/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 18:22:16,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 18:22:16,786 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 18:22:16,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 18:22:16,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 18:22:16,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 18:22:16,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 18:22:16,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 18:22:16,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 18:22:16,827 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 18:22:16,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 18:22:16,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 18:22:16,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 18:22:16,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 18:22:16,830 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 18:22:16,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 18:22:16,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 18:22:16,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 18:22:16,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 18:22:16,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 18:22:16,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 18:22:16,834 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 18:22:16,834 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 18:22:16,835 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 18:22:16,835 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 18:22:16,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 18:22:16,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 18:22:16,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 18:22:16,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 18:22:16,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 18:22:16,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 18:22:16,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 18:22:16,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 18:22:16,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 18:22:16,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 18:22:16,841 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 18:22:16,841 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:16,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 18:22:16,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 18:22:16,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 18:22:16,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 18:22:16,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:17,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 18:22:17,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 18:22:17,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 18:22:17,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 18:22:17,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 18:22:17,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2024-11-04 18:22:18,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 18:22:19,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 18:22:19,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2024-11-04 18:22:19,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05f00cea/e83942faa585416db0e1dff1994c53c7/FLAG0a2a59628 [2024-11-04 18:22:19,386 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05f00cea/e83942faa585416db0e1dff1994c53c7 [2024-11-04 18:22:19,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 18:22:19,391 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 18:22:19,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 18:22:19,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 18:22:19,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 18:22:19,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 06:22:19" (1/1) ... [2024-11-04 18:22:19,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518fcea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:19, skipping insertion in model container [2024-11-04 18:22:19,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 06:22:19" (1/1) ... [2024-11-04 18:22:19,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 18:22:20,350 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 18:22:20,378 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2024-11-04 18:22:20,417 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 18:22:20,435 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 18:22:20,444 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 18:22:20,450 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 18:22:20,455 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 18:22:20,456 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 18:22:20,456 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 18:22:20,463 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 18:22:20,464 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 18:22:20,493 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 18:22:20,494 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 18:22:20,497 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 18:22:20,497 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 18:22:20,498 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 18:22:20,500 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 18:22:20,500 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 18:22:20,500 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 18:22:20,500 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 18:22:20,504 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 18:22:20,506 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 18:22:20,508 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 18:22:20,519 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 18:22:20,519 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 18:22:20,528 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 18:22:20,528 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 18:22:20,530 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 18:22:20,530 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 18:22:20,531 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 18:22:20,531 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 18:22:20,536 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 18:22:20,536 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 18:22:20,536 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 18:22:20,536 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 18:22:20,537 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 18:22:20,537 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 18:22:20,582 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 18:22:20,597 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 18:22:20,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 18:22:20,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 18:22:20,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5277] [2024-11-04 18:22:20,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5284] [2024-11-04 18:22:20,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5292-5293] [2024-11-04 18:22:20,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5301-5302] [2024-11-04 18:22:20,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5349] [2024-11-04 18:22:20,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5357-5358] [2024-11-04 18:22:20,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2024-11-04 18:22:20,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5939] [2024-11-04 18:22:20,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5942] [2024-11-04 18:22:20,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5945] [2024-11-04 18:22:20,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5948] [2024-11-04 18:22:20,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5951] [2024-11-04 18:22:20,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5967-5968] [2024-11-04 18:22:20,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5971-5972] [2024-11-04 18:22:20,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5975-5976] [2024-11-04 18:22:20,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5979-5980] [2024-11-04 18:22:20,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5983-5984] [2024-11-04 18:22:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6007-6008] [2024-11-04 18:22:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6011-6012] [2024-11-04 18:22:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6015-6016] [2024-11-04 18:22:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6019-6020] [2024-11-04 18:22:20,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6023-6024] [2024-11-04 18:22:20,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6152] [2024-11-04 18:22:20,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6155] [2024-11-04 18:22:20,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6158] [2024-11-04 18:22:20,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6161] [2024-11-04 18:22:20,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6164] [2024-11-04 18:22:20,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)argp), "i" (4UL)); [6176-6177] [2024-11-04 18:22:20,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6194-6195] [2024-11-04 18:22:20,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6198-6199] [2024-11-04 18:22:20,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6202-6203] [2024-11-04 18:22:20,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6206-6207] [2024-11-04 18:22:20,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6210-6211] [2024-11-04 18:22:20,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (p), "i" (4UL)); [6223-6224] [2024-11-04 18:22:20,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6237-6238] [2024-11-04 18:22:20,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6241-6242] [2024-11-04 18:22:20,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6245-6246] [2024-11-04 18:22:20,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6249-6250] [2024-11-04 18:22:20,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6253-6254] [2024-11-04 18:22:20,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (p), "i" (4UL)); [6266-6267] [2024-11-04 18:22:20,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6304-6305] [2024-11-04 18:22:20,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6308-6309] [2024-11-04 18:22:20,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6312-6313] [2024-11-04 18:22:20,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6316-6317] [2024-11-04 18:22:20,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6320-6321] [2024-11-04 18:22:20,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" ((int *)argp), "i" (4UL)); [6333-6334] [2024-11-04 18:22:20,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 18:22:20,910 INFO L204 MainTranslator]: Completed translation [2024-11-04 18:22:20,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20 WrapperNode [2024-11-04 18:22:20,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 18:22:20,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 18:22:20,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 18:22:20,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 18:22:20,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:20,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,088 INFO L138 Inliner]: procedures = 188, calls = 475, calls flagged for inlining = 92, calls inlined = 85, statements flattened = 1836 [2024-11-04 18:22:21,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 18:22:21,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 18:22:21,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 18:22:21,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 18:22:21,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,111 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,323 INFO L175 MemorySlicer]: Split 190 memory accesses to 9 slices as follows [2, 20, 7, 1, 24, 13, 2, 1, 120]. 63 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 15, 0, 1, 0, 0, 2, 1, 10]. The 86 writes are split as follows [0, 2, 6, 0, 24, 13, 0, 0, 41]. [2024-11-04 18:22:21,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 18:22:21,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 18:22:21,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 18:22:21,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 18:22:21,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (1/1) ... [2024-11-04 18:22:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 18:22:21,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 18:22:21,517 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 18:22:21,524 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 18:22:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-04 18:22:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-04 18:22:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2024-11-04 18:22:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2024-11-04 18:22:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2024-11-04 18:22:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2024-11-04 18:22:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 18:22:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 18:22:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 18:22:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 18:22:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 18:22:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 18:22:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 18:22:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-04 18:22:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-04 18:22:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-04 18:22:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-04 18:22:21,559 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-04 18:22:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 18:22:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 18:22:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 18:22:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 18:22:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 18:22:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 18:22:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 18:22:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-04 18:22:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-04 18:22:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-04 18:22:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-04 18:22:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-04 18:22:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-04 18:22:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-04 18:22:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-04 18:22:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-04 18:22:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-04 18:22:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-04 18:22:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-04 18:22:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 18:22:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 18:22:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 18:22:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 18:22:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 18:22:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 18:22:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 18:22:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-04 18:22:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-04 18:22:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-04 18:22:21,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-04 18:22:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-04 18:22:21,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-04 18:22:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-04 18:22:21,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-04 18:22:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-04 18:22:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-04 18:22:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-04 18:22:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-04 18:22:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-04 18:22:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-04 18:22:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-04 18:22:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-04 18:22:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-04 18:22:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-04 18:22:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-04 18:22:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-04 18:22:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-04 18:22:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-04 18:22:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-04 18:22:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-04 18:22:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-04 18:22:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-04 18:22:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-04 18:22:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-04 18:22:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 18:22:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 18:22:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2024-11-04 18:22:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2024-11-04 18:22:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-04 18:22:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-04 18:22:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-04 18:22:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-04 18:22:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-04 18:22:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-04 18:22:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2024-11-04 18:22:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2024-11-04 18:22:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-04 18:22:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-04 18:22:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-04 18:22:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-04 18:22:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-04 18:22:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-04 18:22:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2024-11-04 18:22:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2024-11-04 18:22:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-04 18:22:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-04 18:22:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-04 18:22:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-04 18:22:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-04 18:22:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 18:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 18:22:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-04 18:22:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-04 18:22:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-04 18:22:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-04 18:22:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-04 18:22:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-04 18:22:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-04 18:22:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2024-11-04 18:22:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2024-11-04 18:22:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 18:22:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 18:22:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 18:22:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-04 18:22:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-04 18:22:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-04 18:22:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-04 18:22:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 18:22:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 18:22:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-04 18:22:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-04 18:22:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-04 18:22:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-04 18:22:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-04 18:22:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-04 18:22:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-04 18:22:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-04 18:22:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-04 18:22:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-04 18:22:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-04 18:22:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-04 18:22:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-04 18:22:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 18:22:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 18:22:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 18:22:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 18:22:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 18:22:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 18:22:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 18:22:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-04 18:22:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-04 18:22:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-04 18:22:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-04 18:22:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-04 18:22:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-04 18:22:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2024-11-04 18:22:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2024-11-04 18:22:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 18:22:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 18:22:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 18:22:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 18:22:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 18:22:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 18:22:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 18:22:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 18:22:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 18:22:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-04 18:22:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-04 18:22:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-04 18:22:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-04 18:22:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2024-11-04 18:22:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2024-11-04 18:22:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-04 18:22:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-04 18:22:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-04 18:22:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-04 18:22:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 18:22:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 18:22:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 18:22:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 18:22:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 18:22:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 18:22:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 18:22:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-04 18:22:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-04 18:22:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-04 18:22:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-04 18:22:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2024-11-04 18:22:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2024-11-04 18:22:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-04 18:22:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-04 18:22:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-04 18:22:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-04 18:22:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-04 18:22:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-04 18:22:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-04 18:22:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-04 18:22:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-04 18:22:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-04 18:22:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-04 18:22:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-04 18:22:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-04 18:22:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-04 18:22:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-04 18:22:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-04 18:22:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-04 18:22:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 18:22:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 18:22:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2024-11-04 18:22:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2024-11-04 18:22:22,111 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 18:22:22,115 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 18:22:22,165 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-04 18:22:32,382 INFO L? ?]: Removed 1096 outVars from TransFormulas that were not future-live. [2024-11-04 18:22:32,382 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 18:22:32,432 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 18:22:32,432 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-04 18:22:32,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 06:22:32 BoogieIcfgContainer [2024-11-04 18:22:32,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 18:22:32,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 18:22:32,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 18:22:32,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 18:22:32,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 06:22:19" (1/3) ... [2024-11-04 18:22:32,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6051e5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 06:22:32, skipping insertion in model container [2024-11-04 18:22:32,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:20" (2/3) ... [2024-11-04 18:22:32,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6051e5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 06:22:32, skipping insertion in model container [2024-11-04 18:22:32,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 06:22:32" (3/3) ... [2024-11-04 18:22:32,448 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2024-11-04 18:22:32,468 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 18:22:32,468 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 18:22:32,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 18:22:32,582 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;@4177d079, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 18:22:32,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 18:22:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 657 states, 491 states have (on average 1.384928716904277) internal successors, (680), 506 states have internal predecessors, (680), 124 states have call successors, (124), 41 states have call predecessors, (124), 40 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-04 18:22:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-04 18:22:32,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:22:32,606 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:22:32,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:22:32,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:22:32,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1433642524, now seen corresponding path program 1 times [2024-11-04 18:22:32,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:22:32,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045219122] [2024-11-04 18:22:32,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:22:32,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:32,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:22:32,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:22:32,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 18:22:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:22:33,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 18:22:33,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:22:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:22:33,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:22:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:22:34,514 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:22:34,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045219122] [2024-11-04 18:22:34,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2045219122] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:22:34,515 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:22:34,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-04 18:22:34,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165553443] [2024-11-04 18:22:34,518 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:22:34,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 18:22:34,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:22:34,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 18:22:34,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 18:22:34,552 INFO L87 Difference]: Start difference. First operand has 657 states, 491 states have (on average 1.384928716904277) internal successors, (680), 506 states have internal predecessors, (680), 124 states have call successors, (124), 41 states have call predecessors, (124), 40 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-04 18:22:38,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 18:22:43,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:22:43,001 INFO L93 Difference]: Finished difference Result 2514 states and 3646 transitions. [2024-11-04 18:22:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 18:22:43,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78 [2024-11-04 18:22:43,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:22:43,030 INFO L225 Difference]: With dead ends: 2514 [2024-11-04 18:22:43,030 INFO L226 Difference]: Without dead ends: 1841 [2024-11-04 18:22:43,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 18:22:43,043 INFO L432 NwaCegarLoop]: 946 mSDtfsCounter, 2339 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 216 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2339 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-04 18:22:43,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2339 Valid, 2443 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 252 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2024-11-04 18:22:43,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-11-04 18:22:43,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2024-11-04 18:22:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1393 states have (on average 1.3711414213926776) internal successors, (1910), 1420 states have internal predecessors, (1910), 330 states have call successors, (330), 118 states have call predecessors, (330), 117 states have return successors, (329), 323 states have call predecessors, (329), 329 states have call successors, (329) [2024-11-04 18:22:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2569 transitions. [2024-11-04 18:22:43,225 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2569 transitions. Word has length 78 [2024-11-04 18:22:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:22:43,226 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2569 transitions. [2024-11-04 18:22:43,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-04 18:22:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2569 transitions. [2024-11-04 18:22:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-04 18:22:43,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:22:43,231 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:22:43,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-04 18:22:43,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:43,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:22:43,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:22:43,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1495644058, now seen corresponding path program 1 times [2024-11-04 18:22:43,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:22:43,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533764133] [2024-11-04 18:22:43,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:22:43,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:43,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:22:43,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:22:43,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 18:22:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:22:44,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 18:22:44,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:22:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:22:44,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:22:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:22:45,309 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:22:45,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533764133] [2024-11-04 18:22:45,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1533764133] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:22:45,309 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:22:45,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-04 18:22:45,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247910950] [2024-11-04 18:22:45,310 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:22:45,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 18:22:45,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:22:45,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 18:22:45,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 18:22:45,313 INFO L87 Difference]: Start difference. First operand 1841 states and 2569 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-04 18:22:45,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:22:45,934 INFO L93 Difference]: Finished difference Result 3667 states and 5113 transitions. [2024-11-04 18:22:45,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 18:22:45,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 82 [2024-11-04 18:22:45,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:22:45,962 INFO L225 Difference]: With dead ends: 3667 [2024-11-04 18:22:45,962 INFO L226 Difference]: Without dead ends: 1850 [2024-11-04 18:22:45,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-04 18:22:45,972 INFO L432 NwaCegarLoop]: 903 mSDtfsCounter, 897 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 18:22:45,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2709 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 18:22:45,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2024-11-04 18:22:46,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1844. [2024-11-04 18:22:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1844 states, 1396 states have (on average 1.3696275071633237) internal successors, (1912), 1423 states have internal predecessors, (1912), 330 states have call successors, (330), 118 states have call predecessors, (330), 117 states have return successors, (329), 323 states have call predecessors, (329), 329 states have call successors, (329) [2024-11-04 18:22:46,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2571 transitions. [2024-11-04 18:22:46,203 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2571 transitions. Word has length 82 [2024-11-04 18:22:46,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:22:46,204 INFO L471 AbstractCegarLoop]: Abstraction has 1844 states and 2571 transitions. [2024-11-04 18:22:46,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-04 18:22:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2571 transitions. [2024-11-04 18:22:46,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-04 18:22:46,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:22:46,213 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:22:46,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 18:22:46,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:46,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:22:46,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:22:46,417 INFO L85 PathProgramCache]: Analyzing trace with hash 952448389, now seen corresponding path program 1 times [2024-11-04 18:22:46,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:22:46,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236230263] [2024-11-04 18:22:46,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:22:46,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:46,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:22:46,424 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:22:46,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 18:22:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:22:47,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 18:22:47,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:22:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:22:47,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:22:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:22:49,236 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:22:49,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236230263] [2024-11-04 18:22:49,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [236230263] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:22:49,236 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:22:49,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-04 18:22:49,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345242563] [2024-11-04 18:22:49,237 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:22:49,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 18:22:49,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:22:49,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 18:22:49,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-04 18:22:49,244 INFO L87 Difference]: Start difference. First operand 1844 states and 2571 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-04 18:22:50,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:22:50,404 INFO L93 Difference]: Finished difference Result 5481 states and 7712 transitions. [2024-11-04 18:22:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 18:22:50,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87 [2024-11-04 18:22:50,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:22:50,437 INFO L225 Difference]: With dead ends: 5481 [2024-11-04 18:22:50,437 INFO L226 Difference]: Without dead ends: 3653 [2024-11-04 18:22:50,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-04 18:22:50,451 INFO L432 NwaCegarLoop]: 911 mSDtfsCounter, 873 mSDsluCounter, 3597 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-04 18:22:50,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 4508 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-04 18:22:50,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2024-11-04 18:22:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 3641. [2024-11-04 18:22:50,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2758 states have (on average 1.3709209572153735) internal successors, (3781), 2812 states have internal predecessors, (3781), 648 states have call successors, (648), 235 states have call predecessors, (648), 234 states have return successors, (704), 635 states have call predecessors, (704), 647 states have call successors, (704) [2024-11-04 18:22:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5133 transitions. [2024-11-04 18:22:50,674 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5133 transitions. Word has length 87 [2024-11-04 18:22:50,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:22:50,675 INFO L471 AbstractCegarLoop]: Abstraction has 3641 states and 5133 transitions. [2024-11-04 18:22:50,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-04 18:22:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5133 transitions. [2024-11-04 18:22:50,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-04 18:22:50,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:22:50,691 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:22:50,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-04 18:22:50,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:50,892 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:22:50,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:22:50,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1850097960, now seen corresponding path program 1 times [2024-11-04 18:22:50,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:22:50,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149491870] [2024-11-04 18:22:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:22:50,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:50,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:22:50,900 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:22:50,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 18:22:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:22:51,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 18:22:51,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:22:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:22:52,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:22:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:22:52,993 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:22:52,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149491870] [2024-11-04 18:22:52,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1149491870] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:22:52,994 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:22:52,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 18:22:52,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500287984] [2024-11-04 18:22:52,994 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:22:52,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 18:22:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:22:52,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 18:22:52,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:22:52,996 INFO L87 Difference]: Start difference. First operand 3641 states and 5133 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-04 18:22:53,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:22:53,857 INFO L93 Difference]: Finished difference Result 9271 states and 13011 transitions. [2024-11-04 18:22:53,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 18:22:53,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 133 [2024-11-04 18:22:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:22:53,901 INFO L225 Difference]: With dead ends: 9271 [2024-11-04 18:22:53,901 INFO L226 Difference]: Without dead ends: 5654 [2024-11-04 18:22:53,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:22:53,921 INFO L432 NwaCegarLoop]: 917 mSDtfsCounter, 511 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-04 18:22:53,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1745 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-04 18:22:53,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5654 states. [2024-11-04 18:22:54,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5654 to 5642. [2024-11-04 18:22:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5642 states, 4292 states have (on average 1.3704566635601119) internal successors, (5882), 4355 states have internal predecessors, (5882), 965 states have call successors, (965), 385 states have call predecessors, (965), 384 states have return successors, (1048), 949 states have call predecessors, (1048), 964 states have call successors, (1048) [2024-11-04 18:22:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5642 states to 5642 states and 7895 transitions. [2024-11-04 18:22:54,286 INFO L78 Accepts]: Start accepts. Automaton has 5642 states and 7895 transitions. Word has length 133 [2024-11-04 18:22:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:22:54,287 INFO L471 AbstractCegarLoop]: Abstraction has 5642 states and 7895 transitions. [2024-11-04 18:22:54,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-04 18:22:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 5642 states and 7895 transitions. [2024-11-04 18:22:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-04 18:22:54,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:22:54,303 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:22:54,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-04 18:22:54,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:54,504 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:22:54,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:22:54,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1704172364, now seen corresponding path program 1 times [2024-11-04 18:22:54,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:22:54,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118049672] [2024-11-04 18:22:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:22:54,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:54,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:22:54,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:22:54,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-04 18:22:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:22:55,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 18:22:55,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:22:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-04 18:22:55,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:22:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-04 18:22:56,386 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:22:56,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118049672] [2024-11-04 18:22:56,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1118049672] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:22:56,386 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:22:56,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 18:22:56,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035809697] [2024-11-04 18:22:56,387 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:22:56,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 18:22:56,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:22:56,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 18:22:56,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:22:56,389 INFO L87 Difference]: Start difference. First operand 5642 states and 7895 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-04 18:22:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:22:56,652 INFO L93 Difference]: Finished difference Result 8482 states and 11968 transitions. [2024-11-04 18:22:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 18:22:56,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-04 18:22:56,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:22:56,698 INFO L225 Difference]: With dead ends: 8482 [2024-11-04 18:22:56,698 INFO L226 Difference]: Without dead ends: 5654 [2024-11-04 18:22:56,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:22:56,718 INFO L432 NwaCegarLoop]: 900 mSDtfsCounter, 3 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-04 18:22:56,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1792 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-04 18:22:56,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5654 states. [2024-11-04 18:22:57,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5654 to 5654. [2024-11-04 18:22:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5654 states, 4304 states have (on average 1.3694237918215613) internal successors, (5894), 4367 states have internal predecessors, (5894), 965 states have call successors, (965), 385 states have call predecessors, (965), 384 states have return successors, (1048), 949 states have call predecessors, (1048), 964 states have call successors, (1048) [2024-11-04 18:22:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5654 states to 5654 states and 7907 transitions. [2024-11-04 18:22:57,069 INFO L78 Accepts]: Start accepts. Automaton has 5654 states and 7907 transitions. Word has length 151 [2024-11-04 18:22:57,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:22:57,070 INFO L471 AbstractCegarLoop]: Abstraction has 5654 states and 7907 transitions. [2024-11-04 18:22:57,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-04 18:22:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 5654 states and 7907 transitions. [2024-11-04 18:22:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-04 18:22:57,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:22:57,089 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:22:57,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-04 18:22:57,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:57,296 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:22:57,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:22:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash -803913707, now seen corresponding path program 1 times [2024-11-04 18:22:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:22:57,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890854820] [2024-11-04 18:22:57,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:22:57,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:57,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:22:57,299 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:22:57,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-04 18:22:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:22:58,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 18:22:58,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:22:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-04 18:22:58,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:22:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-04 18:22:59,544 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:22:59,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890854820] [2024-11-04 18:22:59,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [890854820] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:22:59,544 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:22:59,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-04 18:22:59,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994422743] [2024-11-04 18:22:59,544 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:22:59,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 18:22:59,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:22:59,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 18:22:59,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 18:22:59,546 INFO L87 Difference]: Start difference. First operand 5654 states and 7907 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-04 18:23:03,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 18:23:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:07,380 INFO L93 Difference]: Finished difference Result 16258 states and 22757 transitions. [2024-11-04 18:23:07,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 18:23:07,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 153 [2024-11-04 18:23:07,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:07,471 INFO L225 Difference]: With dead ends: 16258 [2024-11-04 18:23:07,471 INFO L226 Difference]: Without dead ends: 10628 [2024-11-04 18:23:07,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 18:23:07,505 INFO L432 NwaCegarLoop]: 1360 mSDtfsCounter, 1227 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:07,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 2840 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-11-04 18:23:07,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10628 states. [2024-11-04 18:23:08,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10628 to 10604. [2024-11-04 18:23:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10604 states, 8176 states have (on average 1.3727984344422701) internal successors, (11224), 8269 states have internal predecessors, (11224), 1683 states have call successors, (1683), 745 states have call predecessors, (1683), 744 states have return successors, (1829), 1661 states have call predecessors, (1829), 1682 states have call successors, (1829) [2024-11-04 18:23:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10604 states to 10604 states and 14736 transitions. [2024-11-04 18:23:08,180 INFO L78 Accepts]: Start accepts. Automaton has 10604 states and 14736 transitions. Word has length 153 [2024-11-04 18:23:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:08,180 INFO L471 AbstractCegarLoop]: Abstraction has 10604 states and 14736 transitions. [2024-11-04 18:23:08,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-04 18:23:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 10604 states and 14736 transitions. [2024-11-04 18:23:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-04 18:23:08,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:08,203 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:23:08,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-04 18:23:08,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:08,404 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:08,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:08,406 INFO L85 PathProgramCache]: Analyzing trace with hash -959896243, now seen corresponding path program 1 times [2024-11-04 18:23:08,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:08,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543837246] [2024-11-04 18:23:08,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:08,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:08,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:08,409 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:08,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-04 18:23:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:09,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 18:23:09,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:23:09,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-04 18:23:10,965 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:10,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543837246] [2024-11-04 18:23:10,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [543837246] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:23:10,966 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:23:10,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 18:23:10,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120173693] [2024-11-04 18:23:10,966 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:23:10,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 18:23:10,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:10,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 18:23:10,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:23:10,969 INFO L87 Difference]: Start difference. First operand 10604 states and 14736 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-04 18:23:11,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:11,720 INFO L93 Difference]: Finished difference Result 25044 states and 34599 transitions. [2024-11-04 18:23:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 18:23:11,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 156 [2024-11-04 18:23:11,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:11,824 INFO L225 Difference]: With dead ends: 25044 [2024-11-04 18:23:11,825 INFO L226 Difference]: Without dead ends: 14464 [2024-11-04 18:23:11,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 309 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 18:23:11,943 INFO L432 NwaCegarLoop]: 1347 mSDtfsCounter, 562 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 2205 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:11,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 2205 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-04 18:23:11,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14464 states. [2024-11-04 18:23:12,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14464 to 14405. [2024-11-04 18:23:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14405 states, 11183 states have (on average 1.367075024590897) internal successors, (15288), 11338 states have internal predecessors, (15288), 2162 states have call successors, (2162), 1060 states have call predecessors, (2162), 1059 states have return successors, (2356), 2126 states have call predecessors, (2356), 2161 states have call successors, (2356) [2024-11-04 18:23:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14405 states to 14405 states and 19806 transitions. [2024-11-04 18:23:12,811 INFO L78 Accepts]: Start accepts. Automaton has 14405 states and 19806 transitions. Word has length 156 [2024-11-04 18:23:12,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:12,812 INFO L471 AbstractCegarLoop]: Abstraction has 14405 states and 19806 transitions. [2024-11-04 18:23:12,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-04 18:23:12,812 INFO L276 IsEmpty]: Start isEmpty. Operand 14405 states and 19806 transitions. [2024-11-04 18:23:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-04 18:23:12,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:12,964 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:23:12,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-04 18:23:13,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:13,165 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:13,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:13,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2063003333, now seen corresponding path program 1 times [2024-11-04 18:23:13,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:13,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749497921] [2024-11-04 18:23:13,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:13,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:13,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:13,171 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:13,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-04 18:23:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:14,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-04 18:23:14,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-04 18:23:16,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-04 18:23:20,879 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:20,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749497921] [2024-11-04 18:23:20,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1749497921] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:23:20,879 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:23:20,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2024-11-04 18:23:20,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040663068] [2024-11-04 18:23:20,879 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:23:20,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-04 18:23:20,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:20,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-04 18:23:20,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-04 18:23:20,880 INFO L87 Difference]: Start difference. First operand 14405 states and 19806 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 9 states have internal predecessors, (132), 7 states have call successors, (26), 5 states have call predecessors, (26), 3 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2024-11-04 18:23:24,912 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 18:23:28,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 18:23:32,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []