/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-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 11:54:59,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:54:59,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:54:59,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:54:59,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:54:59,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:54:59,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:54:59,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:54:59,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:54:59,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:54:59,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:54:59,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:54:59,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:54:59,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:54:59,267 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:54:59,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:54:59,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:54:59,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:54:59,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:54:59,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:54:59,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:54:59,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:54:59,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:54:59,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:54:59,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:54:59,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:54:59,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:54:59,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:54:59,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:54:59,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:54:59,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:54:59,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:54:59,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:54:59,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:54:59,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:54:59,272 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:54:59,273 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:54:59,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:54:59,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:54:59,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:54:59,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:54:59,274 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:54:59,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:54:59,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:54:59,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:54:59,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:54:59,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:54:59,519 INFO L431 ainManager$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 11:55:01,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:55:01,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:55:01,363 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 11:55:01,396 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26773c229/2741cb832c3d44b2ba55d9a771cec098/FLAG3643e00fc [2024-11-05 11:55:01,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26773c229/2741cb832c3d44b2ba55d9a771cec098 [2024-11-05 11:55:01,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:55:01,588 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:55:01,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:55:01,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:55:01,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:55:01,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:55:01" (1/1) ... [2024-11-05 11:55:01,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59371b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:01, skipping insertion in model container [2024-11-05 11:55:01,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:55:01" (1/1) ... [2024-11-05 11:55:01,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:55:02,555 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,555 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,602 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,602 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,602 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,603 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,603 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,603 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,623 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 11:55:02,680 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:55:02,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:55:02,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:55:02,783 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 11:55:02,786 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 11:55:02,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3242] [2024-11-05 11:55:02,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3250] [2024-11-05 11:55:02,812 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 11:55:02,825 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 11:55:02,825 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 11:55:02,825 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 11:55:02,825 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 11:55:02,826 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 11:55:02,826 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 11:55:02,827 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 11:55:02,827 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 11:55:02,827 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 11:55:02,827 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 11:55:02,828 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 11:55:02,832 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 11:55:02,833 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 11:55:02,833 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 11:55:02,834 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 11:55:02,834 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 11:55:02,834 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 11:55:02,860 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 11:55:02,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:55:02,919 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:55:02,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02 WrapperNode [2024-11-05 11:55:02,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:55:02,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:55:02,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:55:02,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:55:02,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:02,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,020 INFO L138 Inliner]: procedures = 110, calls = 323, calls flagged for inlining = 40, calls inlined = 37, statements flattened = 929 [2024-11-05 11:55:03,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:55:03,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:55:03,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:55:03,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:55:03,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,131 INFO L175 MemorySlicer]: Split 104 memory accesses to 13 slices as follows [2, 3, 8, 26, 2, 1, 1, 10, 9, 1, 29, 12, 0]. 28 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 3, 8, 0, 0, 0, 0, 10, 0, 1, 0, 0, 0]. The 71 writes are split as follows [0, 0, 0, 26, 1, 0, 1, 0, 2, 0, 29, 12, 0]. [2024-11-05 11:55:03,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:55:03,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:55:03,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:55:03,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:55:03,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (1/1) ... [2024-11-05 11:55:03,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:55:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:55:03,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 11:55:03,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 11:55:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-05 11:55:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-05 11:55:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:55:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:55:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:55:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:55:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:55:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:55:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:55:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 11:55:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 11:55:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 11:55:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 11:55:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:55:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:55:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 11:55:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 11:55:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2024-11-05 11:55:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2024-11-05 11:55:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-05 11:55:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-05 11:55:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2024-11-05 11:55:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2024-11-05 11:55:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-05 11:55:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-05 11:55:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:55:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:55:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2024-11-05 11:55:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2024-11-05 11:55:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:55:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:55:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:55:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 11:55:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2024-11-05 11:55:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2024-11-05 11:55:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2024-11-05 11:55:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2024-11-05 11:55:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2024-11-05 11:55:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 11:55:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 11:55:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:55:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:55:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:55:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 11:55:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 11:55:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2024-11-05 11:55:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2024-11-05 11:55:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2024-11-05 11:55:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2024-11-05 11:55:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:55:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:55:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:55:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:55:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:55:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:55:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:55:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2024-11-05 11:55:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:55:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:55:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:55:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:55:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:55:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:55:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 11:55:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 11:55:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 11:55:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 11:55:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-05 11:55:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-05 11:55:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-05 11:55:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:55:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:55:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:55:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:55:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2024-11-05 11:55:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2024-11-05 11:55:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:55:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:55:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:55:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:55:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:55:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:55:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 11:55:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 11:55:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 11:55:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 11:55:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-05 11:55:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-05 11:55:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-05 11:55:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 11:55:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 11:55:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:55:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:55:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:55:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:55:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:55:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:55:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 11:55:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 11:55:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#11 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#12 [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-05 11:55:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2024-11-05 11:55:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2024-11-05 11:55:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-05 11:55:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-05 11:55:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-05 11:55:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-05 11:55:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-05 11:55:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-05 11:55:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-05 11:55:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-05 11:55:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2024-11-05 11:55:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2024-11-05 11:55:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:55:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:55:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2024-11-05 11:55:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2024-11-05 11:55:03,692 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:55:03,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:55:03,719 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:55:21,053 INFO L? ?]: Removed 378 outVars from TransFormulas that were not future-live. [2024-11-05 11:55:21,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:55:21,084 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:55:21,085 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 11:55:21,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:55:21 BoogieIcfgContainer [2024-11-05 11:55:21,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:55:21,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:55:21,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:55:21,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:55:21,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:55:01" (1/3) ... [2024-11-05 11:55:21,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9d60a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:55:21, skipping insertion in model container [2024-11-05 11:55:21,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:55:02" (2/3) ... [2024-11-05 11:55:21,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9d60a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:55:21, skipping insertion in model container [2024-11-05 11:55:21,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:55:21" (3/3) ... [2024-11-05 11:55:21,097 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 11:55:21,115 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:55:21,116 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:55:21,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:55:21,208 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;@75bdc38b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:55:21,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:55:21,216 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 11:55:21,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-05 11:55:21,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:21,234 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 11:55:21,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:21,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:21,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1528178393, now seen corresponding path program 1 times [2024-11-05 11:55:21,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:21,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699994962] [2024-11-05 11:55:21,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:21,250 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:21,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:21,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:55:21,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:55:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:21,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 11:55:22,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-05 11:55:22,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-05 11:55:24,373 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:24,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699994962] [2024-11-05 11:55:24,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1699994962] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:55:24,373 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:55:24,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 11:55:24,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251291496] [2024-11-05 11:55:24,376 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:24,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 11:55:24,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:24,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 11:55:24,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 11:55:24,407 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 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-05 11:55:24,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:24,505 INFO L93 Difference]: Finished difference Result 771 states and 1097 transitions. [2024-11-05 11:55:24,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 11:55:24,512 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 136 [2024-11-05 11:55:24,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:24,527 INFO L225 Difference]: With dead ends: 771 [2024-11-05 11:55:24,528 INFO L226 Difference]: Without dead ends: 377 [2024-11-05 11:55:24,537 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 11:55:24,541 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 11:55:24,542 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 11:55:24,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-05 11:55:24,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2024-11-05 11:55:24,603 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 11:55:24,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 527 transitions. [2024-11-05 11:55:24,612 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 527 transitions. Word has length 136 [2024-11-05 11:55:24,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:24,612 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 527 transitions. [2024-11-05 11:55:24,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-05 11:55:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 527 transitions. [2024-11-05 11:55:24,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-05 11:55:24,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:24,617 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 11:55:24,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:55:24,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:24,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:24,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:24,819 INFO L85 PathProgramCache]: Analyzing trace with hash 165164335, now seen corresponding path program 1 times [2024-11-05 11:55:24,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:24,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768701453] [2024-11-05 11:55:24,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:24,820 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:24,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:24,821 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:55:24,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:55:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:25,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 11:55:25,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:25,873 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 11:55:25,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:28,912 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 11:55:28,912 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:28,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768701453] [2024-11-05 11:55:28,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [768701453] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:55:28,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:55:28,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 11:55:28,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171683849] [2024-11-05 11:55:28,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:28,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:55:28,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:28,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:55:28,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:55:28,916 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 11:55:29,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:29,442 INFO L93 Difference]: Finished difference Result 746 states and 1047 transitions. [2024-11-05 11:55:29,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:55:29,444 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 11:55:29,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:29,448 INFO L225 Difference]: With dead ends: 746 [2024-11-05 11:55:29,448 INFO L226 Difference]: Without dead ends: 378 [2024-11-05 11:55:29,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:55:29,452 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 0 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:29,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1561 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 11:55:29,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-05 11:55:29,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2024-11-05 11:55:29,478 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 11:55:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 528 transitions. [2024-11-05 11:55:29,483 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 528 transitions. Word has length 136 [2024-11-05 11:55:29,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:29,484 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 528 transitions. [2024-11-05 11:55:29,485 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 11:55:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 528 transitions. [2024-11-05 11:55:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-05 11:55:29,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:29,487 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 11:55:29,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 11:55:29,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:29,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:29,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:29,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1013816373, now seen corresponding path program 1 times [2024-11-05 11:55:29,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:29,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61371324] [2024-11-05 11:55:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:29,693 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:29,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:29,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:55:29,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:55:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:30,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 11:55:30,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:31,353 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 11:55:31,353 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:35,098 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 11:55:35,098 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:35,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61371324] [2024-11-05 11:55:35,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [61371324] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:55:35,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:55:35,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 11:55:35,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807923881] [2024-11-05 11:55:35,099 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:55:35,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 11:55:35,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:35,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 11:55:35,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:55:35,102 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 11:55:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:37,883 INFO L93 Difference]: Finished difference Result 757 states and 1065 transitions. [2024-11-05 11:55:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 11:55:37,884 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 11:55:37,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:37,888 INFO L225 Difference]: With dead ends: 757 [2024-11-05 11:55:37,888 INFO L226 Difference]: Without dead ends: 388 [2024-11-05 11:55:37,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-05 11:55:37,891 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 5 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.8s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:37,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3100 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-05 11:55:37,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-05 11:55:37,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2024-11-05 11:55:37,916 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 11:55:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 540 transitions. [2024-11-05 11:55:37,921 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 540 transitions. Word has length 142 [2024-11-05 11:55:37,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:37,921 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 540 transitions. [2024-11-05 11:55:37,922 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 11:55:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 540 transitions. [2024-11-05 11:55:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-05 11:55:37,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:37,924 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 11:55:37,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:55:38,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:38,125 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:38,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:38,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1356701615, now seen corresponding path program 2 times [2024-11-05 11:55:38,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:38,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621131389] [2024-11-05 11:55:38,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:38,127 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:38,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:38,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:55:38,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:55:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:38,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 11:55:38,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:40,872 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 11:55:40,872 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:46,769 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 11:55:46,769 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:46,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621131389] [2024-11-05 11:55:46,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [621131389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:55:46,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:55:46,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-05 11:55:46,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005602155] [2024-11-05 11:55:46,770 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:55:46,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-05 11:55:46,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:46,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-05 11:55:46,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-05 11:55:46,772 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 11:55:53,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:53,797 INFO L93 Difference]: Finished difference Result 776 states and 1089 transitions. [2024-11-05 11:55:53,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-05 11:55:53,798 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 11:55:53,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:53,802 INFO L225 Difference]: With dead ends: 776 [2024-11-05 11:55:53,802 INFO L226 Difference]: Without dead ends: 394 [2024-11-05 11:55:53,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-11-05 11:55:53,805 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 5 mSDsluCounter, 3096 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:53,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3619 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-05 11:55:53,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-05 11:55:53,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-11-05 11:55:53,829 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 11:55:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 547 transitions. [2024-11-05 11:55:53,835 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 547 transitions. Word has length 156 [2024-11-05 11:55:53,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:53,836 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 547 transitions. [2024-11-05 11:55:53,836 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 11:55:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 547 transitions. [2024-11-05 11:55:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-05 11:55:53,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:53,841 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 11:55:53,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-05 11:55:54,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:54,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:54,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:54,042 INFO L85 PathProgramCache]: Analyzing trace with hash 66933679, now seen corresponding path program 3 times [2024-11-05 11:55:54,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:54,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005167908] [2024-11-05 11:55:54,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:54,043 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:54,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:54,045 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:55:54,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:55:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:54,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 11:55:54,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:55,716 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 11:55:55,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:59,691 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 11:55:59,692 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:59,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005167908] [2024-11-05 11:55:59,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1005167908] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:55:59,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:55:59,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 11:55:59,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614937220] [2024-11-05 11:55:59,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:55:59,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:55:59,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:59,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:55:59,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:55:59,694 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 11:56:02,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:56:02,405 INFO L93 Difference]: Finished difference Result 778 states and 1079 transitions. [2024-11-05 11:56:02,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 11:56:02,406 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 11:56:02,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:56:02,410 INFO L225 Difference]: With dead ends: 778 [2024-11-05 11:56:02,410 INFO L226 Difference]: Without dead ends: 394 [2024-11-05 11:56:02,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-05 11:56:02,413 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 5 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:56:02,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2577 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-05 11:56:02,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-05 11:56:02,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-11-05 11:56:02,478 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 11:56:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 543 transitions. [2024-11-05 11:56:02,484 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 543 transitions. Word has length 172 [2024-11-05 11:56:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:56:02,484 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 543 transitions. [2024-11-05 11:56:02,485 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 11:56:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 543 transitions. [2024-11-05 11:56:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-05 11:56:02,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:56:02,488 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 11:56:02,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:56:02,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:02,689 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:56:02,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:56:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash -935024081, now seen corresponding path program 4 times [2024-11-05 11:56:02,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:56:02,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111614234] [2024-11-05 11:56:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:56:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:56:02,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:02,692 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:56:02,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:56:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:56:03,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:56:03,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:56:03,709 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 11:56:03,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:56:06,684 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 11:56:06,684 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:56:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111614234] [2024-11-05 11:56:06,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1111614234] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:56:06,685 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:56:06,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 11:56:06,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889427051] [2024-11-05 11:56:06,685 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:56:06,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:56:06,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:56:06,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:56:06,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:56:06,687 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 11:56:10,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:56:14,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:56:15,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:56:15,463 INFO L93 Difference]: Finished difference Result 757 states and 1047 transitions. [2024-11-05 11:56:15,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:56:15,464 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 11:56:15,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:56:15,467 INFO L225 Difference]: With dead ends: 757 [2024-11-05 11:56:15,468 INFO L226 Difference]: Without dead ends: 408 [2024-11-05 11:56:15,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:56:15,471 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, 8.7s IncrementalHoareTripleChecker+Time [2024-11-05 11:56:15,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2088 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2024-11-05 11:56:15,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-05 11:56:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 397. [2024-11-05 11:56:15,499 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 11:56:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 546 transitions. [2024-11-05 11:56:15,503 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 546 transitions. Word has length 176 [2024-11-05 11:56:15,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:56:15,505 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 546 transitions. [2024-11-05 11:56:15,505 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 11:56:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 546 transitions. [2024-11-05 11:56:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-05 11:56:15,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:56:15,509 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 11:56:15,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:56:15,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:15,710 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:56:15,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:56:15,710 INFO L85 PathProgramCache]: Analyzing trace with hash -877765779, now seen corresponding path program 1 times [2024-11-05 11:56:15,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:56:15,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912200821] [2024-11-05 11:56:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:56:15,711 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:56:15,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:15,713 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:56:15,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:56:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:56:16,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:56:16,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:56:23,926 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 11:56:23,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:56:28,131 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 11:56:28,132 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:56:28,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912200821] [2024-11-05 11:56:28,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [912200821] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:56:28,132 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:56:28,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 11:56:28,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039924915] [2024-11-05 11:56:28,133 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:56:28,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:56:28,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:56:28,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:56:28,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:56:28,134 INFO L87 Difference]: Start difference. First operand 397 states and 546 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-05 11:56:28,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:56:28,234 INFO L93 Difference]: Finished difference Result 749 states and 1038 transitions. [2024-11-05 11:56:28,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:56:28,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 176 [2024-11-05 11:56:28,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:56:28,241 INFO L225 Difference]: With dead ends: 749 [2024-11-05 11:56:28,242 INFO L226 Difference]: Without dead ends: 725 [2024-11-05 11:56:28,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:56:28,244 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 448 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:56:28,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1028 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:56:28,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-05 11:56:28,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2024-11-05 11:56:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 483 states have (on average 1.289855072463768) internal successors, (623), 491 states have internal predecessors, (623), 191 states have call successors, (191), 51 states have call predecessors, (191), 50 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-05 11:56:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1004 transitions. [2024-11-05 11:56:28,292 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1004 transitions. Word has length 176 [2024-11-05 11:56:28,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:56:28,292 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 1004 transitions. [2024-11-05 11:56:28,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-05 11:56:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1004 transitions. [2024-11-05 11:56:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-05 11:56:28,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:56:28,299 INFO L215 NwaCegarLoop]: trace histogram [40, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:56:28,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-05 11:56:28,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:28,500 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:56:28,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:56:28,501 INFO L85 PathProgramCache]: Analyzing trace with hash 825165707, now seen corresponding path program 1 times [2024-11-05 11:56:28,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:56:28,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069646394] [2024-11-05 11:56:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:56:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:56:28,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:28,504 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:56:28,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:56:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:56:29,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:56:29,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:56:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2024-11-05 11:56:29,630 INFO L311 TraceCheckSpWp]: Computing backward predicates...