/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:34:15,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:34:15,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:34:15,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:34:15,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:34:15,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:34:15,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:34:15,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:34:15,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:34:15,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:34:15,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:34:15,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:34:15,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:34:15,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:34:15,244 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:34:15,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:34:15,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:34:15,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:34:15,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:34:15,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:34:15,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:34:15,249 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:34:15,249 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:34:15,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:34:15,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:34:15,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:34:15,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:34:15,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:34:15,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:34:15,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:34:15,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:34:15,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:34:15,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:34:15,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:34:15,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:34:15,253 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:34:15,253 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:34:15,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:34:15,254 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:34:15,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:34:15,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:34:15,255 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:34:15,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:34:15,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:34:15,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:34:15,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:34:15,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:34:15,503 INFO L431 ainManager$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 [2024-11-05 11:34:16,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:34:17,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:34:17,343 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 [2024-11-05 11:34:17,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb421626d/25cb0dee7336476d98424d2a0b580a4d/FLAGd329ef7de [2024-11-05 11:34:17,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb421626d/25cb0dee7336476d98424d2a0b580a4d [2024-11-05 11:34:17,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:34:17,399 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:34:17,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:34:17,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:34:17,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:34:17,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:34:17" (1/1) ... [2024-11-05 11:34:17,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55315e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:17, skipping insertion in model container [2024-11-05 11:34:17,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:34:17" (1/1) ... [2024-11-05 11:34:17,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:34:18,417 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,479 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] [2024-11-05 11:34:18,617 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,645 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,672 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,678 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,679 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,680 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,692 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,694 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,752 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,802 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,809 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,809 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,814 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,817 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,819 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,833 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,833 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,845 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,846 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,849 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,849 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,850 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,850 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,850 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,851 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,851 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,851 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,852 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,852 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,907 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:34:18,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:34:18,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:34:19,150 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] [2024-11-05 11:34:19,152 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] [2024-11-05 11:34:19,153 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] [2024-11-05 11:34:19,154 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] [2024-11-05 11:34:19,156 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] [2024-11-05 11:34:19,156 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] [2024-11-05 11:34:19,179 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] [2024-11-05 11:34:19,205 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] [2024-11-05 11:34:19,206 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] [2024-11-05 11:34:19,206 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] [2024-11-05 11:34:19,206 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] [2024-11-05 11:34:19,206 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] [2024-11-05 11:34:19,207 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] [2024-11-05 11:34:19,207 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] [2024-11-05 11:34:19,208 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] [2024-11-05 11:34:19,208 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] [2024-11-05 11:34:19,208 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] [2024-11-05 11:34:19,209 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] [2024-11-05 11:34:19,209 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] [2024-11-05 11:34:19,209 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] [2024-11-05 11:34:19,211 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] [2024-11-05 11:34:19,211 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] [2024-11-05 11:34:19,219 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] [2024-11-05 11:34:19,220 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] [2024-11-05 11:34:19,220 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] [2024-11-05 11:34:19,220 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] [2024-11-05 11:34:19,220 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] [2024-11-05 11:34:19,221 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] [2024-11-05 11:34:19,223 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] [2024-11-05 11:34:19,223 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] [2024-11-05 11:34:19,224 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] [2024-11-05 11:34:19,224 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] [2024-11-05 11:34:19,224 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] [2024-11-05 11:34:19,224 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] [2024-11-05 11:34:19,225 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] [2024-11-05 11:34:19,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6241-6242] [2024-11-05 11:34:19,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6245-6246] [2024-11-05 11:34:19,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6249-6250] [2024-11-05 11:34:19,226 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] [2024-11-05 11:34:19,226 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] [2024-11-05 11:34:19,229 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] [2024-11-05 11:34:19,229 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] [2024-11-05 11:34:19,229 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] [2024-11-05 11:34:19,230 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] [2024-11-05 11:34:19,230 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] [2024-11-05 11:34:19,230 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] [2024-11-05 11:34:19,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:34:19,345 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:34:19,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19 WrapperNode [2024-11-05 11:34:19,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:34:19,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:34:19,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:34:19,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:34:19,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,503 INFO L138 Inliner]: procedures = 188, calls = 475, calls flagged for inlining = 92, calls inlined = 85, statements flattened = 1836 [2024-11-05 11:34:19,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:34:19,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:34:19,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:34:19,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:34:19,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,767 INFO L175 MemorySlicer]: Split 190 memory accesses to 9 slices as follows [2, 1, 7, 24, 20, 2, 1, 120, 13]. 63 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 1, 0, 0, 15, 2, 1, 10, 0]. The 86 writes are split as follows [0, 0, 6, 24, 2, 0, 0, 41, 13]. [2024-11-05 11:34:19,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:34:19,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:34:19,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:34:19,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:34:19,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (1/1) ... [2024-11-05 11:34:19,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:34:19,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:34:19,952 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) [2024-11-05 11:34:19,959 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 [2024-11-05 11:34:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-05 11:34:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-05 11:34:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2024-11-05 11:34:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2024-11-05 11:34:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2024-11-05 11:34:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2024-11-05 11:34:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 11:34:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 11:34:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 11:34:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 11:34:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 11:34:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 11:34:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 11:34:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 11:34:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 11:34:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:34:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:34:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:34:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:34:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:34:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:34:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:34:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 11:34:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 11:34:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-05 11:34:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-05 11:34:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:34:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:34:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:34:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:34:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:34:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:34:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 11:34:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-05 11:34:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-05 11:34:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-05 11:34:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:34:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:34:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:34:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:34:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:34:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:34:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:34:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 11:34:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 11:34:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:34:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:34:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-05 11:34:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-05 11:34:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-05 11:34:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-05 11:34:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-05 11:34:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-05 11:34:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-05 11:34:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-05 11:34:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-05 11:34:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-05 11:34:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-05 11:34:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-05 11:34:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-05 11:34:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-05 11:34:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-05 11:34:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-05 11:34:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-05 11:34:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-05 11:34:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-05 11:34:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-05 11:34:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-05 11:34:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-05 11:34:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-05 11:34:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-05 11:34:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:34:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:34:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2024-11-05 11:34:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2024-11-05 11:34:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-05 11:34:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-05 11:34:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-05 11:34:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-05 11:34:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-05 11:34:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-05 11:34:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2024-11-05 11:34:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2024-11-05 11:34:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 11:34:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 11:34:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:34:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:34:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-05 11:34:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-05 11:34:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2024-11-05 11:34:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2024-11-05 11:34:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:34:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:34:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:34:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:34:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:34:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:34:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:34:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 11:34:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 11:34:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 11:34:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 11:34:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:34:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 11:34:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 11:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 11:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 11:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 11:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 11:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-05 11:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-05 11:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 11:34:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 11:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-05 11:34:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-05 11:34:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2024-11-05 11:34:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2024-11-05 11:34:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:34:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:34:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:34:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-05 11:34:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-05 11:34:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 11:34:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 11:34:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:34:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 11:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-05 11:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-05 11:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-05 11:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-05 11:34:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-05 11:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-05 11:34:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-05 11:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 11:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 11:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-05 11:34:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-05 11:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-05 11:34:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-05 11:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2024-11-05 11:34:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 11:34:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:34:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 11:34:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 11:34:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-05 11:34:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-05 11:34:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2024-11-05 11:34:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2024-11-05 11:34:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-05 11:34:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-05 11:34:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 11:34:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 11:34:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:34:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:34:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:34:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:34:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:34:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:34:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:34:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 11:34:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 11:34:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-05 11:34:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-05 11:34:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2024-11-05 11:34:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2024-11-05 11:34:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-05 11:34:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-05 11:34:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 11:34:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 11:34:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 11:34:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 11:34:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 11:34:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 11:34:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 11:34:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-05 11:34:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-05 11:34:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-05 11:34:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-05 11:34:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 11:34:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 11:34:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-05 11:34:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-05 11:34:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:34:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:34:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2024-11-05 11:34:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2024-11-05 11:34:20,647 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:34:20,651 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:34:20,698 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:34:30,835 INFO L? ?]: Removed 1096 outVars from TransFormulas that were not future-live. [2024-11-05 11:34:30,835 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:34:30,870 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:34:30,871 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 11:34:30,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:34:30 BoogieIcfgContainer [2024-11-05 11:34:30,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:34:30,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:34:30,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:34:30,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:34:30,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:34:17" (1/3) ... [2024-11-05 11:34:30,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246c53ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:34:30, skipping insertion in model container [2024-11-05 11:34:30,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:19" (2/3) ... [2024-11-05 11:34:30,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246c53ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:34:30, skipping insertion in model container [2024-11-05 11:34:30,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:34:30" (3/3) ... [2024-11-05 11:34:30,879 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 [2024-11-05 11:34:30,896 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:34:30,896 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:34:30,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:34:31,000 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;@79246111, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:34:31,000 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:34:31,006 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) [2024-11-05 11:34:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-05 11:34:31,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:31,019 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] [2024-11-05 11:34:31,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:31,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1433642524, now seen corresponding path program 1 times [2024-11-05 11:34:31,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:31,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575078271] [2024-11-05 11:34:31,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:31,035 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:31,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:31,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:31,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:34:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:31,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:31,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:31,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:32,491 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:32,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575078271] [2024-11-05 11:34:32,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [575078271] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:32,492 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:32,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:34:32,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019295345] [2024-11-05 11:34:32,496 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:32,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:34:32,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:32,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:34:32,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:32,525 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) [2024-11-05 11:34:36,573 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 [] [2024-11-05 11:34:39,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:39,960 INFO L93 Difference]: Finished difference Result 2514 states and 3646 transitions. [2024-11-05 11:34:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:34:39,963 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 [2024-11-05 11:34:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:39,997 INFO L225 Difference]: With dead ends: 2514 [2024-11-05 11:34:39,997 INFO L226 Difference]: Without dead ends: 1841 [2024-11-05 11:34:40,007 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 [2024-11-05 11:34:40,010 INFO L432 NwaCegarLoop]: 946 mSDtfsCounter, 2339 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 216 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2339 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:40,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2339 Valid, 2443 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 252 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-11-05 11:34:40,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-11-05 11:34:40,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2024-11-05 11:34:40,213 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) [2024-11-05 11:34:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2569 transitions. [2024-11-05 11:34:40,237 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2569 transitions. Word has length 78 [2024-11-05 11:34:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:40,238 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2569 transitions. [2024-11-05 11:34:40,238 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) [2024-11-05 11:34:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2569 transitions. [2024-11-05 11:34:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-05 11:34:40,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:40,244 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] [2024-11-05 11:34:40,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:34:40,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:40,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:40,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:40,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1495644058, now seen corresponding path program 1 times [2024-11-05 11:34:40,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:40,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359235985] [2024-11-05 11:34:40,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:40,454 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:40,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:40,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:40,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:34:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:41,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:34:41,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:41,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:41,775 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:41,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359235985] [2024-11-05 11:34:41,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1359235985] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:41,776 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:41,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-05 11:34:41,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830536576] [2024-11-05 11:34:41,776 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:41,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 11:34:41,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:41,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 11:34:41,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 11:34:41,779 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) [2024-11-05 11:34:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:42,324 INFO L93 Difference]: Finished difference Result 3667 states and 5113 transitions. [2024-11-05 11:34:42,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:34:42,325 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 [2024-11-05 11:34:42,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:42,339 INFO L225 Difference]: With dead ends: 3667 [2024-11-05 11:34:42,339 INFO L226 Difference]: Without dead ends: 1850 [2024-11-05 11:34:42,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:34:42,347 INFO L432 NwaCegarLoop]: 903 mSDtfsCounter, 897 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:42,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2709 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:34:42,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2024-11-05 11:34:42,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1844. [2024-11-05 11:34:42,475 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) [2024-11-05 11:34:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2571 transitions. [2024-11-05 11:34:42,488 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2571 transitions. Word has length 82 [2024-11-05 11:34:42,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:42,489 INFO L471 AbstractCegarLoop]: Abstraction has 1844 states and 2571 transitions. [2024-11-05 11:34:42,489 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) [2024-11-05 11:34:42,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2571 transitions. [2024-11-05 11:34:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-05 11:34:42,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:42,494 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] [2024-11-05 11:34:42,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 11:34:42,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:42,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:42,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:42,695 INFO L85 PathProgramCache]: Analyzing trace with hash 952448389, now seen corresponding path program 1 times [2024-11-05 11:34:42,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:42,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779111961] [2024-11-05 11:34:42,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:42,696 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:42,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:42,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:42,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:34:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:43,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:34:43,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:43,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:44,644 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:44,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779111961] [2024-11-05 11:34:44,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1779111961] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:44,645 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:44,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-05 11:34:44,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528258454] [2024-11-05 11:34:44,645 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:44,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 11:34:44,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:44,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 11:34:44,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:34:44,647 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) [2024-11-05 11:34:45,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:45,475 INFO L93 Difference]: Finished difference Result 5481 states and 7712 transitions. [2024-11-05 11:34:45,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:34:45,476 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 [2024-11-05 11:34:45,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:45,500 INFO L225 Difference]: With dead ends: 5481 [2024-11-05 11:34:45,500 INFO L226 Difference]: Without dead ends: 3653 [2024-11-05 11:34:45,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-05 11:34:45,509 INFO L432 NwaCegarLoop]: 914 mSDtfsCounter, 873 mSDsluCounter, 3606 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 4520 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:45,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 4520 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 11:34:45,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2024-11-05 11:34:45,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 3641. [2024-11-05 11:34:45,713 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) [2024-11-05 11:34:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5133 transitions. [2024-11-05 11:34:45,734 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5133 transitions. Word has length 87 [2024-11-05 11:34:45,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:45,734 INFO L471 AbstractCegarLoop]: Abstraction has 3641 states and 5133 transitions. [2024-11-05 11:34:45,734 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) [2024-11-05 11:34:45,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5133 transitions. [2024-11-05 11:34:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-05 11:34:45,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:45,747 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] [2024-11-05 11:34:45,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:34:45,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:45,947 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:45,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:45,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1850097960, now seen corresponding path program 1 times [2024-11-05 11:34:45,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:45,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800827053] [2024-11-05 11:34:45,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:45,949 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:45,953 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:45,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:34:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:46,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:46,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:46,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:47,428 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:47,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800827053] [2024-11-05 11:34:47,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1800827053] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:47,428 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:47,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:34:47,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156565283] [2024-11-05 11:34:47,428 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:47,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:34:47,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:47,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:34:47,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:47,430 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) [2024-11-05 11:34:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:48,083 INFO L93 Difference]: Finished difference Result 9271 states and 13011 transitions. [2024-11-05 11:34:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:34:48,084 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 [2024-11-05 11:34:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:48,119 INFO L225 Difference]: With dead ends: 9271 [2024-11-05 11:34:48,119 INFO L226 Difference]: Without dead ends: 5654 [2024-11-05 11:34:48,135 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 [2024-11-05 11:34:48,137 INFO L432 NwaCegarLoop]: 917 mSDtfsCounter, 511 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:48,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1745 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 11:34:48,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5654 states. [2024-11-05 11:34:48,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5654 to 5642. [2024-11-05 11:34:48,443 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) [2024-11-05 11:34:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5642 states to 5642 states and 7895 transitions. [2024-11-05 11:34:48,473 INFO L78 Accepts]: Start accepts. Automaton has 5642 states and 7895 transitions. Word has length 133 [2024-11-05 11:34:48,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:48,474 INFO L471 AbstractCegarLoop]: Abstraction has 5642 states and 7895 transitions. [2024-11-05 11:34:48,474 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) [2024-11-05 11:34:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 5642 states and 7895 transitions. [2024-11-05 11:34:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-05 11:34:48,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:48,486 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] [2024-11-05 11:34:48,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-05 11:34:48,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:48,687 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:48,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:48,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1704172364, now seen corresponding path program 1 times [2024-11-05 11:34:48,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:48,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003640990] [2024-11-05 11:34:48,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:48,690 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:48,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:48,692 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:48,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:34:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:49,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:49,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-05 11:34:49,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-05 11:34:50,483 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:50,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003640990] [2024-11-05 11:34:50,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1003640990] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:50,483 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:50,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:34:50,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592969388] [2024-11-05 11:34:50,484 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:50,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:34:50,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:50,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:34:50,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:50,485 INFO L87 Difference]: Start difference. First operand 5642 states and 7895 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-05 11:34:54,518 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 [] [2024-11-05 11:34:57,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:34:57,177 INFO L93 Difference]: Finished difference Result 16222 states and 22721 transitions. [2024-11-05 11:34:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:34:57,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 151 [2024-11-05 11:34:57,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:34:57,241 INFO L225 Difference]: With dead ends: 16222 [2024-11-05 11:34:57,241 INFO L226 Difference]: Without dead ends: 10604 [2024-11-05 11:34:57,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:34:57,266 INFO L432 NwaCegarLoop]: 1360 mSDtfsCounter, 1227 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:34:57,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 2840 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-05 11:34:57,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10604 states. [2024-11-05 11:34:57,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10604 to 10580. [2024-11-05 11:34:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10580 states, 8152 states have (on average 1.3738959764474976) internal successors, (11200), 8245 states have internal predecessors, (11200), 1683 states have call successors, (1683), 745 states have call predecessors, (1683), 744 states have return successors, (1829), 1661 states have call predecessors, (1829), 1682 states have call successors, (1829) [2024-11-05 11:34:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10580 states to 10580 states and 14712 transitions. [2024-11-05 11:34:57,884 INFO L78 Accepts]: Start accepts. Automaton has 10580 states and 14712 transitions. Word has length 151 [2024-11-05 11:34:57,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:34:57,886 INFO L471 AbstractCegarLoop]: Abstraction has 10580 states and 14712 transitions. [2024-11-05 11:34:57,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-05 11:34:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand 10580 states and 14712 transitions. [2024-11-05 11:34:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-05 11:34:57,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:34:57,903 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:34:57,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:34:58,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:58,104 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:34:58,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:34:58,105 INFO L85 PathProgramCache]: Analyzing trace with hash 979212878, now seen corresponding path program 1 times [2024-11-05 11:34:58,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:34:58,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091898184] [2024-11-05 11:34:58,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:34:58,105 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:34:58,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:34:58,107 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:34:58,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:34:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:34:58,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:34:58,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:34:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:58,853 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:34:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 11:34:59,647 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:34:59,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091898184] [2024-11-05 11:34:59,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2091898184] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:34:59,647 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:34:59,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:34:59,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842685980] [2024-11-05 11:34:59,648 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:34:59,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:34:59,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:34:59,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:34:59,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:34:59,649 INFO L87 Difference]: Start difference. First operand 10580 states and 14712 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-05 11:35:00,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:35:00,317 INFO L93 Difference]: Finished difference Result 24984 states and 34539 transitions. [2024-11-05 11:35:00,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:35:00,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 154 [2024-11-05 11:35:00,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:35:00,421 INFO L225 Difference]: With dead ends: 24984 [2024-11-05 11:35:00,421 INFO L226 Difference]: Without dead ends: 14428 [2024-11-05 11:35:00,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:35:00,455 INFO L432 NwaCegarLoop]: 1346 mSDtfsCounter, 562 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:35:00,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 2204 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:35:00,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14428 states. [2024-11-05 11:35:01,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14428 to 14369. [2024-11-05 11:35:01,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14369 states, 11147 states have (on average 1.3682605185251637) internal successors, (15252), 11302 states have internal predecessors, (15252), 2162 states have call successors, (2162), 1060 states have call predecessors, (2162), 1059 states have return successors, (2356), 2126 states have call predecessors, (2356), 2161 states have call successors, (2356) [2024-11-05 11:35:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14369 states to 14369 states and 19770 transitions. [2024-11-05 11:35:01,242 INFO L78 Accepts]: Start accepts. Automaton has 14369 states and 19770 transitions. Word has length 154 [2024-11-05 11:35:01,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:35:01,242 INFO L471 AbstractCegarLoop]: Abstraction has 14369 states and 19770 transitions. [2024-11-05 11:35:01,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-05 11:35:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 14369 states and 19770 transitions. [2024-11-05 11:35:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-05 11:35:01,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:35:01,265 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:35:01,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:35:01,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:01,470 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:35:01,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:35:01,470 INFO L85 PathProgramCache]: Analyzing trace with hash 978473828, now seen corresponding path program 1 times [2024-11-05 11:35:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:35:01,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936378629] [2024-11-05 11:35:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:35:01,471 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:35:01,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:01,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:35:01,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:35:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:35:02,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:35:02,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:35:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-05 11:35:02,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:35:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-05 11:35:02,873 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:35:02,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936378629] [2024-11-05 11:35:02,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [936378629] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:35:02,873 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:35:02,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:35:02,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335103294] [2024-11-05 11:35:02,873 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:35:02,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:35:02,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:35:02,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:35:02,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:35:02,875 INFO L87 Difference]: Start difference. First operand 14369 states and 19770 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-05 11:35:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:35:03,451 INFO L93 Difference]: Finished difference Result 21630 states and 30010 transitions. [2024-11-05 11:35:03,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:35:03,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-11-05 11:35:03,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:35:03,521 INFO L225 Difference]: With dead ends: 21630 [2024-11-05 11:35:03,521 INFO L226 Difference]: Without dead ends: 14405 [2024-11-05 11:35:03,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:35:03,551 INFO L432 NwaCegarLoop]: 900 mSDtfsCounter, 3 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:35:03,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1792 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:35:03,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14405 states. [2024-11-05 11:35:04,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14405 to 14405. [2024-11-05 11:35:04,245 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) [2024-11-05 11:35:04,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14405 states to 14405 states and 19806 transitions. [2024-11-05 11:35:04,304 INFO L78 Accepts]: Start accepts. Automaton has 14405 states and 19806 transitions. Word has length 156 [2024-11-05 11:35:04,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:35:04,304 INFO L471 AbstractCegarLoop]: Abstraction has 14405 states and 19806 transitions. [2024-11-05 11:35:04,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-05 11:35:04,305 INFO L276 IsEmpty]: Start isEmpty. Operand 14405 states and 19806 transitions. [2024-11-05 11:35:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-05 11:35:04,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:35:04,325 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] [2024-11-05 11:35:04,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-05 11:35:04,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:04,529 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:35:04,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:35:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2063003333, now seen corresponding path program 1 times [2024-11-05 11:35:04,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:35:04,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172401262] [2024-11-05 11:35:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:35:04,530 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:35:04,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:35:04,532 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:35:04,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:35:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:35:05,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-05 11:35:05,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:35:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-05 11:35:07,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:35:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-05 11:35:11,358 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:35:11,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172401262] [2024-11-05 11:35:11,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1172401262] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:35:11,358 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:35:11,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 6] imperfect sequences [] total 12 [2024-11-05 11:35:11,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731975625] [2024-11-05 11:35:11,359 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:35:11,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-05 11:35:11,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:35:11,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-05 11:35:11,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-05 11:35:11,362 INFO L87 Difference]: Start difference. First operand 14405 states and 19806 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 8 states have call successors, (27), 6 states have call predecessors, (27), 5 states have return successors, (26), 8 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-05 11:35:15,398 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 [] [2024-11-05 11:35:19,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:35:23,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:35:27,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:35:31,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []