/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 12:51:07,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 12:51:07,258 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 12:51:07,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 12:51:07,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 12:51:07,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 12:51:07,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 12:51:07,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 12:51:07,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 12:51:07,289 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 12:51:07,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 12:51:07,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 12:51:07,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 12:51:07,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 12:51:07,290 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 12:51:07,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 12:51:07,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 12:51:07,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 12:51:07,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 12:51:07,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 12:51:07,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 12:51:07,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 12:51:07,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 12:51:07,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 12:51:07,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 12:51:07,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 12:51:07,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 12:51:07,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 12:51:07,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 12:51:07,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 12:51:07,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 12:51:07,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 12:51:07,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 12:51:07,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 12:51:07,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 12:51:07,304 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 12:51:07,304 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 12:51:07,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 12:51:07,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 12:51:07,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 12:51:07,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 12:51:07,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:51:07,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 12:51:07,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 12:51:07,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 12:51:07,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 12:51:07,515 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 12:51:07,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-04 12:51:08,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 12:51:09,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 12:51:09,304 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-04 12:51:09,333 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f10ca722a/929ce2d292864f068741602c3c2219f9/FLAG2d74f8a41 [2024-11-04 12:51:09,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f10ca722a/929ce2d292864f068741602c3c2219f9 [2024-11-04 12:51:09,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 12:51:09,473 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 12:51:09,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 12:51:09,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 12:51:09,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 12:51:09,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:51:09" (1/1) ... [2024-11-04 12:51:09,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b32459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:09, skipping insertion in model container [2024-11-04 12:51:09,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:51:09" (1/1) ... [2024-11-04 12:51:09,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 12:51:10,441 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,549 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,550 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,551 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,562 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,562 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,569 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,570 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,571 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,577 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,587 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,587 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,588 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,588 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,589 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,589 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,590 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,607 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,607 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,621 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,629 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,639 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,644 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,651 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,659 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,669 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,681 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,688 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,712 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,723 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,737 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,746 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,747 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,760 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,785 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,788 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,801 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,809 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,810 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,841 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,842 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,857 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,857 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,857 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,859 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,859 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,859 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,859 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,871 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2024-11-04 12:51:10,899 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:51:10,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 12:51:10,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 12:51:11,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4690] [2024-11-04 12:51:11,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4697] [2024-11-04 12:51:11,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4705-4706] [2024-11-04 12:51:11,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4714-4715] [2024-11-04 12:51:11,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4843] [2024-11-04 12:51:11,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4846] [2024-11-04 12:51:11,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4849] [2024-11-04 12:51:11,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4852] [2024-11-04 12:51:11,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5234] [2024-11-04 12:51:11,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5238] [2024-11-04 12:51:11,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5242] [2024-11-04 12:51:11,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5246] [2024-11-04 12:51:11,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5257] [2024-11-04 12:51:11,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5261] [2024-11-04 12:51:11,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5265] [2024-11-04 12:51:11,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5269] [2024-11-04 12:51:11,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5280] [2024-11-04 12:51:11,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5284] [2024-11-04 12:51:11,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5288] [2024-11-04 12:51:11,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5292] [2024-11-04 12:51:11,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5303] [2024-11-04 12:51:11,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5307] [2024-11-04 12:51:11,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5311] [2024-11-04 12:51:11,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5315] [2024-11-04 12:51:11,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5365] [2024-11-04 12:51:11,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5369] [2024-11-04 12:51:11,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5373] [2024-11-04 12:51:11,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5377] [2024-11-04 12:51:11,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5388] [2024-11-04 12:51:11,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5392] [2024-11-04 12:51:11,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5396] [2024-11-04 12:51:11,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5400] [2024-11-04 12:51:11,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5411] [2024-11-04 12:51:11,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5415] [2024-11-04 12:51:11,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5419] [2024-11-04 12:51:11,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5423] [2024-11-04 12:51:11,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___2), "+m" (*__ptr___11): "0" (__x___2): "memory"); [5434] [2024-11-04 12:51:11,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___2), "+m" (*__ptr___12): "0" (__x___2): "memory"); [5438] [2024-11-04 12:51:11,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___2), "+m" (*__ptr___13): "0" (__x___2): "memory"); [5442] [2024-11-04 12:51:11,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___2), "+m" (*__ptr___14): "0" (__x___2): "memory"); [5446] [2024-11-04 12:51:11,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5520] [2024-11-04 12:51:11,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5524] [2024-11-04 12:51:11,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5528] [2024-11-04 12:51:11,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5532] [2024-11-04 12:51:11,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5543] [2024-11-04 12:51:11,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5547] [2024-11-04 12:51:11,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5551] [2024-11-04 12:51:11,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5555] [2024-11-04 12:51:11,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___1), "+m" (*__ptr___7): "0" (__x___1): "memory"); [5566] [2024-11-04 12:51:11,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___1), "+m" (*__ptr___8): "0" (__x___1): "memory"); [5570] [2024-11-04 12:51:11,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___1), "+m" (*__ptr___9): "0" (__x___1): "memory"); [5574] [2024-11-04 12:51:11,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___1), "+m" (*__ptr___10): "0" (__x___1): "memory"); [5578] [2024-11-04 12:51:11,215 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"); [6518] [2024-11-04 12:51:11,215 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"); [6521] [2024-11-04 12:51:11,215 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"); [6524] [2024-11-04 12:51:11,215 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"); [6527] [2024-11-04 12:51:11,216 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"); [6530] [2024-11-04 12:51:11,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6543] [2024-11-04 12:51:11,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6546] [2024-11-04 12:51:11,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6549] [2024-11-04 12:51:11,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6552] [2024-11-04 12:51:11,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6555] [2024-11-04 12:51:11,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6577] [2024-11-04 12:51:11,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6580] [2024-11-04 12:51:11,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6583] [2024-11-04 12:51:11,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6586] [2024-11-04 12:51:11,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6589] [2024-11-04 12:51:11,220 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"); [6622-6623] [2024-11-04 12:51:11,221 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"); [6626-6627] [2024-11-04 12:51:11,221 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"); [6630-6631] [2024-11-04 12:51:11,221 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"); [6634-6635] [2024-11-04 12:51:11,222 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"); [6638-6639] [2024-11-04 12:51:11,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6652] [2024-11-04 12:51:11,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6655] [2024-11-04 12:51:11,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6658] [2024-11-04 12:51:11,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6661] [2024-11-04 12:51:11,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [6664] [2024-11-04 12:51:11,224 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"); [6697-6698] [2024-11-04 12:51:11,225 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"); [6701-6702] [2024-11-04 12:51:11,225 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"); [6705-6706] [2024-11-04 12:51:11,225 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"); [6709-6710] [2024-11-04 12:51:11,225 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"); [6713-6714] [2024-11-04 12:51:11,256 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2024-11-04 12:51:11,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 12:51:11,343 INFO L204 MainTranslator]: Completed translation [2024-11-04 12:51:11,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11 WrapperNode [2024-11-04 12:51:11,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 12:51:11,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 12:51:11,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 12:51:11,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 12:51:11,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:11,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:11,475 INFO L138 Inliner]: procedures = 198, calls = 884, calls flagged for inlining = 94, calls inlined = 92, statements flattened = 3246 [2024-11-04 12:51:11,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 12:51:11,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 12:51:11,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 12:51:11,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 12:51:11,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:11,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:11,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:11,880 INFO L175 MemorySlicer]: Split 434 memory accesses to 10 slices as follows [2, 16, 3, 36, 22, 1, 4, 2, 1, 347]. 80 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 5]. The 182 writes are split as follows [0, 2, 0, 36, 22, 0, 1, 0, 1, 120]. [2024-11-04 12:51:11,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:11,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:11,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:11,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:12,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:12,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:12,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 12:51:12,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 12:51:12,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 12:51:12,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 12:51:12,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (1/1) ... [2024-11-04 12:51:12,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 12:51:12,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:51:12,081 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) [2024-11-04 12:51:12,084 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 [2024-11-04 12:51:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2024-11-04 12:51:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2024-11-04 12:51:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 12:51:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 12:51:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 12:51:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 12:51:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 12:51:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 12:51:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 12:51:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2024-11-04 12:51:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 12:51:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-04 12:51:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-04 12:51:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-04 12:51:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-04 12:51:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-04 12:51:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-04 12:51:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-04 12:51:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-04 12:51:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-04 12:51:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-04 12:51:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-04 12:51:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-04 12:51:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-04 12:51:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-04 12:51:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-04 12:51:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-04 12:51:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-04 12:51:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-04 12:51:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-04 12:51:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-04 12:51:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 12:51:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 12:51:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-04 12:51:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-04 12:51:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-04 12:51:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-04 12:51:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 12:51:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 12:51:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-04 12:51:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-04 12:51:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-04 12:51:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-04 12:51:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2024-11-04 12:51:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2024-11-04 12:51:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-04 12:51:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-04 12:51:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 12:51:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-04 12:51:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-04 12:51:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2024-11-04 12:51:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-04 12:51:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-04 12:51:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2024-11-04 12:51:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-04 12:51:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-04 12:51:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-04 12:51:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-04 12:51:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-04 12:51:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-04 12:51:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-04 12:51:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-04 12:51:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-04 12:51:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-04 12:51:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-04 12:51:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-04 12:51:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-04 12:51:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-04 12:51:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 12:51:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2024-11-04 12:51:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-04 12:51:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-04 12:51:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-04 12:51:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-04 12:51:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-04 12:51:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-04 12:51:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-04 12:51:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-04 12:51:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2024-11-04 12:51:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2024-11-04 12:51:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-04 12:51:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-04 12:51:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-04 12:51:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-04 12:51:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-04 12:51:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-04 12:51:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2024-11-04 12:51:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2024-11-04 12:51:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-04 12:51:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-04 12:51:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-04 12:51:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-04 12:51:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-04 12:51:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-04 12:51:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-04 12:51:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-04 12:51:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-04 12:51:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-04 12:51:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-04 12:51:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-04 12:51:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-04 12:51:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-04 12:51:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-04 12:51:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-04 12:51:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-04 12:51:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-04 12:51:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-04 12:51:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-04 12:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-04 12:51:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-04 12:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-04 12:51:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-04 12:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2024-11-04 12:51:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2024-11-04 12:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 12:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 12:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 12:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 12:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 12:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 12:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 12:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-04 12:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-04 12:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-04 12:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-04 12:51:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-04 12:51:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-04 12:51:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-04 12:51:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-04 12:51:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-04 12:51:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-04 12:51:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-04 12:51:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-04 12:51:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2024-11-04 12:51:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2024-11-04 12:51:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 12:51:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 12:51:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 12:51:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 12:51:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 12:51:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 12:51:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 12:51:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-04 12:51:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-04 12:51:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-04 12:51:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-04 12:51:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-11-04 12:51:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-04 12:51:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-04 12:51:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-04 12:51:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-04 12:51:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-04 12:51:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-04 12:51:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2024-11-04 12:51:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2024-11-04 12:51:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-04 12:51:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-04 12:51:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2024-11-04 12:51:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2024-11-04 12:51:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2024-11-04 12:51:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2024-11-04 12:51:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2024-11-04 12:51:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2024-11-04 12:51:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-04 12:51:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-04 12:51:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2024-11-04 12:51:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2024-11-04 12:51:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2024-11-04 12:51:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-04 12:51:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-04 12:51:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-04 12:51:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-04 12:51:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-04 12:51:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-04 12:51:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 12:51:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 12:51:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-04 12:51:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-04 12:51:12,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 12:51:12,669 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 12:51:12,741 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-04 12:51:38,592 INFO L? ?]: Removed 1538 outVars from TransFormulas that were not future-live. [2024-11-04 12:51:38,593 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 12:51:38,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 12:51:38,624 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 12:51:38,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:51:38 BoogieIcfgContainer [2024-11-04 12:51:38,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 12:51:38,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 12:51:38,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 12:51:38,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 12:51:38,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 12:51:09" (1/3) ... [2024-11-04 12:51:38,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263e013b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:51:38, skipping insertion in model container [2024-11-04 12:51:38,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:51:11" (2/3) ... [2024-11-04 12:51:38,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263e013b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:51:38, skipping insertion in model container [2024-11-04 12:51:38,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:51:38" (3/3) ... [2024-11-04 12:51:38,629 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-04 12:51:38,641 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 12:51:38,641 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 12:51:38,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 12:51:38,715 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;@3ec8d25f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 12:51:38,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 12:51:38,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 1152 states, 833 states have (on average 1.4129651860744297) internal successors, (1177), 876 states have internal predecessors, (1177), 263 states have call successors, (263), 55 states have call predecessors, (263), 54 states have return successors, (258), 256 states have call predecessors, (258), 258 states have call successors, (258) [2024-11-04 12:51:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-04 12:51:38,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:51:38,743 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-04 12:51:38,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:51:38,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:51:38,748 INFO L85 PathProgramCache]: Analyzing trace with hash -773912683, now seen corresponding path program 1 times [2024-11-04 12:51:38,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:51:38,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436428202] [2024-11-04 12:51:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:51:38,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:51:38,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:51:38,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:51:38,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 12:51:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:51:39,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 12:51:39,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:51:39,691 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-04 12:51:39,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:51:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-04 12:51:42,069 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:51:42,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436428202] [2024-11-04 12:51:42,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [436428202] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 12:51:42,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 12:51:42,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 12:51:42,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104625381] [2024-11-04 12:51:42,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 12:51:42,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 12:51:42,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:51:42,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 12:51:42,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 12:51:42,093 INFO L87 Difference]: Start difference. First operand has 1152 states, 833 states have (on average 1.4129651860744297) internal successors, (1177), 876 states have internal predecessors, (1177), 263 states have call successors, (263), 55 states have call predecessors, (263), 54 states have return successors, (258), 256 states have call predecessors, (258), 258 states have call successors, (258) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-04 12:51:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:51:42,191 INFO L93 Difference]: Finished difference Result 2300 states and 3417 transitions. [2024-11-04 12:51:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 12:51:42,193 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-11-04 12:51:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:51:42,220 INFO L225 Difference]: With dead ends: 2300 [2024-11-04 12:51:42,220 INFO L226 Difference]: Without dead ends: 1106 [2024-11-04 12:51:42,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 12:51:42,234 INFO L432 NwaCegarLoop]: 1695 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 12:51:42,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 12:51:42,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-11-04 12:51:42,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1106. [2024-11-04 12:51:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 802 states have (on average 1.4052369077306732) internal successors, (1127), 837 states have internal predecessors, (1127), 249 states have call successors, (249), 54 states have call predecessors, (249), 54 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-04 12:51:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1625 transitions. [2024-11-04 12:51:42,324 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1625 transitions. Word has length 161 [2024-11-04 12:51:42,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:51:42,324 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1625 transitions. [2024-11-04 12:51:42,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-04 12:51:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1625 transitions. [2024-11-04 12:51:42,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-04 12:51:42,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:51:42,330 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-04 12:51:42,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 12:51:42,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:51:42,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:51:42,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:51:42,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1902257099, now seen corresponding path program 1 times [2024-11-04 12:51:42,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:51:42,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489803567] [2024-11-04 12:51:42,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:51:42,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:51:42,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:51:42,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:51:42,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 12:51:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:51:43,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 12:51:43,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:51:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-04 12:51:43,773 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:51:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-04 12:51:46,783 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:51:46,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489803567] [2024-11-04 12:51:46,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [489803567] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:51:46,784 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:51:46,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 12:51:46,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233356447] [2024-11-04 12:51:46,784 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:51:46,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 12:51:46,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:51:46,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 12:51:46,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 12:51:46,786 INFO L87 Difference]: Start difference. First operand 1106 states and 1625 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-04 12:51:47,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:51:47,592 INFO L93 Difference]: Finished difference Result 2767 states and 4032 transitions. [2024-11-04 12:51:47,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 12:51:47,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 161 [2024-11-04 12:51:47,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:51:47,601 INFO L225 Difference]: With dead ends: 2767 [2024-11-04 12:51:47,602 INFO L226 Difference]: Without dead ends: 1697 [2024-11-04 12:51:47,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 12:51:47,605 INFO L432 NwaCegarLoop]: 1644 mSDtfsCounter, 873 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-04 12:51:47,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 3186 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-04 12:51:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2024-11-04 12:51:47,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1697. [2024-11-04 12:51:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1217 states have (on average 1.3870172555464257) internal successors, (1688), 1268 states have internal predecessors, (1688), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-04 12:51:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2456 transitions. [2024-11-04 12:51:47,665 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2456 transitions. Word has length 161 [2024-11-04 12:51:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:51:47,667 INFO L471 AbstractCegarLoop]: Abstraction has 1697 states and 2456 transitions. [2024-11-04 12:51:47,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-04 12:51:47,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2456 transitions. [2024-11-04 12:51:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-04 12:51:47,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:51:47,673 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 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] [2024-11-04 12:51:47,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 12:51:47,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:51:47,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:51:47,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:51:47,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1523057751, now seen corresponding path program 1 times [2024-11-04 12:51:47,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:51:47,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406260144] [2024-11-04 12:51:47,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:51:47,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:51:47,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:51:47,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:51:47,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 12:51:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:51:48,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 12:51:48,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:51:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-04 12:51:49,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:51:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-04 12:51:53,387 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:51:53,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406260144] [2024-11-04 12:51:53,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [406260144] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:51:53,387 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:51:53,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 12:51:53,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372949956] [2024-11-04 12:51:53,387 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:51:53,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 12:51:53,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:51:53,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 12:51:53,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 12:51:53,389 INFO L87 Difference]: Start difference. First operand 1697 states and 2456 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-04 12:51:53,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:51:53,677 INFO L93 Difference]: Finished difference Result 1703 states and 2463 transitions. [2024-11-04 12:51:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 12:51:53,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 240 [2024-11-04 12:51:53,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:51:53,686 INFO L225 Difference]: With dead ends: 1703 [2024-11-04 12:51:53,686 INFO L226 Difference]: Without dead ends: 1701 [2024-11-04 12:51:53,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 12:51:53,688 INFO L432 NwaCegarLoop]: 1623 mSDtfsCounter, 0 mSDsluCounter, 3239 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4862 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 12:51:53,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4862 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 12:51:53,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2024-11-04 12:51:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1699. [2024-11-04 12:51:53,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1219 states have (on average 1.3863822805578343) internal successors, (1690), 1270 states have internal predecessors, (1690), 384 states have call successors, (384), 95 states have call predecessors, (384), 95 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-04 12:51:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2458 transitions. [2024-11-04 12:51:53,739 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2458 transitions. Word has length 240 [2024-11-04 12:51:53,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:51:53,740 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 2458 transitions. [2024-11-04 12:51:53,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-04 12:51:53,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2458 transitions. [2024-11-04 12:51:53,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-04 12:51:53,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:51:53,745 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 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] [2024-11-04 12:51:53,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-04 12:51:53,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:51:53,946 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:51:53,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:51:53,947 INFO L85 PathProgramCache]: Analyzing trace with hash -249307988, now seen corresponding path program 1 times [2024-11-04 12:51:53,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:51:53,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594719194] [2024-11-04 12:51:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:51:53,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:51:53,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:51:53,952 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:51:53,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-04 12:51:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:51:54,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-04 12:51:54,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:51:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-04 12:51:55,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:52:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-04 12:52:00,495 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:52:00,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594719194] [2024-11-04 12:52:00,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [594719194] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:52:00,495 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:52:00,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2024-11-04 12:52:00,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841932300] [2024-11-04 12:52:00,495 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:52:00,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-04 12:52:00,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:52:00,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-04 12:52:00,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-04 12:52:00,497 INFO L87 Difference]: Start difference. First operand 1699 states and 2458 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-04 12:52:02,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:52:02,029 INFO L93 Difference]: Finished difference Result 1718 states and 2485 transitions. [2024-11-04 12:52:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-04 12:52:02,030 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 250 [2024-11-04 12:52:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:52:02,038 INFO L225 Difference]: With dead ends: 1718 [2024-11-04 12:52:02,038 INFO L226 Difference]: Without dead ends: 1716 [2024-11-04 12:52:02,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-04 12:52:02,039 INFO L432 NwaCegarLoop]: 1623 mSDtfsCounter, 121 mSDsluCounter, 6449 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 8072 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-04 12:52:02,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 8072 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-04 12:52:02,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2024-11-04 12:52:02,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1701. [2024-11-04 12:52:02,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1220 states have (on average 1.3860655737704919) internal successors, (1691), 1270 states have internal predecessors, (1691), 385 states have call successors, (385), 95 states have call predecessors, (385), 95 states have return successors, (385), 382 states have call predecessors, (385), 385 states have call successors, (385) [2024-11-04 12:52:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2461 transitions. [2024-11-04 12:52:02,083 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2461 transitions. Word has length 250 [2024-11-04 12:52:02,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:52:02,084 INFO L471 AbstractCegarLoop]: Abstraction has 1701 states and 2461 transitions. [2024-11-04 12:52:02,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-04 12:52:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2461 transitions. [2024-11-04 12:52:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-04 12:52:02,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:52:02,091 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 12:52:02,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-04 12:52:02,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:02,295 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:52:02,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:52:02,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1251870013, now seen corresponding path program 1 times [2024-11-04 12:52:02,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:52:02,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936233685] [2024-11-04 12:52:02,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:52:02,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:02,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:02,297 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:52:02,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-04 12:52:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:52:03,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 12:52:03,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:52:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-04 12:52:05,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:52:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-11-04 12:52:11,077 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:52:11,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936233685] [2024-11-04 12:52:11,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1936233685] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:52:11,078 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:52:11,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 12:52:11,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460476981] [2024-11-04 12:52:11,078 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:52:11,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 12:52:11,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:52:11,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 12:52:11,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 12:52:11,079 INFO L87 Difference]: Start difference. First operand 1701 states and 2461 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-04 12:52:15,116 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 [] [2024-11-04 12:52:15,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:52:15,553 INFO L93 Difference]: Finished difference Result 4967 states and 7195 transitions. [2024-11-04 12:52:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 12:52:15,561 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), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 280 [2024-11-04 12:52:15,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:52:15,578 INFO L225 Difference]: With dead ends: 4967 [2024-11-04 12:52:15,578 INFO L226 Difference]: Without dead ends: 3312 [2024-11-04 12:52:15,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 12:52:15,585 INFO L432 NwaCegarLoop]: 2412 mSDtfsCounter, 1516 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-04 12:52:15,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 3981 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-04 12:52:15,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2024-11-04 12:52:15,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3306. [2024-11-04 12:52:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3306 states, 2376 states have (on average 1.3905723905723906) internal successors, (3304), 2476 states have internal predecessors, (3304), 742 states have call successors, (742), 187 states have call predecessors, (742), 187 states have return successors, (742), 734 states have call predecessors, (742), 742 states have call successors, (742) [2024-11-04 12:52:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 4788 transitions. [2024-11-04 12:52:15,760 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 4788 transitions. Word has length 280 [2024-11-04 12:52:15,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:52:15,760 INFO L471 AbstractCegarLoop]: Abstraction has 3306 states and 4788 transitions. [2024-11-04 12:52:15,760 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), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-04 12:52:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 4788 transitions. [2024-11-04 12:52:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-04 12:52:15,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:52:15,788 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 12:52:15,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-04 12:52:15,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:15,989 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:52:15,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:52:15,990 INFO L85 PathProgramCache]: Analyzing trace with hash 185886715, now seen corresponding path program 1 times [2024-11-04 12:52:15,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:52:15,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830961688] [2024-11-04 12:52:15,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:52:15,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:15,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:15,992 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:52:15,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-04 12:52:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:52:16,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 12:52:16,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:52:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-04 12:52:17,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:52:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-04 12:52:21,686 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:52:21,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830961688] [2024-11-04 12:52:21,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1830961688] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:52:21,686 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:52:21,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 12:52:21,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376391380] [2024-11-04 12:52:21,687 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:52:21,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 12:52:21,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:52:21,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 12:52:21,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 12:52:21,689 INFO L87 Difference]: Start difference. First operand 3306 states and 4788 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-04 12:52:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:52:22,022 INFO L93 Difference]: Finished difference Result 6566 states and 9560 transitions. [2024-11-04 12:52:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 12:52:22,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 282 [2024-11-04 12:52:22,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:52:22,044 INFO L225 Difference]: With dead ends: 6566 [2024-11-04 12:52:22,044 INFO L226 Difference]: Without dead ends: 3306 [2024-11-04 12:52:22,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 12:52:22,053 INFO L432 NwaCegarLoop]: 1619 mSDtfsCounter, 0 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3232 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 12:52:22,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3232 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 12:52:22,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3306 states. [2024-11-04 12:52:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3306 to 3306. [2024-11-04 12:52:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3306 states, 2376 states have (on average 1.3855218855218856) internal successors, (3292), 2476 states have internal predecessors, (3292), 742 states have call successors, (742), 187 states have call predecessors, (742), 187 states have return successors, (742), 734 states have call predecessors, (742), 742 states have call successors, (742) [2024-11-04 12:52:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 4776 transitions. [2024-11-04 12:52:22,144 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 4776 transitions. Word has length 282 [2024-11-04 12:52:22,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:52:22,144 INFO L471 AbstractCegarLoop]: Abstraction has 3306 states and 4776 transitions. [2024-11-04 12:52:22,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-04 12:52:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 4776 transitions. [2024-11-04 12:52:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-04 12:52:22,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:52:22,156 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 12:52:22,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-04 12:52:22,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:22,357 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:52:22,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:52:22,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1051806589, now seen corresponding path program 1 times [2024-11-04 12:52:22,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:52:22,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957381476] [2024-11-04 12:52:22,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:52:22,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:22,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:22,359 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:52:22,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-04 12:52:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:52:23,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 12:52:23,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:52:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-04 12:52:23,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:52:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-04 12:52:28,250 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:52:28,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957381476] [2024-11-04 12:52:28,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1957381476] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:52:28,250 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:52:28,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 12:52:28,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873632828] [2024-11-04 12:52:28,250 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:52:28,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 12:52:28,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:52:28,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 12:52:28,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 12:52:28,252 INFO L87 Difference]: Start difference. First operand 3306 states and 4776 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-04 12:52:32,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 12:52:36,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 12:52:47,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:52:47,257 INFO L93 Difference]: Finished difference Result 7178 states and 10350 transitions. [2024-11-04 12:52:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 12:52:47,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 285 [2024-11-04 12:52:47,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:52:47,290 INFO L225 Difference]: With dead ends: 7178 [2024-11-04 12:52:47,291 INFO L226 Difference]: Without dead ends: 3895 [2024-11-04 12:52:47,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-04 12:52:47,300 INFO L432 NwaCegarLoop]: 3171 mSDtfsCounter, 1549 mSDsluCounter, 5866 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 9037 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-11-04 12:52:47,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 9037 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 477 Invalid, 2 Unknown, 0 Unchecked, 18.6s Time] [2024-11-04 12:52:47,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3895 states. [2024-11-04 12:52:47,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3895 to 3314. [2024-11-04 12:52:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 2384 states have (on average 1.3859060402684564) internal successors, (3304), 2484 states have internal predecessors, (3304), 744 states have call successors, (744), 185 states have call predecessors, (744), 185 states have return successors, (744), 736 states have call predecessors, (744), 744 states have call successors, (744) [2024-11-04 12:52:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4792 transitions. [2024-11-04 12:52:47,455 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4792 transitions. Word has length 285 [2024-11-04 12:52:47,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:52:47,455 INFO L471 AbstractCegarLoop]: Abstraction has 3314 states and 4792 transitions. [2024-11-04 12:52:47,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-04 12:52:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4792 transitions. [2024-11-04 12:52:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-04 12:52:47,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:52:47,464 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 12:52:47,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-04 12:52:47,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:47,669 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:52:47,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:52:47,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1796682169, now seen corresponding path program 1 times [2024-11-04 12:52:47,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:52:47,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164892027] [2024-11-04 12:52:47,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:52:47,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:47,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:47,671 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:52:47,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-04 12:52:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:52:48,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 12:52:48,601 INFO L278 TraceCheckSpWp]: Computing forward predicates...