/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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 06:12:45,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 06:12:45,513 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 06:12:45,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 06:12:45,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 06:12:45,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 06:12:45,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 06:12:45,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 06:12:45,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 06:12:45,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 06:12:45,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 06:12:45,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 06:12:45,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 06:12:45,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 06:12:45,563 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 06:12:45,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 06:12:45,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 06:12:45,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 06:12:45,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 06:12:45,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 06:12:45,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 06:12:45,566 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 06:12:45,566 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 06:12:45,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 06:12:45,567 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 06:12:45,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 06:12:45,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 06:12:45,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 06:12:45,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 06:12:45,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 06:12:45,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 06:12:45,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 06:12:45,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 06:12:45,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 06:12:45,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 06:12:45,570 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 06:12:45,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 06:12:45,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 06:12:45,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 06:12:45,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 06:12:45,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 06:12:45,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:12:45,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 06:12:45,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 06:12:45,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 06:12:45,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 06:12:45,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 06:12:45,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2024-11-05 06:12:47,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 06:12:47,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 06:12:47,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2024-11-05 06:12:47,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7722ee668/4389791b64c048b0b678eb48d931b514/FLAGe93b7dc96 [2024-11-05 06:12:47,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7722ee668/4389791b64c048b0b678eb48d931b514 [2024-11-05 06:12:47,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 06:12:47,971 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 06:12:47,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 06:12:47,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 06:12:47,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 06:12:47,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19902032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47, skipping insertion in model container [2024-11-05 06:12:47,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:48,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 06:12:48,981 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 06:12:48,981 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 06:12:49,036 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 06:12:49,037 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 06:12:49,042 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 06:12:49,042 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 06:12:49,043 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 06:12:49,043 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 06:12:49,043 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 06:12:49,044 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 06:12:49,044 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 06:12:49,044 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 06:12:49,044 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 06:12:49,060 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2024-11-05 06:12:49,125 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 06:12:49,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:12:49,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 06:12:49,253 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)); [3196] [2024-11-05 06:12:49,255 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"); [3204-3205] [2024-11-05 06:12:49,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3242] [2024-11-05 06:12:49,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3250] [2024-11-05 06:12:49,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (data + i), "i" (1UL)); [3602-3603] [2024-11-05 06:12:49,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3692] [2024-11-05 06:12:49,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3695] [2024-11-05 06:12:49,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3698] [2024-11-05 06:12:49,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3701] [2024-11-05 06:12:49,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3704] [2024-11-05 06:12:49,303 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" (uarg.i): "ebx"); [3715-3716] [2024-11-05 06:12:49,303 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" (uarg.i): "ebx"); [3719-3720] [2024-11-05 06:12:49,303 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" (uarg.i): "ebx"); [3723-3724] [2024-11-05 06:12:49,303 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" (uarg.i): "ebx"); [3727-3728] [2024-11-05 06:12:49,304 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" (uarg.i): "ebx"); [3731-3732] [2024-11-05 06:12:49,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (uarg.i), "i" (4UL)); [3741-3742] [2024-11-05 06:12:49,308 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" (uarg.i), "i" (4UL)); [3765-3766] [2024-11-05 06:12:49,310 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" (uarg.i): "ebx"); [3786-3787] [2024-11-05 06:12:49,310 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" (uarg.i): "ebx"); [3790-3791] [2024-11-05 06:12:49,310 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" (uarg.i): "ebx"); [3794-3795] [2024-11-05 06:12:49,311 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" (uarg.i): "ebx"); [3798-3799] [2024-11-05 06:12:49,311 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" (uarg.i): "ebx"); [3802-3803] [2024-11-05 06:12:49,340 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2024-11-05 06:12:49,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:12:49,398 INFO L204 MainTranslator]: Completed translation [2024-11-05 06:12:49,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49 WrapperNode [2024-11-05 06:12:49,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 06:12:49,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 06:12:49,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 06:12:49,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 06:12:49,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,504 INFO L138 Inliner]: procedures = 110, calls = 323, calls flagged for inlining = 40, calls inlined = 37, statements flattened = 929 [2024-11-05 06:12:49,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 06:12:49,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 06:12:49,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 06:12:49,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 06:12:49,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,608 INFO L175 MemorySlicer]: Split 104 memory accesses to 13 slices as follows [2, 26, 0, 3, 1, 8, 10, 1, 2, 9, 1, 29, 12]. 28 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 0, 0, 3, 0, 8, 10, 0, 0, 0, 1, 0, 0]. The 71 writes are split as follows [0, 26, 0, 0, 1, 0, 0, 0, 1, 2, 0, 29, 12]. [2024-11-05 06:12:49,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 06:12:49,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 06:12:49,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 06:12:49,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 06:12:49,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (1/1) ... [2024-11-05 06:12:49,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 06:12:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 06:12:49,734 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 06:12:49,736 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 06:12:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-05 06:12:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-05 06:12:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 06:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-05 06:12:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-05 06:12:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-05 06:12:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 06:12:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 06:12:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 06:12:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 06:12:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 06:12:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 06:12:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 06:12:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 06:12:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 06:12:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 06:12:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 06:12:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 06:12:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 06:12:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 06:12:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 06:12:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-05 06:12:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-05 06:12:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-05 06:12:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 06:12:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 06:12:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 06:12:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 06:12:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2024-11-05 06:12:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2024-11-05 06:12:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-05 06:12:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-05 06:12:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2024-11-05 06:12:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2024-11-05 06:12:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-05 06:12:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-05 06:12:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 06:12:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 06:12:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2024-11-05 06:12:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2024-11-05 06:12:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 06:12:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 06:12:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 06:12:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 06:12:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 06:12:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 06:12:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 06:12:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-05 06:12:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2024-11-05 06:12:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2024-11-05 06:12:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2024-11-05 06:12:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2024-11-05 06:12:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2024-11-05 06:12:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2024-11-05 06:12:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 06:12:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 06:12:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 06:12:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 06:12:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 06:12:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 06:12:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 06:12:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2024-11-05 06:12:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2024-11-05 06:12:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2024-11-05 06:12:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2024-11-05 06:12:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 06:12:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 06:12:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 06:12:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 06:12:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 06:12:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 06:12:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 06:12:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-05 06:12:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-05 06:12:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-05 06:12:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2024-11-05 06:12:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2024-11-05 06:12:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 06:12:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 06:12:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-05 06:12:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2024-11-05 06:12:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 06:12:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 06:12:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 06:12:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-05 06:12:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-05 06:12:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-05 06:12:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 06:12:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 06:12:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 06:12:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 06:12:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-05 06:12:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 06:12:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 06:12:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 06:12:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 06:12:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-05 06:12:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-05 06:12:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-05 06:12:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-05 06:12:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#11 [2024-11-05 06:12:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#12 [2024-11-05 06:12:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-05 06:12:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-05 06:12:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2024-11-05 06:12:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2024-11-05 06:12:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-05 06:12:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-05 06:12:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-05 06:12:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-05 06:12:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-05 06:12:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-05 06:12:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-05 06:12:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-05 06:12:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2024-11-05 06:12:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2024-11-05 06:12:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 06:12:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 06:12:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2024-11-05 06:12:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2024-11-05 06:12:50,150 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 06:12:50,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 06:12:50,178 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 06:13:08,251 INFO L? ?]: Removed 378 outVars from TransFormulas that were not future-live. [2024-11-05 06:13:08,251 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 06:13:08,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 06:13:08,285 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 06:13:08,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:13:08 BoogieIcfgContainer [2024-11-05 06:13:08,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 06:13:08,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 06:13:08,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 06:13:08,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 06:13:08,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 06:12:47" (1/3) ... [2024-11-05 06:13:08,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e02ad03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:13:08, skipping insertion in model container [2024-11-05 06:13:08,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:49" (2/3) ... [2024-11-05 06:13:08,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e02ad03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:13:08, skipping insertion in model container [2024-11-05 06:13:08,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:13:08" (3/3) ... [2024-11-05 06:13:08,300 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2024-11-05 06:13:08,324 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 06:13:08,324 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 06:13:08,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 06:13:08,440 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;@6b975994, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 06:13:08,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 06:13:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 252 states have (on average 1.3253968253968254) internal successors, (334), 262 states have internal predecessors, (334), 108 states have call successors, (108), 27 states have call predecessors, (108), 26 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-05 06:13:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-05 06:13:08,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:08,474 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:08,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:08,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:08,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1528178393, now seen corresponding path program 1 times [2024-11-05 06:13:08,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:08,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417072904] [2024-11-05 06:13:08,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:08,502 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 06:13:08,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:08,506 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 06:13:08,509 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 06:13:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:09,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 06:13:09,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-05 06:13:09,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-05 06:13:12,369 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:12,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417072904] [2024-11-05 06:13:12,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1417072904] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:13:12,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:13:12,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 06:13:12,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281528711] [2024-11-05 06:13:12,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:13:12,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 06:13:12,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:12,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 06:13:12,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 06:13:12,408 INFO L87 Difference]: Start difference. First operand has 388 states, 252 states have (on average 1.3253968253968254) internal successors, (334), 262 states have internal predecessors, (334), 108 states have call successors, (108), 27 states have call predecessors, (108), 26 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 06:13:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:12,500 INFO L93 Difference]: Finished difference Result 771 states and 1097 transitions. [2024-11-05 06:13:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 06:13:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2024-11-05 06:13:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:12,516 INFO L225 Difference]: With dead ends: 771 [2024-11-05 06:13:12,517 INFO L226 Difference]: Without dead ends: 377 [2024-11-05 06:13:12,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 06:13:12,526 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:12,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 06:13:12,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-05 06:13:12,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2024-11-05 06:13:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 247 states have (on average 1.2955465587044535) internal successors, (320), 251 states have internal predecessors, (320), 104 states have call successors, (104), 26 states have call predecessors, (104), 25 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 06:13:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 527 transitions. [2024-11-05 06:13:12,603 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 527 transitions. Word has length 136 [2024-11-05 06:13:12,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:12,604 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 527 transitions. [2024-11-05 06:13:12,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 06:13:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 527 transitions. [2024-11-05 06:13:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-05 06:13:12,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:12,612 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:12,636 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 (2)] Forceful destruction successful, exit code 0 [2024-11-05 06:13:12,814 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 06:13:12,815 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:12,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:12,816 INFO L85 PathProgramCache]: Analyzing trace with hash 165164335, now seen corresponding path program 1 times [2024-11-05 06:13:12,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:12,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149180956] [2024-11-05 06:13:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:12,817 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 06:13:12,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:12,826 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 06:13:12,841 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 06:13:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:13,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 06:13:13,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-05 06:13:14,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-05 06:13:18,826 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:18,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149180956] [2024-11-05 06:13:18,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [149180956] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:13:18,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:13:18,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 06:13:18,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889181359] [2024-11-05 06:13:18,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:13:18,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:13:18,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:18,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:13:18,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:13:18,831 INFO L87 Difference]: Start difference. First operand 377 states and 527 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 06:13:19,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:19,615 INFO L93 Difference]: Finished difference Result 746 states and 1047 transitions. [2024-11-05 06:13:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 06:13:19,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-11-05 06:13:19,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:19,622 INFO L225 Difference]: With dead ends: 746 [2024-11-05 06:13:19,622 INFO L226 Difference]: Without dead ends: 378 [2024-11-05 06:13:19,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:13:19,626 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 0 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:19,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1561 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-05 06:13:19,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-05 06:13:19,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2024-11-05 06:13:19,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 248 states have (on average 1.2943548387096775) internal successors, (321), 252 states have internal predecessors, (321), 104 states have call successors, (104), 26 states have call predecessors, (104), 25 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 06:13:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 528 transitions. [2024-11-05 06:13:19,680 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 528 transitions. Word has length 136 [2024-11-05 06:13:19,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:19,683 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 528 transitions. [2024-11-05 06:13:19,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 06:13:19,684 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 528 transitions. [2024-11-05 06:13:19,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-05 06:13:19,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:19,690 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:19,708 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 06:13:19,891 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 06:13:19,891 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:19,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:19,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1013816373, now seen corresponding path program 1 times [2024-11-05 06:13:19,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:19,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474818918] [2024-11-05 06:13:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:19,893 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 06:13:19,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:19,897 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 06:13:19,899 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 06:13:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:20,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 06:13:20,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-05 06:13:21,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-05 06:13:27,029 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:27,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474818918] [2024-11-05 06:13:27,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [474818918] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:13:27,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:13:27,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 06:13:27,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593405635] [2024-11-05 06:13:27,030 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:13:27,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 06:13:27,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:27,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 06:13:27,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 06:13:27,032 INFO L87 Difference]: Start difference. First operand 378 states and 528 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:13:30,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:30,576 INFO L93 Difference]: Finished difference Result 757 states and 1065 transitions. [2024-11-05 06:13:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 06:13:30,578 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-05 06:13:30,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:30,582 INFO L225 Difference]: With dead ends: 757 [2024-11-05 06:13:30,582 INFO L226 Difference]: Without dead ends: 388 [2024-11-05 06:13:30,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-05 06:13:30,585 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 5 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:30,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3100 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-05 06:13:30,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-05 06:13:30,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2024-11-05 06:13:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 257 states have (on average 1.2957198443579767) internal successors, (333), 261 states have internal predecessors, (333), 104 states have call successors, (104), 27 states have call predecessors, (104), 26 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 06:13:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 540 transitions. [2024-11-05 06:13:30,612 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 540 transitions. Word has length 142 [2024-11-05 06:13:30,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:30,612 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 540 transitions. [2024-11-05 06:13:30,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:13:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 540 transitions. [2024-11-05 06:13:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-05 06:13:30,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:30,615 INFO L215 NwaCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:30,642 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 06:13:30,816 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 06:13:30,816 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:30,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:30,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1356701615, now seen corresponding path program 2 times [2024-11-05 06:13:30,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:30,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256317660] [2024-11-05 06:13:30,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:30,818 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 06:13:30,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:30,822 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 06:13:30,824 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 06:13:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:31,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 06:13:31,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-05 06:13:34,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-05 06:13:41,385 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:41,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256317660] [2024-11-05 06:13:41,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1256317660] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:13:41,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:13:41,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-05 06:13:41,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546494677] [2024-11-05 06:13:41,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:13:41,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-05 06:13:41,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:41,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-05 06:13:41,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-05 06:13:41,388 INFO L87 Difference]: Start difference. First operand 388 states and 540 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:13:49,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:49,524 INFO L93 Difference]: Finished difference Result 776 states and 1089 transitions. [2024-11-05 06:13:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-05 06:13:49,526 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 156 [2024-11-05 06:13:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:49,529 INFO L225 Difference]: With dead ends: 776 [2024-11-05 06:13:49,530 INFO L226 Difference]: Without dead ends: 394 [2024-11-05 06:13:49,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-11-05 06:13:49,533 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 5 mSDsluCounter, 3096 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3619 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:49,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3619 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-05 06:13:49,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-05 06:13:49,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-11-05 06:13:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 263 states have (on average 1.2927756653992395) internal successors, (340), 267 states have internal predecessors, (340), 104 states have call successors, (104), 27 states have call predecessors, (104), 26 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 06:13:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 547 transitions. [2024-11-05 06:13:49,574 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 547 transitions. Word has length 156 [2024-11-05 06:13:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:49,575 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 547 transitions. [2024-11-05 06:13:49,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:13:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 547 transitions. [2024-11-05 06:13:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-05 06:13:49,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:49,581 INFO L215 NwaCegarLoop]: trace histogram [36, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:49,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-05 06:13:49,781 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 06:13:49,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:49,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:49,783 INFO L85 PathProgramCache]: Analyzing trace with hash 66933679, now seen corresponding path program 3 times [2024-11-05 06:13:49,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:49,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326646364] [2024-11-05 06:13:49,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:49,783 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 06:13:49,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:49,785 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 06:13:49,786 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 06:13:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:51,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 06:13:51,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 537 proven. 3 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-05 06:13:52,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 60 proven. 75 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2024-11-05 06:13:58,307 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:58,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326646364] [2024-11-05 06:13:58,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [326646364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:13:58,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:13:58,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 06:13:58,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105385016] [2024-11-05 06:13:58,308 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:13:58,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 06:13:58,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:58,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 06:13:58,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 06:13:58,309 INFO L87 Difference]: Start difference. First operand 394 states and 547 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 06:14:01,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:14:01,381 INFO L93 Difference]: Finished difference Result 778 states and 1079 transitions. [2024-11-05 06:14:01,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 06:14:01,383 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 172 [2024-11-05 06:14:01,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:14:01,390 INFO L225 Difference]: With dead ends: 778 [2024-11-05 06:14:01,390 INFO L226 Difference]: Without dead ends: 394 [2024-11-05 06:14:01,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-05 06:14:01,394 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 5 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2577 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-05 06:14:01,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2577 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-05 06:14:01,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-05 06:14:01,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-11-05 06:14:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 263 states have (on average 1.2775665399239544) internal successors, (336), 267 states have internal predecessors, (336), 104 states have call successors, (104), 27 states have call predecessors, (104), 26 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 06:14:01,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 543 transitions. [2024-11-05 06:14:01,439 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 543 transitions. Word has length 172 [2024-11-05 06:14:01,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:14:01,439 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 543 transitions. [2024-11-05 06:14:01,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 06:14:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 543 transitions. [2024-11-05 06:14:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-05 06:14:01,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:14:01,443 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:01,478 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 06:14:01,647 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 06:14:01,648 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:14:01,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:14:01,648 INFO L85 PathProgramCache]: Analyzing trace with hash -935024081, now seen corresponding path program 4 times [2024-11-05 06:14:01,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:14:01,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781919785] [2024-11-05 06:14:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:14:01,649 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 06:14:01,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:14:01,650 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 06:14:01,652 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 06:14:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:14:03,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 06:14:03,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:14:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-05 06:14:04,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:14:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-05 06:14:07,735 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:14:07,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781919785] [2024-11-05 06:14:07,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1781919785] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:14:07,735 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:14:07,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 06:14:07,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755330265] [2024-11-05 06:14:07,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:14:07,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 06:14:07,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:14:07,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 06:14:07,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:14:07,737 INFO L87 Difference]: Start difference. First operand 394 states and 543 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-05 06:14:11,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 06:14:15,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 06:14:16,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:14:16,571 INFO L93 Difference]: Finished difference Result 757 states and 1047 transitions. [2024-11-05 06:14:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 06:14:16,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 176 [2024-11-05 06:14:16,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:14:16,576 INFO L225 Difference]: With dead ends: 757 [2024-11-05 06:14:16,576 INFO L226 Difference]: Without dead ends: 408 [2024-11-05 06:14:16,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:14:16,579 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 15 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-05 06:14:16,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2088 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2024-11-05 06:14:16,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-05 06:14:16,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 397. [2024-11-05 06:14:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 266 states have (on average 1.2744360902255638) internal successors, (339), 270 states have internal predecessors, (339), 104 states have call successors, (104), 27 states have call predecessors, (104), 26 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-05 06:14:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 546 transitions. [2024-11-05 06:14:16,601 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 546 transitions. Word has length 176 [2024-11-05 06:14:16,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:14:16,603 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 546 transitions. [2024-11-05 06:14:16,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-05 06:14:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 546 transitions. [2024-11-05 06:14:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-05 06:14:16,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:14:16,607 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:14:16,650 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 06:14:16,807 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 06:14:16,808 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:14:16,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:14:16,808 INFO L85 PathProgramCache]: Analyzing trace with hash -877765779, now seen corresponding path program 1 times [2024-11-05 06:14:16,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:14:16,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564074409] [2024-11-05 06:14:16,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:14:16,809 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 06:14:16,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:14:16,810 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 06:14:16,812 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