/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 05:52:00,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 05:52:00,137 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 05:52:00,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 05:52:00,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 05:52:00,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 05:52:00,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 05:52:00,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 05:52:00,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 05:52:00,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 05:52:00,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 05:52:00,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 05:52:00,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 05:52:00,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 05:52:00,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 05:52:00,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 05:52:00,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 05:52:00,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 05:52:00,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 05:52:00,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 05:52:00,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 05:52:00,175 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 05:52:00,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 05:52:00,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 05:52:00,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 05:52:00,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 05:52:00,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 05:52:00,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 05:52:00,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 05:52:00,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 05:52:00,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 05:52:00,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:52:00,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 05:52:00,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 05:52:00,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 05:52:00,178 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 05:52:00,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 05:52:00,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 05:52:00,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 05:52:00,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 05:52:00,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 05:52:00,180 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:00,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 05:52:00,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 05:52:00,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 05:52:00,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 05:52:00,390 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 05:52:00,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-05 05:52:01,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 05:52:01,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 05:52:01,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-05 05:52:01,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c12f7d97/b26f7452f3f94f2db49b1522f09f1782/FLAG77c623646 [2024-11-05 05:52:02,156 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c12f7d97/b26f7452f3f94f2db49b1522f09f1782 [2024-11-05 05:52:02,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 05:52:02,160 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 05:52:02,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 05:52:02,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 05:52:02,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 05:52:02,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:52:02" (1/1) ... [2024-11-05 05:52:02,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab8b9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:02, skipping insertion in model container [2024-11-05 05:52:02,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:52:02" (1/1) ... [2024-11-05 05:52:02,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 05:52:03,023 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_async.ko-entry_point.cil.out.i[162928,162941] [2024-11-05 05:52:03,096 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 05:52:03,099 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 05:52:03,111 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 05:52:03,124 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 05:52:03,128 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 05:52:03,130 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 05:52:03,130 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 05:52:03,135 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 05:52:03,136 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 05:52:03,160 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 05:52:03,160 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 05:52:03,163 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 05:52:03,164 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 05:52:03,164 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 05:52:03,169 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 05:52:03,169 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 05:52:03,169 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 05:52:03,169 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 05:52:03,177 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 05:52:03,189 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 05:52:03,228 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 05:52:03,228 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 05:52:03,236 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 05:52:03,237 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 05:52:03,238 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 05:52:03,250 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 05:52:03,251 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 05:52:03,254 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 05:52:03,254 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 05:52:03,254 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 05:52:03,255 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 05:52:03,255 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 05:52:03,255 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 05:52:03,255 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 05:52:03,256 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 05:52:03,256 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 05:52:03,256 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 05:52:03,300 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 05:52:03,323 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 05:52:03,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:52:03,343 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 05:52:03,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5282] [2024-11-05 05:52:03,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5289] [2024-11-05 05:52:03,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5297-5298] [2024-11-05 05:52:03,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5306-5307] [2024-11-05 05:52:03,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5320] [2024-11-05 05:52:03,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5383] [2024-11-05 05:52:03,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5391-5392] [2024-11-05 05:52:03,484 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_async.ko-entry_point.cil.out.i[162928,162941] [2024-11-05 05:52:03,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5963] [2024-11-05 05:52:03,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5966] [2024-11-05 05:52:03,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5969] [2024-11-05 05:52:03,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5972] [2024-11-05 05:52:03,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5975] [2024-11-05 05:52:03,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5991-5992] [2024-11-05 05:52:03,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5995-5996] [2024-11-05 05:52:03,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5999-6000] [2024-11-05 05:52:03,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6003-6004] [2024-11-05 05:52:03,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6007-6008] [2024-11-05 05:52:03,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6031-6032] [2024-11-05 05:52:03,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6035-6036] [2024-11-05 05:52:03,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6039-6040] [2024-11-05 05:52:03,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6043-6044] [2024-11-05 05:52:03,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6047-6048] [2024-11-05 05:52:03,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6176] [2024-11-05 05:52:03,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6179] [2024-11-05 05:52:03,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6182] [2024-11-05 05:52:03,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6185] [2024-11-05 05:52:03,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6188] [2024-11-05 05:52:03,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [6200-6201] [2024-11-05 05:52:03,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6218-6219] [2024-11-05 05:52:03,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6222-6223] [2024-11-05 05:52:03,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6226-6227] [2024-11-05 05:52:03,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6230-6231] [2024-11-05 05:52:03,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6234-6235] [2024-11-05 05:52:03,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((u32 *)argp), "i" (4UL)); [6247-6248] [2024-11-05 05:52:03,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6261-6262] [2024-11-05 05:52:03,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6265-6266] [2024-11-05 05:52:03,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6269-6270] [2024-11-05 05:52:03,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6273-6274] [2024-11-05 05:52:03,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6277-6278] [2024-11-05 05:52:03,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" ((u32 *)argp), "i" (4UL)); [6290-6291] [2024-11-05 05:52:03,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6328-6329] [2024-11-05 05:52:03,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6332-6333] [2024-11-05 05:52:03,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6336-6337] [2024-11-05 05:52:03,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6340-6341] [2024-11-05 05:52:03,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6344-6345] [2024-11-05 05:52:03,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" (p), "i" (4UL)); [6357-6358] [2024-11-05 05:52:03,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:52:03,656 INFO L204 MainTranslator]: Completed translation [2024-11-05 05:52:03,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03 WrapperNode [2024-11-05 05:52:03,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 05:52:03,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 05:52:03,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 05:52:03,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 05:52:03,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:03,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:03,789 INFO L138 Inliner]: procedures = 192, calls = 596, calls flagged for inlining = 99, calls inlined = 93, statements flattened = 2396 [2024-11-05 05:52:03,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 05:52:03,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 05:52:03,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 05:52:03,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 05:52:03,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:03,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:03,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:04,018 INFO L175 MemorySlicer]: Split 317 memory accesses to 7 slices as follows [2, 13, 20, 229, 1, 24, 28]. 72 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 15, 6, 0, 0, 0]. The 152 writes are split as follows [0, 13, 2, 100, 0, 24, 13]. [2024-11-05 05:52:04,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:04,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:04,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:04,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:04,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:04,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:04,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 05:52:04,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 05:52:04,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 05:52:04,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 05:52:04,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (1/1) ... [2024-11-05 05:52:04,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:52:04,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 05:52:04,164 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 05:52:04,166 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 05:52:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-05 05:52:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-05 05:52:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 05:52:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 05:52:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 05:52:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 05:52:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 05:52:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 05:52:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 05:52:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 05:52:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 05:52:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 05:52:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 05:52:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 05:52:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 05:52:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 05:52:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2024-11-05 05:52:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2024-11-05 05:52:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-05 05:52:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-05 05:52:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 05:52:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 05:52:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 05:52:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 05:52:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 05:52:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 05:52:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 05:52:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-05 05:52:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 05:52:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 05:52:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2024-11-05 05:52:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2024-11-05 05:52:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2024-11-05 05:52:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2024-11-05 05:52:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-05 05:52:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-05 05:52:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-05 05:52:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-05 05:52:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-05 05:52:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-05 05:52:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-05 05:52:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-05 05:52:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-05 05:52:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-05 05:52:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 05:52:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2024-11-05 05:52:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2024-11-05 05:52:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-05 05:52:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-05 05:52:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-05 05:52:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-05 05:52:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2024-11-05 05:52:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2024-11-05 05:52:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-05 05:52:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-05 05:52:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 05:52:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 05:52:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 05:52:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 05:52:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 05:52:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 05:52:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-05 05:52:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 05:52:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2024-11-05 05:52:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2024-11-05 05:52:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-05 05:52:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 05:52:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 05:52:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-05 05:52:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-05 05:52:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2024-11-05 05:52:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-05 05:52:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 05:52:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-05 05:52:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-05 05:52:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 05:52:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 05:52:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 05:52:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 05:52:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 05:52:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 05:52:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 05:52:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-05 05:52:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-05 05:52:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 05:52:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 05:52:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 05:52:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 05:52:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 05:52:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 05:52:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 05:52:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 05:52:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-05 05:52:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2024-11-05 05:52:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-05 05:52:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 05:52:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-05 05:52:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 05:52:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 05:52:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2024-11-05 05:52:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2024-11-05 05:52:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-05 05:52:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-05 05:52:04,601 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 05:52:04,603 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 05:52:05,067 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 05:52:18,809 INFO L? ?]: Removed 1212 outVars from TransFormulas that were not future-live. [2024-11-05 05:52:18,809 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 05:52:18,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 05:52:18,838 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 05:52:18,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:52:18 BoogieIcfgContainer [2024-11-05 05:52:18,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 05:52:18,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 05:52:18,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 05:52:18,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 05:52:18,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 05:52:02" (1/3) ... [2024-11-05 05:52:18,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2559394d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:52:18, skipping insertion in model container [2024-11-05 05:52:18,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:52:03" (2/3) ... [2024-11-05 05:52:18,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2559394d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:52:18, skipping insertion in model container [2024-11-05 05:52:18,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:52:18" (3/3) ... [2024-11-05 05:52:18,846 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-05 05:52:18,858 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 05:52:18,858 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 05:52:18,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 05:52:18,929 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;@2e728f1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 05:52:18,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 05:52:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 728 states, 570 states have (on average 1.431578947368421) internal successors, (816), 584 states have internal predecessors, (816), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-05 05:52:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-05 05:52:18,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:18,946 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 05:52:18,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:18,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:18,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1729511612, now seen corresponding path program 1 times [2024-11-05 05:52:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24253018] [2024-11-05 05:52:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:18,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:18,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:18,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:18,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 05:52:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:19,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:19,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:19,752 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 05:52:19,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:20,336 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 05:52:20,337 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:20,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24253018] [2024-11-05 05:52:20,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [24253018] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:20,337 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:20,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 05:52:20,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626657431] [2024-11-05 05:52:20,339 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:20,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 05:52:20,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:20,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 05:52:20,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:52:20,360 INFO L87 Difference]: Start difference. First operand has 728 states, 570 states have (on average 1.431578947368421) internal successors, (816), 584 states have internal predecessors, (816), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 05:52:24,395 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 05:52:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:27,812 INFO L93 Difference]: Finished difference Result 2798 states and 4126 transitions. [2024-11-05 05:52:27,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 05:52:27,815 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 05:52:27,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:27,832 INFO L225 Difference]: With dead ends: 2798 [2024-11-05 05:52:27,833 INFO L226 Difference]: Without dead ends: 2054 [2024-11-05 05:52:27,841 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 05:52:27,843 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 2732 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 213 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:27,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 2807 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 242 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-11-05 05:52:27,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2024-11-05 05:52:27,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2054. [2024-11-05 05:52:27,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 1630 states have (on average 1.4220858895705522) internal successors, (2318), 1654 states have internal predecessors, (2318), 315 states have call successors, (315), 109 states have call predecessors, (315), 108 states have return successors, (314), 314 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-05 05:52:27,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2947 transitions. [2024-11-05 05:52:27,967 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2947 transitions. Word has length 78 [2024-11-05 05:52:27,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:27,968 INFO L471 AbstractCegarLoop]: Abstraction has 2054 states and 2947 transitions. [2024-11-05 05:52:27,968 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 05:52:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2947 transitions. [2024-11-05 05:52:27,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-05 05:52:27,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:27,971 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 05:52:27,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 05:52:28,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:28,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:28,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:28,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1338649670, now seen corresponding path program 1 times [2024-11-05 05:52:28,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:28,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111390297] [2024-11-05 05:52:28,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:28,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:28,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:28,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:28,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 05:52:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:28,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 05:52:28,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:28,948 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 05:52:28,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:29,391 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 05:52:29,391 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:29,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111390297] [2024-11-05 05:52:29,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1111390297] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:29,392 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:29,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-05 05:52:29,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629143427] [2024-11-05 05:52:29,392 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:29,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 05:52:29,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:29,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 05:52:29,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 05:52:29,394 INFO L87 Difference]: Start difference. First operand 2054 states and 2947 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 05:52:29,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:29,852 INFO L93 Difference]: Finished difference Result 4093 states and 5869 transitions. [2024-11-05 05:52:29,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 05:52:29,853 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 05:52:29,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:29,863 INFO L225 Difference]: With dead ends: 4093 [2024-11-05 05:52:29,863 INFO L226 Difference]: Without dead ends: 2063 [2024-11-05 05:52:29,867 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 05:52:29,868 INFO L432 NwaCegarLoop]: 1029 mSDtfsCounter, 1023 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 3087 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:29,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 3087 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 05:52:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2024-11-05 05:52:29,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 2057. [2024-11-05 05:52:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2057 states, 1633 states have (on average 1.4206981016533986) internal successors, (2320), 1657 states have internal predecessors, (2320), 315 states have call successors, (315), 109 states have call predecessors, (315), 108 states have return successors, (314), 314 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-05 05:52:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2949 transitions. [2024-11-05 05:52:29,941 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 2949 transitions. Word has length 82 [2024-11-05 05:52:29,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:29,943 INFO L471 AbstractCegarLoop]: Abstraction has 2057 states and 2949 transitions. [2024-11-05 05:52:29,943 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 05:52:29,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2949 transitions. [2024-11-05 05:52:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-05 05:52:29,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:29,946 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 05:52:29,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 05:52:30,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:30,147 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:30,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:30,147 INFO L85 PathProgramCache]: Analyzing trace with hash 240332671, now seen corresponding path program 1 times [2024-11-05 05:52:30,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:30,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996919272] [2024-11-05 05:52:30,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:30,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:30,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:30,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:30,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 05:52:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:30,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 05:52:30,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:31,304 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 05:52:31,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:32,388 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 05:52:32,388 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:32,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996919272] [2024-11-05 05:52:32,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1996919272] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:32,388 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:32,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-05 05:52:32,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198665419] [2024-11-05 05:52:32,389 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:32,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 05:52:32,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:32,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 05:52:32,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 05:52:32,390 INFO L87 Difference]: Start difference. First operand 2057 states and 2949 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 05:52:33,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:33,398 INFO L93 Difference]: Finished difference Result 6120 states and 8825 transitions. [2024-11-05 05:52:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 05:52:33,399 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 05:52:33,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:33,417 INFO L225 Difference]: With dead ends: 6120 [2024-11-05 05:52:33,417 INFO L226 Difference]: Without dead ends: 4079 [2024-11-05 05:52:33,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-05 05:52:33,424 INFO L432 NwaCegarLoop]: 1039 mSDtfsCounter, 999 mSDsluCounter, 5141 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:33,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 6180 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-05 05:52:33,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2024-11-05 05:52:33,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 4067. [2024-11-05 05:52:33,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4067 states, 3232 states have (on average 1.422339108910891) internal successors, (4597), 3280 states have internal predecessors, (4597), 618 states have call successors, (618), 217 states have call predecessors, (618), 216 states have return successors, (662), 617 states have call predecessors, (662), 617 states have call successors, (662) [2024-11-05 05:52:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 5877 transitions. [2024-11-05 05:52:33,579 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 5877 transitions. Word has length 87 [2024-11-05 05:52:33,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:33,580 INFO L471 AbstractCegarLoop]: Abstraction has 4067 states and 5877 transitions. [2024-11-05 05:52:33,581 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 05:52:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 5877 transitions. [2024-11-05 05:52:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-05 05:52:33,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:33,591 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:52:33,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-05 05:52:33,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:33,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:33,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:33,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2054337854, now seen corresponding path program 1 times [2024-11-05 05:52:33,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:33,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522282233] [2024-11-05 05:52:33,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:33,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:33,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:33,798 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:33,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 05:52:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:34,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:34,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-05 05:52:34,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:35,658 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-05 05:52:35,659 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:35,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522282233] [2024-11-05 05:52:35,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1522282233] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:35,659 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:35,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:52:35,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534143512] [2024-11-05 05:52:35,659 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:35,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:52:35,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:35,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:52:35,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:35,661 INFO L87 Difference]: Start difference. First operand 4067 states and 5877 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 05:52:36,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:36,313 INFO L93 Difference]: Finished difference Result 10069 states and 14559 transitions. [2024-11-05 05:52:36,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:52:36,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 145 [2024-11-05 05:52:36,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:36,340 INFO L225 Difference]: With dead ends: 10069 [2024-11-05 05:52:36,341 INFO L226 Difference]: Without dead ends: 6026 [2024-11-05 05:52:36,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 287 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 05:52:36,352 INFO L432 NwaCegarLoop]: 1061 mSDtfsCounter, 529 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:36,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 2015 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 05:52:36,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6026 states. [2024-11-05 05:52:36,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6026 to 6014. [2024-11-05 05:52:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6014 states, 4790 states have (on average 1.4296450939457201) internal successors, (6848), 4853 states have internal predecessors, (6848), 896 states have call successors, (896), 328 states have call predecessors, (896), 327 states have return successors, (955), 892 states have call predecessors, (955), 895 states have call successors, (955) [2024-11-05 05:52:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6014 states to 6014 states and 8699 transitions. [2024-11-05 05:52:36,562 INFO L78 Accepts]: Start accepts. Automaton has 6014 states and 8699 transitions. Word has length 145 [2024-11-05 05:52:36,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:36,562 INFO L471 AbstractCegarLoop]: Abstraction has 6014 states and 8699 transitions. [2024-11-05 05:52:36,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 05:52:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 6014 states and 8699 transitions. [2024-11-05 05:52:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-05 05:52:36,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:36,574 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:52:36,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-05 05:52:36,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:36,775 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:36,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:36,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1362490919, now seen corresponding path program 1 times [2024-11-05 05:52:36,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:36,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210894230] [2024-11-05 05:52:36,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:36,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:36,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:36,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:36,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-05 05:52:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:37,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:37,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-05 05:52:37,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-05 05:52:39,162 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:39,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210894230] [2024-11-05 05:52:39,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1210894230] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:39,162 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:39,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 05:52:39,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394738974] [2024-11-05 05:52:39,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:39,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 05:52:39,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:39,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 05:52:39,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:52:39,164 INFO L87 Difference]: Start difference. First operand 6014 states and 8699 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-05 05:52:43,182 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 05:52:45,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:45,805 INFO L93 Difference]: Finished difference Result 16889 states and 24497 transitions. [2024-11-05 05:52:45,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 05:52:45,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 163 [2024-11-05 05:52:45,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:45,850 INFO L225 Difference]: With dead ends: 16889 [2024-11-05 05:52:45,850 INFO L226 Difference]: Without dead ends: 10910 [2024-11-05 05:52:45,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:52:45,867 INFO L432 NwaCegarLoop]: 1497 mSDtfsCounter, 1274 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:45,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 3242 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 202 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-05 05:52:45,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10910 states. [2024-11-05 05:52:46,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10910 to 10844. [2024-11-05 05:52:46,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10844 states, 8688 states have (on average 1.4337016574585635) internal successors, (12456), 8789 states have internal predecessors, (12456), 1546 states have call successors, (1546), 610 states have call predecessors, (1546), 609 states have return successors, (1647), 1540 states have call predecessors, (1647), 1545 states have call successors, (1647) [2024-11-05 05:52:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10844 states to 10844 states and 15649 transitions. [2024-11-05 05:52:46,221 INFO L78 Accepts]: Start accepts. Automaton has 10844 states and 15649 transitions. Word has length 163 [2024-11-05 05:52:46,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:46,222 INFO L471 AbstractCegarLoop]: Abstraction has 10844 states and 15649 transitions. [2024-11-05 05:52:46,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-05 05:52:46,226 INFO L276 IsEmpty]: Start isEmpty. Operand 10844 states and 15649 transitions. [2024-11-05 05:52:46,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-05 05:52:46,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:46,242 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:52:46,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-05 05:52:46,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:46,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:46,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1582757781, now seen corresponding path program 1 times [2024-11-05 05:52:46,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:46,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012663562] [2024-11-05 05:52:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:46,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:46,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:46,445 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:46,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-05 05:52:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:47,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:47,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-05 05:52:47,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-05 05:52:48,796 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:48,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012663562] [2024-11-05 05:52:48,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1012663562] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:48,796 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:48,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:52:48,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499845411] [2024-11-05 05:52:48,796 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:48,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:52:48,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:48,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:52:48,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:48,798 INFO L87 Difference]: Start difference. First operand 10844 states and 15649 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-05 05:52:49,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:49,259 INFO L93 Difference]: Finished difference Result 25916 states and 37085 transitions. [2024-11-05 05:52:49,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:52:49,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 174 [2024-11-05 05:52:49,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:49,310 INFO L225 Difference]: With dead ends: 25916 [2024-11-05 05:52:49,311 INFO L226 Difference]: Without dead ends: 15107 [2024-11-05 05:52:49,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:49,336 INFO L432 NwaCegarLoop]: 1561 mSDtfsCounter, 674 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2545 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:49,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2545 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 05:52:49,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15107 states. [2024-11-05 05:52:49,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15107 to 15060. [2024-11-05 05:52:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15060 states, 12133 states have (on average 1.419269760158246) internal successors, (17220), 12283 states have internal predecessors, (17220), 2017 states have call successors, (2017), 910 states have call predecessors, (2017), 909 states have return successors, (2166), 2010 states have call predecessors, (2166), 2016 states have call successors, (2166) [2024-11-05 05:52:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15060 states to 15060 states and 21403 transitions. [2024-11-05 05:52:49,920 INFO L78 Accepts]: Start accepts. Automaton has 15060 states and 21403 transitions. Word has length 174 [2024-11-05 05:52:49,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:49,922 INFO L471 AbstractCegarLoop]: Abstraction has 15060 states and 21403 transitions. [2024-11-05 05:52:49,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-05 05:52:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 15060 states and 21403 transitions. [2024-11-05 05:52:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-05 05:52:49,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:49,942 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:52:49,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-05 05:52:50,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:50,143 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:50,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:50,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1241150221, now seen corresponding path program 1 times [2024-11-05 05:52:50,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:50,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628403425] [2024-11-05 05:52:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:50,144 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:50,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:50,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:50,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-05 05:52:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:50,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:50,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-05 05:52:50,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-05 05:52:51,929 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:51,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628403425] [2024-11-05 05:52:51,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1628403425] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:51,929 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:51,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:52:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404135456] [2024-11-05 05:52:51,930 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:51,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:52:51,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:51,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:52:51,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:51,931 INFO L87 Difference]: Start difference. First operand 15060 states and 21403 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 05:52:52,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:52,313 INFO L93 Difference]: Finished difference Result 22662 states and 32446 transitions. [2024-11-05 05:52:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:52:52,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-05 05:52:52,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:52,360 INFO L225 Difference]: With dead ends: 22662 [2024-11-05 05:52:52,360 INFO L226 Difference]: Without dead ends: 15096 [2024-11-05 05:52:52,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 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 05:52:52,383 INFO L432 NwaCegarLoop]: 1026 mSDtfsCounter, 3 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2044 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:52,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2044 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 05:52:52,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15096 states. [2024-11-05 05:52:52,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15096 to 15096. [2024-11-05 05:52:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15096 states, 12169 states have (on average 1.4180294190155314) internal successors, (17256), 12319 states have internal predecessors, (17256), 2017 states have call successors, (2017), 910 states have call predecessors, (2017), 909 states have return successors, (2166), 2010 states have call predecessors, (2166), 2016 states have call successors, (2166) [2024-11-05 05:52:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15096 states to 15096 states and 21439 transitions. [2024-11-05 05:52:52,924 INFO L78 Accepts]: Start accepts. Automaton has 15096 states and 21439 transitions. Word has length 168 [2024-11-05 05:52:52,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:52,924 INFO L471 AbstractCegarLoop]: Abstraction has 15096 states and 21439 transitions. [2024-11-05 05:52:52,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 05:52:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15096 states and 21439 transitions. [2024-11-05 05:52:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-05 05:52:52,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:52,939 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:52:52,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-05 05:52:53,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:53,140 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:53,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:53,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1821562674, now seen corresponding path program 1 times [2024-11-05 05:52:53,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:53,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670618058] [2024-11-05 05:52:53,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:53,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:53,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:53,144 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:53,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-05 05:52:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:53,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-05 05:52:53,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 89 proven. 5 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-05 05:52:56,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:53:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-05 05:53:02,565 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:53:02,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670618058] [2024-11-05 05:53:02,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1670618058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 05:53:02,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 05:53:02,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-05 05:53:02,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490237712] [2024-11-05 05:53:02,566 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 05:53:02,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 05:53:02,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:53:02,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 05:53:02,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-05 05:53:02,569 INFO L87 Difference]: Start difference. First operand 15096 states and 21439 transitions. Second operand has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 9 states have internal predecessors, (146), 7 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-05 05:53:06,592 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 05:53:10,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 05:53:14,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []