transitions. [2024-11-01 15:09:34,299 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5133 transitions. Word has length 87 [2024-11-01 15:09:34,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:34,299 INFO L471 AbstractCegarLoop]: Abstraction has 3641 states and 5133 transitions. [2024-11-01 15:09:34,299 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 15:09:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5133 transitions. [2024-11-01 15:09:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-01 15:09:34,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:34,310 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-11-01 15:09:34,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-01 15:09:34,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:34,512 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:34,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:34,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1850097960, now seen corresponding path program 1 times [2024-11-01 15:09:34,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:34,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580615189] [2024-11-01 15:09:34,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:34,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:34,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:34,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:09:34,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-01 15:09:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:35,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:09:35,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 15:09:35,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 15:09:36,278 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:36,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580615189] [2024-11-01 15:09:36,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1580615189] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:36,279 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:36,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 15:09:36,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473775079] [2024-11-01 15:09:36,279 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:36,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:09:36,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:36,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:09:36,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:09:36,281 INFO L87 Difference]: Start difference. First operand 3641 states and 5133 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-01 15:09:37,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:37,011 INFO L93 Difference]: Finished difference Result 9271 states and 13011 transitions. [2024-11-01 15:09:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:09:37,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 133 [2024-11-01 15:09:37,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:37,051 INFO L225 Difference]: With dead ends: 9271 [2024-11-01 15:09:37,051 INFO L226 Difference]: Without dead ends: 5654 [2024-11-01 15:09:37,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 263 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 15:09:37,067 INFO L432 NwaCegarLoop]: 917 mSDtfsCounter, 511 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:37,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1745 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-01 15:09:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5654 states. [2024-11-01 15:09:37,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5654 to 5642. [2024-11-01 15:09:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5642 states, 4292 states have (on average 1.3704566635601119) internal successors, (5882), 4355 states have internal predecessors, (5882), 965 states have call successors, (965), 385 states have call predecessors, (965), 384 states have return successors, (1048), 949 states have call predecessors, (1048), 964 states have call successors, (1048) [2024-11-01 15:09:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5642 states to 5642 states and 7895 transitions. [2024-11-01 15:09:37,404 INFO L78 Accepts]: Start accepts. Automaton has 5642 states and 7895 transitions. Word has length 133 [2024-11-01 15:09:37,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:37,406 INFO L471 AbstractCegarLoop]: Abstraction has 5642 states and 7895 transitions. [2024-11-01 15:09:37,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-01 15:09:37,406 INFO L276 IsEmpty]: Start isEmpty. Operand 5642 states and 7895 transitions. [2024-11-01 15:09:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-01 15:09:37,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:37,420 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 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] [2024-11-01 15:09:37,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-01 15:09:37,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:37,621 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:37,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:37,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1704172364, now seen corresponding path program 1 times [2024-11-01 15:09:37,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:37,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123270633] [2024-11-01 15:09:37,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:37,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:37,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:37,626 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:09:37,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-01 15:09:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:38,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:09:38,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-01 15:09:38,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-01 15:09:39,818 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:39,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123270633] [2024-11-01 15:09:39,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [123270633] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:39,819 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:39,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 15:09:39,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556375976] [2024-11-01 15:09:39,819 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:39,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:09:39,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:39,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:09:39,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:09:39,822 INFO L87 Difference]: Start difference. First operand 5642 states and 7895 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-01 15:09:43,855 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 15:09:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:46,554 INFO L93 Difference]: Finished difference Result 16222 states and 22721 transitions. [2024-11-01 15:09:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:09:46,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 151 [2024-11-01 15:09:46,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:46,616 INFO L225 Difference]: With dead ends: 16222 [2024-11-01 15:09:46,616 INFO L226 Difference]: Without dead ends: 10604 [2024-11-01 15:09:46,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 298 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 15:09:46,635 INFO L432 NwaCegarLoop]: 1360 mSDtfsCounter, 1227 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:46,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 2840 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-01 15:09:46,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10604 states. [2024-11-01 15:09:47,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10604 to 10580. [2024-11-01 15:09:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10580 states, 8152 states have (on average 1.3738959764474976) internal successors, (11200), 8245 states have internal predecessors, (11200), 1683 states have call successors, (1683), 745 states have call predecessors, (1683), 744 states have return successors, (1829), 1661 states have call predecessors, (1829), 1682 states have call successors, (1829) [2024-11-01 15:09:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10580 states to 10580 states and 14712 transitions. [2024-11-01 15:09:47,272 INFO L78 Accepts]: Start accepts. Automaton has 10580 states and 14712 transitions. Word has length 151 [2024-11-01 15:09:47,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:47,274 INFO L471 AbstractCegarLoop]: Abstraction has 10580 states and 14712 transitions. [2024-11-01 15:09:47,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-01 15:09:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 10580 states and 14712 transitions. [2024-11-01 15:09:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-01 15:09:47,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:47,294 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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 15:09:47,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-01 15:09:47,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:47,499 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:47,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:47,499 INFO L85 PathProgramCache]: Analyzing trace with hash 979212878, now seen corresponding path program 1 times [2024-11-01 15:09:47,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:47,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237567879] [2024-11-01 15:09:47,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:47,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:47,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:47,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:09:47,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-01 15:09:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:48,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:09:48,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 15:09:48,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 15:09:49,330 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:49,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237567879] [2024-11-01 15:09:49,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1237567879] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:49,330 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:49,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 15:09:49,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936336498] [2024-11-01 15:09:49,331 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:49,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:09:49,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:49,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:09:49,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:09:49,332 INFO L87 Difference]: Start difference. First operand 10580 states and 14712 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-01 15:09:50,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:50,021 INFO L93 Difference]: Finished difference Result 24984 states and 34539 transitions. [2024-11-01 15:09:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:09:50,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 154 [2024-11-01 15:09:50,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:50,101 INFO L225 Difference]: With dead ends: 24984 [2024-11-01 15:09:50,101 INFO L226 Difference]: Without dead ends: 14428 [2024-11-01 15:09:50,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 305 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 15:09:50,136 INFO L432 NwaCegarLoop]: 1346 mSDtfsCounter, 562 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:50,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 2204 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 15:09:50,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14428 states. [2024-11-01 15:09:50,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14428 to 14369. [2024-11-01 15:09:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14369 states, 11147 states have (on average 1.3682605185251637) internal successors, (15252), 11302 states have internal predecessors, (15252), 2162 states have call successors, (2162), 1060 states have call predecessors, (2162), 1059 states have return successors, (2356), 2126 states have call predecessors, (2356), 2161 states have call successors, (2356) [2024-11-01 15:09:50,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14369 states to 14369 states and 19770 transitions. [2024-11-01 15:09:50,896 INFO L78 Accepts]: Start accepts. Automaton has 14369 states and 19770 transitions. Word has length 154 [2024-11-01 15:09:50,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:50,896 INFO L471 AbstractCegarLoop]: Abstraction has 14369 states and 19770 transitions. [2024-11-01 15:09:50,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-01 15:09:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 14369 states and 19770 transitions. [2024-11-01 15:09:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-01 15:09:50,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:50,919 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 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 15:09:50,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-01 15:09:51,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:51,120 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:51,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:51,121 INFO L85 PathProgramCache]: Analyzing trace with hash 978473828, now seen corresponding path program 1 times [2024-11-01 15:09:51,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:51,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016701460] [2024-11-01 15:09:51,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:51,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:51,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:51,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:09:51,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-01 15:09:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:51,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:09:51,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-01 15:09:51,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-01 15:09:52,618 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:52,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016701460] [2024-11-01 15:09:52,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1016701460] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:52,619 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:52,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 15:09:52,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154806974] [2024-11-01 15:09:52,619 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:52,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:09:52,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:52,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:09:52,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:09:52,620 INFO L87 Difference]: Start difference. First operand 14369 states and 19770 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-01 15:09:53,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:53,237 INFO L93 Difference]: Finished difference Result 21630 states and 30010 transitions. [2024-11-01 15:09:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:09:53,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-11-01 15:09:53,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:53,310 INFO L225 Difference]: With dead ends: 21630 [2024-11-01 15:09:53,310 INFO L226 Difference]: Without dead ends: 14405 [2024-11-01 15:09:53,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 309 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 15:09:53,345 INFO L432 NwaCegarLoop]: 900 mSDtfsCounter, 3 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:53,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1792 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 15:09:53,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14405 states. [2024-11-01 15:09:54,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14405 to 14405. [2024-11-01 15:09:54,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14405 states, 11183 states have (on average 1.367075024590897) internal successors, (15288), 11338 states have internal predecessors, (15288), 2162 states have call successors, (2162), 1060 states have call predecessors, (2162), 1059 states have return successors, (2356), 2126 states have call predecessors, (2356), 2161 states have call successors, (2356) [2024-11-01 15:09:54,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14405 states to 14405 states and 19806 transitions. [2024-11-01 15:09:54,102 INFO L78 Accepts]: Start accepts. Automaton has 14405 states and 19806 transitions. Word has length 156 [2024-11-01 15:09:54,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:54,103 INFO L471 AbstractCegarLoop]: Abstraction has 14405 states and 19806 transitions. [2024-11-01 15:09:54,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-01 15:09:54,103 INFO L276 IsEmpty]: Start isEmpty. Operand 14405 states and 19806 transitions. [2024-11-01 15:09:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-01 15:09:54,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:54,123 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 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] [2024-11-01 15:09:54,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-01 15:09:54,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:54,324 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:54,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:54,324 INFO L85 PathProgramCache]: Analyzing trace with hash 2063003333, now seen corresponding path program 1 times [2024-11-01 15:09:54,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:54,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548960647] [2024-11-01 15:09:54,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:54,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:09:54,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:54,328 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-01 15:09:54,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-01 15:09:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:55,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-01 15:09:55,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-01 15:09:56,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:10:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-01 15:10:00,380 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:10:00,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548960647] [2024-11-01 15:10:00,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1548960647] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:10:00,380 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:10:00,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2024-11-01 15:10:00,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61912016] [2024-11-01 15:10:00,380 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:10:00,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-01 15:10:00,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:10:00,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-01 15:10:00,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-01 15:10:00,382 INFO L87 Difference]: Start difference. First operand 14405 states and 19806 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 9 states have internal predecessors, (132), 7 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2024-11-01 15:10:04,407 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 15:10:08,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 15:10:12,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []